Page 1 Druck ADTS 542/552/553/554F Air Data Test Set Instruction Manual www.gemeasurement.com GE Data Classification: Public...
Page 3: Preface
Copies of this manual are available in the following languages: French, German, Spanish, Por- tuguese, Chinese, Japanese, Italian and Polish. Hand terminal GUI can also be operated in the following languages: French, German, Spanish, Portuguese, Chinese, Japanese, Italian and Polish. Contact your local GE Sales office for more details.
Page 4 The Bluetooth® wireless technology word mark and logos are registered trademarks owned by Bluetooth® SIG, Inc. and any use of such marks by GE is under license. Other trademarks and trade names are those of their respective owners. For the list of GE approved service centres, go to: www.gemeasurement.com...
Page 5 Compliance Statements Note: You can view the compliance information stored on the ADTS Touch as follows: From the ADTS Touch Dashboard, select: 1. Tools 2. Bluetooth® 3. Select certification. FCC Warning Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1.
Page 6 ADTS Touch This device has been tested and found to comply with the limits for a class A digital device, pursuant to Part 15 of the FCC rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2.
Page 7 This device must accept any interference, including interference that may cause undesired operation of the device. • ADTS542F/ADTS552F/ADTS553F/ADTS554F: Contains IC ID: 5123A-BGTWT41 - patch antenna: 50 ohms, 6.662dBi gain • (For DK0429 variants only) ADTS542F: Contains IC ID: 5123A-BGTWT41 - dipole: 50 ohms, 2.3dBi gain •...
Page 8 This radio transmitter (12097A-ADTSTOUCH01) has been approved by Industry Canada to operate with the antenna types listed with the maximum permissible gain indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Page 9 To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that nec- essary for successful communication. This radio transmitter (12097A-ADTSTOUCH02) has been approved by Industry Canada to operate with the antenna types listed with the maximum permissible gain indicated.
Page 10 contient IC ID: 12097A-ADTSTOUCH02 MEXICO The operation of this equipment is subject to the following two conditions: (1) it is possible that this equipment or device may not cause harmful interference, and (2) this equipment or device must accept any interference, including interference that may cause undesired opera- tion.
Page 11: Abbreviations
Abbreviations The following abbreviations may be used in this manual, the abbreviations are the same in the singular and plural. Ampere Absolute a.c. Alternating current ADTS Air Data Test Set Aircraft Maintenance Manual Altitude Alt1 Altitude static channel 1 Alt2 Altitude static channel 2 ARINC Air Radio Incorporated...
Page 12 Hour High breaking capacity Mercury Hecto metre Hertz Indicated airspeed That is International Electrotechnical Commission Inch inHg Inches of mercury Kilogram Kilometre Knots Liquid crystal display Metre Milliampere Mach Speed ratio to the speed of sound Maximum mbar Millibar Minute or minimum Millimetre Miles per hour Millivolts...
Page 13 Pounds per square inch Personal computer Total pressure (Pitot) Pitot pressure channel 1 Pitot pressure channel 2 Differential pressure Pt1-Ps1 Local atmospheric pressure Barometric pressure at sea level Reference Return Goods Authorization (Druck procedure) Root mean square Rate of climb RS232 Serial communications protocol Rate...
Page 15: Glossary
GLOSSARY Adjust To bring to a more satisfactory state; to manipulate controls, levers, linkages, etc. to return equipment from an out-of-tolerance condition to an in-tolerance condition. Align To bring into line; to line up; to bring into precise adjustment, correct relative position or coincidence.
Page 16 Reconnect To rejoin or refasten that which has been separated. Refit Fit an item which has previously been removed. Remove To perform operations necessary to take an equipment unit out of the next larger assembly or system. To take off or eliminate. To take or move away.
Page 17: Conversion Chart
Conversion Chart Pressure UNITS FACTOR (hPa) Pressure UNITS FACTOR (hPa) mbar O @ 20°C 0.978903642 1000.0 O @ 20°C 97.8903642 0.01 0.0980665 Pa (N/m kg/m 980.665 kg/cm 10.0 torr 1.333223684 10000.0 1013.25 mmHg@ 0°C 1.333223874 68.94757293 cmHg@ 0°C 13.33223874 0.4788025898 lb/ft mHg@ 0°C 1333.223874...
Page 19: Table Of Contents
Table of Contents Preface ............................Abbreviations ..........................GLOSSARY ............................13 Conversion Chart ......................... 15 Chapter - 1 ............................. 19 INTRODUCTION............................20 ADTS542F ..............................22 ADTS552F ..............................26 ADTS553F ..............................28 ADTS554F ..............................30 Dual Hand Terminal ..........................36 Chapter - 2 ............................. 38 Packaging ..............................
Page 20 Routine Maintenance ..........................166 Software updates............................168 Chapter - 6 ............................. 172 Introduction..............................173 Standard serviceability test ........................175 ADTS leak check............................177 Fault codes and error messages ....................... 179 Chapter - 7 ............................. 195 Specification ..............................196...
Page 21: Chapter - 1
Chapter - 1 Introduction...
Page 22: Introduction
INTRODUCTION INTRODUCTION The GE family of Air Data Test Sets (ADTS) provide accurate air data to test two, three and four-channel systems. The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this user manual.
Page 23 INTRODUCTION...
Page 24: Adts542F
ADTS542F ADTS542F Figure 1- 1: ADTS542F General Arrangement Key to Figure 1-1: Pitot (Pt) pressure port Static (Ps) pressure port ADTS Touch docking connector Test set status indications: a: Power on and self test b: Battery pack status (if fitted) c: Bluetooth®...
Page 25 ADTS542F Key to Figure 1-1: ADTS Touch umbilical cable connector External functional earth/ground terminal Power On/Standby switch Power cable connector Fuses Test set status indications: Power on and self test: - Off (power Off) - Standby (Yellow) - Self test in progress (Green (flashing)) - Pass/Ready (Green) - Fault (Red) Battery pack status (if fitted):- For LED indications, see section 5 “Battery Care and...
Page 26 ADTS542F Test set status indications: Aircraft status: • When the ADTS is controlling the aircraft and it is “off ground” or after power on self test the LED will be Yellow • When the ADTS is controlling the aircraft to “going to ground”, the LED will flash yellow •...
Page 27 ADTS542F...
Page 28: Adts552F
ADTS552F ADTS552F The ADTS552F incorporates all the features of the ADTS542F but with an optional communications board, which is located below the cover (10). Figure 1 - 2: ADTS552F General Arrangement Cover for, optional, communications board...
Page 29 ADTS552F...
Page 30: Adts553F
ADTS553F ADTS553F The ADTS553F incorporates all the features of the ADTS552F but with an additional Static (Ps2) port (11), making it a three channel test set. Figure 1 - 3: ADTS553F General Arrangement Static (Ps2) port...
Page 31 ADTS553F...
Page 32: Adts554F
ADTS554F ADTS554F The ADTS554F incorporates all the features of the ADTS553F but with an additional Pitot (Pt2) port (12), making it a four channel test set. Figure 1 - 4: ADTS554F General Arrangement Pitot (Pt2) port...
Page 33 ADTS554F...
Page 34 ADTS T OUCH ADTS Touch The ADTS Touch is used to control all required functions. The ADTS Touch can be positioned (docked) on the ADTS or used as a hand held mobile unit via an umbilical cable or using Bluetooth® wireless tech- nology.
Page 35 ADTS T OUCH The status indicator icons show: Figure 1-6: Status Indicators Status indications (from left to right): Battery icon Battery charge level indication is only visible when a battery is fitted to the ADTS Touch Bluetooth® antenna icon Visible when the ADTS Touch is connected wirelessly, the CAN link icon is not then visible CAN link icon Visible when the ADTS Touch is connected using a wired connection,...
Page 36 ADTS T OUCH Help: Displays help topics related to the currently selected main menu item. Aircraft Status: displays the aircraft status screen which gives information about whether the aircraft is ramping, stable at set point, going to ground or actually at ground pressure. Options avail- able in this screen are: Go to Ground, Change rate of descent to ground and Hold (will allow a temporary pressure HOLD state on all channels during a controlled ramp to either set-point or ground).
Page 37 ADTS T OUCH...
Page 38: Dual Hand Terminal
ERMINAL Dual Hand Terminal The ADTS542, ADTS552, ADTS553 or ADTS554 utilizing DK0467 software can be operated with two hand terminals. DK0429 does not support this functionality (either ADTS TOUCH or ADTS TOUCH-ER units). Only one of the units (the ‘Master’) can control the ADTS. The second unit (the ‘Slave’) operates as a display when the Master is connected.
Page 39 ERMINAL Figure 1-8: ADTS Touch Slave...
Page 40: Chapter - 2
Chapter - 2 Installation...
Page 41: Packaging
ACKAGING Packaging On receipt of the ADTS check the contents of the packaging against the following lists: Standard ADTS5xxF ADTS Touch Mains cable K0554, Installation and Safety Guide. Options The following options are included, but not limited to : ADTS Touch batteries ADTS Touch extension cable Power supply adaptor and cables Threaded adaptors...
Page 42 ACKAGING...
Page 43: Packing For Storage Or Transportation
ACKING FOR TORAGE OR RANSPORTATION Packing for Storage or Transportation To store the ADTS or to return it for calibration or repair carry out the following procedures: The ADTS should be at zero/ambient pressure. Disconnect the hose assemblies and stow in the accessory bag.
Page 44 ACKING FOR TORAGE OR RANSPORTATION...
Page 45: Returned Goods Procedure
Should the ADTS require calibration or become unserviceable, it can be returned to the GE approved service department. Please contact the GE Service Department, either by 'phone, fax or E-mail, to obtain a Returned Goods Authorization (RGA) number or (Return Material Authorization [RMA] in USA), providing the following information: Product (i.e.
Page 46 ETURNED OODS ROCEDURE Power Supply Connection The unit must be connected to the correct electrical power supply as stated, adjacent to the power connector. A qualified technician (see page i) must carry out the following procedure. A power isolation device must be accessible at all times. This device can be considered as discon- necting the ADTS power cable or building wall isolation switch.
Page 47: Pneumatic Pressure Connections
NEUMATIC RESSURE ONNECTIONS Pneumatic Pressure Connections When not in use, blanking caps must be fitted to Ps/Pt ports. : When carrying out a leak test, a leak of the blanking cap affects the performance of the ADTS. NOTE The ADTS uses the following AN pneumatic connectors: •...
Page 48 NEUMATIC RESSURE ONNECTIONS...
Page 49: Positioning The Adts
ADTS OSITIONING THE Positioning the ADTS CAUTION • TO OPERATE, PLACE THE ADTS ON A HORIZONTAL SURFACE WITH THE FRONT PANEL UPPER- MOST, THIS ALLOWS THE WATER IN THE WATER FILTER TO VENT. WATER CAN CONTAMINATE THE ADTS MANIFOLD AND AFFECT ADTS PERFORMANCE. : In control mode, the water drain, located on the left-hand side of the unit near the cooling vent, NOTE produces a flow of air and some water.
Page 50 ADTS OSITIONING THE Figure 2-1: ADTS Positioning : Enter a positive correction factor when ADTS is below the aircraft reference. Enter a negative NOTE correction factor when ADTS is above the aircraft reference.
Page 51: Chapter - 3
Chapter - 3 Operation...
Page 52: Preparation
REPARATION Preparation WARNING • OBSERVE SAFETY PRECAUTIONS STATED IN LOCAL ORDERS AND THE AIRCRAFT OR EQUIP- MENT SERVICING PROCEDURES. CAUTION • IT IS THE RESPONSIBILITY OF THE USER TO MAKE SURE THAT THE PNEUMATIC CONTROL RANGE LIMITS ARE SET BELOW THE MAXIMUM OPERATING LIMITS OF THE EQUIPMENT UNDER TEST.
Page 53 REPARATION Inspect the pneumatic hoses for damage, ingress of dirt and moisture. Make sure the aircraft adapters are serviceable. Make sure the air vents do not become obstructed. Connect the required hoses to the ADTS that are necessary for the test procedures to be carried out.
Page 54: Power-Up Routine
Table 3-1: Test set status indications If the self test fails (red Fault indication), or for any other reason the test set is considered to be unser- viceable, contact GE and return the test set to the GE or GE approved service centre.
Page 55 OWER UP ROUTINE During the Power-up routine, the following screen is displayed showing a Progress bar at the bottom of the screen: Figure 3-1 : ADTS power-up self test screen The ADTS power-up self test screen is displayed for a short time followed by the Dashboard.
Page 56 OWER UP ROUTINE Wireless connection on units using DK0647 software Wireless connections can only be made on ADTS units which have the Wireless option previously enabled. See also, section Bluetooth®. Options that are currently enable are displayed on the Power up Self Test screen.
Page 57 OWER UP ROUTINE Wireless connection on units using DK0429 software To establish a wireless connection: Ensure that the ADTS Touch is not positioned on the docking connector of the ADTS, or connected to the ADTS using the umbilical cable connector. Switch the ADTS Touch ON.
Page 58: Dashboard
ASHBOARD Dashboard The Dashboard shows the top-level menu items, which are: - PITOT STATIC - EPR - SETTINGS - TOOLS - TEST SEQUENCE Figure 3-3: Dashboard...
Page 59 ASHBOARD Figure 3-4: Test Sequence Pitot static EPR see section Enginer Pressure Ration (EPR) Settings Tools Test sequence (swipe horizontally to view) (see section Test Sequence)
Page 60: Pitot Static
ITOT TATIC Pitot Static When Pitot Static is selected on the dashboard, the resulting screen will clearly display whether the ADTS is currently controlling the pressures at the Ps and Pt ports (CONTROL) or passively measuring the pressures at the Ps and Pt ports (MEASURE). The condition immediately after power up is always MEASURE, so as to protect any connected systems.
Page 61 ITOT TATIC Figure 3-6: Measure mode screen - Multi Channel You can switch the system between aero units and pressure units using the toggle control (4). Control mode When CONTROL mode is selected at icon (1), the ADTS pumps and pressure control functions are acti- vated but will not cause any change in the current pressures unless requested by the operator.
Page 62 ITOT TATIC This baseline Pitot Static control screen will typically be used to actively exercise the connected aircraft or system over the required Ps/Pt parameter test range. Figure 3-7: Control mode screen - Single Channel...
Page 63 ITOT TATIC Figure 3-8: Control mode screen - Multi Channel...
Page 64 ITOT TATIC ALT, CAS and Mach The following controls are available when “Aeronautical” units are selected: Figure 3-9: Numbered keypad screen - ALT (ALT1, ALT2 on ADTS553/554) Displays the currently selected altitude. To change the altitude value: Touch the “Aim” value (1) to highlight it. Use the numbered keypad to input the new value.
Page 65 ITOT TATIC Figure 3-10: Nudge Increment/Decrement factor selection - Select the new factor (7) from the list. The new factor is selected and the increment/decrement factor panel closes. - Touching the up/down controls (5/6) will increment/decrement the “Rate Aim” value by the new factor.
Page 66 ITOT TATIC Ps, Pt and Qc The following controls are available when “Pressure” units are selected: - Ps (Ps1, Ps2 on ADTS553/554) Displays the currently selected pressure. To change the pressure value: Touch the “Aim” value (1) to highlight it, a numbered keypad is displayed. Use the numbered keypad to input the new value.
Page 67 ITOT TATIC...
Page 68: Rate Timer Mode
IMER MODE Rate Timer mode To access this screen tap and drag the whole MEASURE or CONTROL screen across to the left The pre-defined time period has an associated wait period that allows pressures to settle before the timing starts. The wait period counts down to zero before the time period starts. Figure 3-11: Rate timer panel - Single Channel...
Page 69 IMER MODE Figure 3-12: Rate timer panel - Multi Channel The Rate Timer starts an internal timer for a pre-defined set of times. On the completion of the time period, the display shows the average rate of change over the time period.
Page 70 IMER MODE To set the WAIT period: On the Rate Timer panel, tap WAIT (1) to highlight it, the Set Time panel opens. Figure 3-13: Set time panel On the Set Time panel, select the required “hours”, “minutes” and “seconds” (2). Tap the “Tick”...
Page 71 IMER MODE To start and stop the Rate Timer: To start the timer, tap the “play” icon (6). The timer starts counting down, the elapsed time (percentage) indicator turns blue and the word “Wait” is displayed underneath the percentage indication. When the timer reaches 100%, it starts to count down again and the word “Test”...
Page 72: Settings
ETTINGS Settings From Dashboard >> Settings. The Settings screen opens showing the available controls. : The ADTS contains some PIN protected menus. A list of factory default PIN codes can be found NOTE in section PIN codes and PIN protection. The following table is a settings menu overview: Settings menu overview Intensity...
Page 73 ETTINGS Settings menu overview Regional settings Date - Date Format Time - Time format Language Screen rotation Bluetooth® Autoconnect * This menu and its submenus are only available when the On/Standby toggle switch is set to On. ** The configuration can only be changed when the On/Standby toggle switch is set to Standby. Options displayed will be dependent on product variant.
Page 74 ETTINGS - Aero units Shows the current selection. To change the aero units setting: Tap the aero units panel. Tap the required aero units radio button. The aero units radio button panel closes and the aero units panel shows the selected units. - Altitude correction Shows the current selection.
Page 75 ETTINGS - Airspeed mode Shows the current selection. To change the setting: Tap the airspeed mode panel. Tap the required units radio button: - CAS: selects the Calculated Airspeed mode and closes the airspeed mode panel. - TAS: opens the True Airspeed sub-panel containing two additional items: - True Airspeed Temperature: shows the currently selected temperature.
Page 76 ETTINGS Maximum ROC 20000 feet/min Maximum RtPs 1000 mbar/min Maximum RtQc 1000 mbar/min Alt correction ±100.0 feet ARINC * Extended Altitude (EALT) option will be made available through pin number. - Max Aero (ADTS542): Minimum altitude -3000 feet Maximum altitude 55000 feet Minimum CAS 0.0 knots...
Page 77 ETTINGS Minimum Qc -1000.00 mbar Maximum Qc 867.00 mbar Maximum Mach 3.000 Mach Maximum ROC 6000 feet/min Maximum RtPs 500.00 mbar/min Maximum RtQc 500.00 mbar/min Alt correction ±100.0 feet ARINC * Extended Altitude (EALT) option will be made available through pin number. - Fixed wing: Minimum altitude -1000 feet...
Page 78 ETTINGS Minimum CAS 0.0 knots Maximum CAS 250.0 knots Minimum Ps 230.00 mbar Maximum Ps 1051.00 mbar Minimum Qc 0.00 mbar Maximum Qc 110.00 mbar Maximum Mach 0.700 Mach Maximum ROC 3000 feet/min Maximum RtPs 109.85 mbar/min Maximum RtQc 109.85 mbar/min Alt correction ±100.0 feet ARINC...
Page 79 ETTINGS FL280 MAX (ADTS542F): Minimum altitude -3000 feet Maximum altitude 28000 feet Minimum CAS 0.0 knots Maximum CAS 450.0 knots Minimum Ps 329.32 mbar Maximum Ps 1400.00 mbar Minimum Qc -1000.00 mbar Maximum Qc 368.01 mbar Maximum Mach 1.094Mach Maximum ROC 6000 feet/min Maximum RtPs 500.00 mbar/min...
Page 80 ETTINGS Maximum RtQc 109.85 mbar/min Alt correction ±100.0 feet ARINC Select limits displays the current setting. To change the select limits setting: Tap the select limits panel. Tap the required select limits radio button. The select limits radio button panel closes and the select limits panel shows the new selection.
Page 81 ETTINGS If required, repeat this procedure for other parameters. Tap the Back/Return button to return to the ADTS Settings menu. Delete limits When selected, this function requires you to enter a PIN code. To delete limits: Tap Delete limits, a numbered keypad is displayed. Enter your PIN number and tap the “tick”...
Page 82 ETTINGS Regional settings Opens a sub-menu containing three items: - Date To change the date setting: Tap the date panel. The current setting is displayed. On the displayed calender, select the required “Day”, “Month” and “Year”. Tap the “Tick” icon, the calender closes and the new date is displayed in the date panel. Tapping the “Cross”...
Page 83 ETTINGS - Screen rotation Shows the current screen rotation (0 or 180). To change the screen rotation: Tap the screen rotation panel. Tap the required screen rotation radio button. The screen rotation radio button panel closes and the screen rotation panel shows the selected screen rotation. - Bluetooth®...
Page 84: Tools
OOLS Tools From Dashboard >> Tools to display the Tools screen. : The ADTS contains some PIN protected menus. A list of factory default PIN codes can be found NOTE in section PIN codes and PIN protection. The Tools screen opens showing the available controls. The following table is a tools menu overview: Tools menu overview Calibration (Calibrate sensors) Sensor...
Page 85 OOLS Save/Recall ADTS settings Save ADTS settings Recall ADTS settings Delete ADTS settings Copy all files from USB Copy all files to USB Restore last ADTS settings Set ADTS touch defaults Set ADTS defaults default channel configuration ADTS Manuals Safety Manual User Manual Customer documents Calibration (Calibrate sensors)
Page 86 OOLS ADTS Touch software upgrade • Application. • Operating system. ADTS software upgrade • Main code. • Boot code. For a detailed description of the software download and installation procedures see section Software Updates. ® Bluetooth Opens a sub-menu containing three items. Functions related to the first two items are only available when the ADTS Touch is not connected to the mains supply, see also section Bluetooth®: - New scan for devices This function initiates a scan of the local area for other ADTS‘s and ADTS Touch‘s, which will then be...
Page 87 OOLS - Pumps Shows related information about the following pumps: - Source pump: usage, shown in running hours and time to next service in hours. - Vacuum pump: usage, shown in running hours and time to next service in hours. - Communications Shows the communication status between the ADTS Touch and the ADTS: Figure 3-16: Communications main screen...
Page 88 OOLS - Calibration history: shows the “Calibration history” for: - Ps: Sensor Ps history. - Pt: Sensor Pt history. - Software history: shows the “Software history” for: - ADTS Touch main code: shows the software versions and installation dates. - ADTS Touch OS build: shows the OS versions and installation dates. - ADTS Touch boot ROM: shows the boot ROM versions and installation dates.
Page 89 OOLS Touching the “Cross” icon, cancels the action and closes the panel. - Recall ADTS settings Displays a list of previously saved settings: From the list, touch the required settings ID. Settings specific to that ID are restored. - Delete ADTS Touch settings Displays a list of previously saved settings: From the list, touch the required settings ID.
Page 90 OOLS ADTS manuals Touching “ADTS Manuals” displays a list of available ADTS manuals installed on your ADTS. Touching the screen on one of the documents results in the display of that document. When a document is displayed, touching the “cross” icon, in the top right corner, closes the document window. Figure 3-17: ADTS manuals screen Customer documents Touching “Customer documents”...
Page 91 OOLS...
Page 92: Go To Ground
O TO GROUND Go to ground The Aircraft Status icon controls all the active channels on the instrument to ground status. The channels on the ADTS553F and ADTS554F, a multichannel system may be at different altitudes, they will take different times to get to ground status. This is represented on the hand terminal display by two aircraft, which displays the status of the Ps1, Pt1 and Ps2, Pt2 channels whilst they are transitioning to ground status.
Page 93 O TO GROUND Figure 3-19: Go to ground main screen - Multiple Channel To change the “Rate: - Tap the “Rate” window (1), the Set Rate panel is displayed.
Page 94 O TO GROUND Figure 3-20: Set rate panel - Use the numbered keypad to input the new go to ground rate. - Tap the “tick” icon on the keypad (2). The keypad closes and the new rate is displayed. - Tapping the “Cross” icon on the keypad (3), cancels the action and closes the Set Rate panel. Touch the green “tick”...
Page 95 O TO GROUND Figure 3-21: Start go to ground action - Multiple Channel The aircraft colour changes to orange while it is being controlled to ground pressure. : Once the green “tick” has been ticked, the Go to Ground process cannot be stopped. The NOTE “cross”...
Page 96 O TO GROUND Figure 3-22: Aircraft Going to ground - Single Channel...
Page 97 O TO GROUND Figure 3-23: Aircraft Going to Ground - Multiple Channel To request all channels to temporarily hold at the current controlled pressure, touch the green “hand” icon (5). The controller status bar will change from CONTROL to HOLD and the “Hand” will turn orange.
Page 98 O TO GROUND Figure 3-24: Hold status during go to ground ramp (single channel)
Page 99 O TO GROUND Figure 3-25: Aircraft at ground - Single Channel When at ground pressure, the aircraft colour changes to green. Tap the “cross” icon (6) to close the Go to ground screen.
Page 100 O TO GROUND Figure 3-26:Go To Ground Complete The display shows “AT GROUND”. The ADTS will remain in this aircraft safe condition for as long as required so that Ps or Pt port pipe connections may be added or removed without creating pressure transients to connected systems.
Page 101 O TO GROUND...
Page 102: Manual Venting Of The Aircraft Pitot And Static Systems
ANUAL ENTING OF THE IRCRAFT ITOT AND TATIC YSTEMS Manual Venting of the Aircraft Pitot and Static Systems ADTS status on power failure On removal of power, the main output valve linking external ports Pt and Ps to the internal pressure controllers will automatically close.
Page 103 ANUAL ENTING OF THE IRCRAFT ITOT AND TATIC YSTEMS Figure 3-27: Manual let-down ADTS542F and ADTS552F Number of 1st Valve 2nd Valve 3rd Valve 4th Valve Channels Application open open open open Pitot & Static Pt to Ps (A) Ps to Atm (B)
Page 104 ANUAL ENTING OF THE IRCRAFT ITOT AND TATIC YSTEMS Figure 3-28: Manual let-down ADTS553 Number of 1st Valve 2nd Valve 3rd Valve 4th Valve Channels Application open open open open Smart Probe Ps2 to Ps1 (A) Pt1 to Ps1 (B) Ps1 to Atm Angle of Attack...
Page 105 ANUAL ENTING OF THE IRCRAFT ITOT AND TATIC YSTEMS Figure 3-29: Manual let-down ADTS554F Number of 1st Valve 2nd Valve 3rd Valve 4th Valve Channels Application open open open open Pitot & Static Pt2 to Ps2 (B) Pt1 to Ps1 (C) Ps2 to Ps1 (A) Ps1 to Atm Pilot &...
Page 106: Multi-Channel Advanced Features
ULTI HANNEL DVANCED EATURES Multi-Channel Advanced Features Mutli-Channel Operation The ADTS553F can function as an ADTS552F by disabling the second static channel. The four channel ADTS554F can function as a three channel ADTS553F by disabling the second pitot channel. It can also function as an ADTS552F by disabling the second pitot channel. Figure 3-30: Settings menu to disable static channel Independent Pilot / Co-pilot Testing The ADTS554F can accomplish simultaneous independent control of pilot and co-pilot Ps and Pt and...
Page 107 ULTI HANNEL DVANCED EATURES Aims for the 3 channels can be entered manually in the normal method but it is recommended that the test script is used to reduce operator entry error. Before using the test set the limits must be correctly set for the aircraft under test including the Ps1 Ps2 differential limit.
Page 108: Example Basic Aircraft Test Operation Using The Adts542F
ADTS542F XAMPLE ASIC IRCRAFT PERATION USING THE Example Basic Aircraft Test Operation using the ADTS542F Preparation for Testing If unfamiliar with the features and functions of the ADTS5XXF then it is important for operators to read and understand the following documents before use: •...
Page 109 ADTS542F XAMPLE ASIC IRCRAFT PERATION USING THE We do not recommend the use of improvised connections since this can lead to excessive leakage and potential damage to the aircraft avionics systems. When all the required pipework has been connected, the ADTS should be turned on as soon as possible to allow a few minutes for it to reach a stable operating temperature.
Page 110 ADTS542F XAMPLE ASIC IRCRAFT PERATION USING THE Leak Checks Since the leak status of the aircraft is initially likely to be unknown, it is recommended to perform a preliminary assessment at low altitude and airspeed stimulus so as to minimise risk to the aircraft instruments, should a high rate leak be present.
Page 111 ADTS542F XAMPLE ASIC IRCRAFT PERATION USING THE Altitude Ps Pressure Airspeed Pt Pressure Qc Diff. Test Point (feet) (mbar Abs.) (Knots) (mbar Abs.) Press. (mbar) 35,000 238.42 280.0 371.30 132.88 *41,000 178.74 270.0 301.91 123.18 GROUND AMBIENT AMBIENT 0.00 *= RVSM boundaries By using the ADTS Touch controls it is possible to present the Ps and Pt channel data for each of the 6 test condition rows in all of the formats shown in the table.
Page 112: Engine Pressure Ratio (Epr)
ATIO Engine Pressure Ratio (EPR) Engine Pressure Ratio (EPR), the ratio of Pout/Pin is sold as a software product option. Contact GE for more details. The ADTS may be used to check EPR sensors and indicators. Use Ps (static) for INLET pressure and Pt (Pitot) for OUTLET pressure.
Page 113 (EPR) NGINE RESSURE ATIO Figure 3-31: EPR Control Screen (Method1) Select control mode. Touch the “Aim” value (2). A numbered keypad opens. Enter the desired “Aim” value and touch the “tick” icon. The numbered keypad closes and the previously entered value appears in the “IN” display. Touch the “Aim”...
Page 114 (EPR) NGINE RESSURE ATIO Figure 3- 32: EPR Control Screen (Method2) Select control mode. Touch the “Aim” value (2). A numbered keypad opens. Enter the desired “Aim” value and touch the “tick” icon. The numbered keypad closes and the previously entered value appears in the “IN” display. Touch the “Aim”...
Page 115 (EPR) NGINE RESSURE ATIO Max Outlet 2000 mbar Min (Ratio) Max (Ratio) 10.0 Min Inlet Rate Max Inlet Rate 1000 mbar/min Min EPR Rate Max EPR rate 60/min Min Outlet rate Max Outlet rate 1000...
Page 116: Test Sequence
EST SEQUENCE Test sequence The test sequence mode allows you to run tests, using the ADTS, based on previously defined and stored test sequence data. On the Dashboard, swipe across to select TEST SEQUENCE. The “Test sequence” screen appears showing the last used test sequence title. Figure 3-33: Test Sequence screen 1...
Page 117 EST SEQUENCE Figure 3-34: Test Sequence screen 2 If the ADTS is in Standby mode then only the Test Sequence itself can be viewed.
Page 118 EST SEQUENCE Figure 3-35: Test Sequence in Standby mode...
Page 119 EST SEQUENCE Figure 3-36: Load test sequence button It is also possible to import, export and delete the test sequence files by selecting the load test sequence button in the footer (highlighted).
Page 120 EST SEQUENCE Figure 3-37: Select test sequence Press SELECT FILE to select the test sequence to load.
Page 121 EST SEQUENCE Figure 3-38: Select test sequence file. Select the relevant test script to be loaded.
Page 122 EST SEQUENCE Figure 3-39:IMPORT FILES If the ADTS TOUCH contains no test sequences then they can be imported. Select IMPORT FILES to import test sequences from a USB device. The test sequence must be in a folder named TEST SEQUENCES on the root of the USB device.
Page 123 EST SEQUENCE Figure 3-40: Import files error message The error message in Figure 3-40 will be displayed if no test sequence files are located on the USB device.
Page 124 EST SEQUENCE Figure 3-41: Delete files select DELETE FILES if it is necessary to delete a particular test sequence. Select the desired test sequence to be erased. One or more test sequences can be deleted simulta- neously if required. Once the necessary files have been selected then pressing the trashcan icon will erase the relevant test sequences.
Page 125 EST SEQUENCE Figure 3-42: Delete files 2 10) Once the desired test sequence has been loaded a screen similar to the following image will be displayed. The line highlighted in blue indicates the immediate test to be performed by the ADTS. If the ADTS is in standby mode then no action can be taken, only viewing the test sequence is possible.
Page 126 EST SEQUENCE Figure 3-43: Test sequence view 11) By using the highlighted up/down arrows the user can cycle between different test sequence pres- sure set points.
Page 127 EST SEQUENCE Figure 3-44: Cycling between set points...
Page 128 EST SEQUENCE Figure 3-44: Test sequence Sub-tables 12) It is possible to have separate sub-tables within the test sequence menu, for example (leak test, air data test). Select the sub-table button (highlighted) to select a specific sub-table within the test sequence itself.
Page 129 EST SEQUENCE Figure 3-45: Test sequence sub-tables 2 13) After selecting the sub-table button the ADTS TOUCH shows the available sub-tables that can be selected.
Page 130 EST SEQUENCE Figure 3-46: Test sequence sub-tables 3 14) Once selected the new sub-table is displayed.
Page 131 EST SEQUENCE Figure 3-47: Test sequence Measure mode 15) With the ADTS in run mode then the test sequence can be utilised. In MEASURE mode the pres- sures, rates of change and measurement units are displayed for each channel.
Page 132 EST SEQUENCE Figure 3-48: Activating Control mode 16) In order to enter control mode and allow the ADTS to control to the selected pressure set points the Measure/Control toggle button (highlighted) should be pressed. The set points highlighted in blue at that time will become the active set points for the ADTS.
Page 133 EST SEQUENCE Figure 3-49:Moving between points 17) Scrolling up and down the table via the highlighted up/down buttons transmits the new pressure set points to the ADTS controller and the user will see the pressure on each of the channels begin to ramp to the new set point.
Page 134 EST SEQUENCE Figure 3-50: Test sequence screen based on Data Field input Test table title, e.g. leak Test, which may be used as a title for a page of test aims TP max allowed leak rate FAR25.1325 Test Procedure (T.P.) step reference (1..4) End of Test 10.7100 (left most instance) 10.7100 (right most instance)
Page 135 EST SEQUENCE Figure 3-51: Test Sequence Data Fields...
Page 136 EST SEQUENCE Saving Finished Test Sequences as CSV Format When the test sequence data sheet has been completed, click “File”, “Save As”. The following screen is displayed: Figure 3-52: Saving the test sequence file Select the file folder destination in the explorer window. Give the file an appropriate “File name”...
Page 137 EST SEQUENCE Either, copy and paste the CSV file from the PC file explorer, or drag-and-drop the CSV file from the PC file explorer into the already created “TestSequences” folder of the ADTS Touch.
Page 138: Pt Only Or Ps Only Control Modes
NLY OR ONTROL MODES Pt Only or Ps Only Control modes This mode can be used as an alternative to test airspeed indicators (ASI) using just the ADTS Pt or Ps port connected to the ASI. An altitude correction may need entering into the ADTS if there is a height difference and environmental draughts can cause airspeed errors.
Page 139 NLY OR ONTROL MODES Figure 3-55: Pt Only control mode Figure 3-55 shows that the Ps channel is in Measure mode and the Pt channel is in Control mode, as shown by the indication (2). 14) On the ADTS, open the Ps port cap to atmosphere. 15) Connect the Pt port to the aircraft Pitot system.
Page 140: Bluetooth
An up-to-date list of countries that the ADTS with Bluetooth® wireless technology is licensed to be used in is available upon the request from GE. Bluetooth® operations is normally enabled at point of manufacture, but can also be enabled after sale (product option code ASTOUCH-36).
Page 141 ® LUETOOTH Figure 3-56: Bluetooth® Reliable Coverage Area Optimum pairing procedure The following procedure is used to “Pair” the base unit and ADTS Touch: Place the ADTS Touch on (but not docked) or close to the base unit. Power cycle the base unit and ADTS Touch. On the ADTS Touch, select TOOLS.
Page 142 ® LUETOOTH Select NEW SCAN FOR DEVICES. The message Please wait scanning for devices is displayed. : Must be done within five minutes of power-up on units using DK0467 software. NOTE A list of available devices is displayed showing the software version and serial numbers of the devices.
Page 143 ® LUETOOTH...
Page 144: Adts Touch-Er (Extended Range) Bluetooth
ADTS TOUCH-ER (E ® XTENDED ANGE LUETOOTH ADTS TOUCH-ER (Extended Range) Bluetooth® On large aircraft, particularly if situated out in the open away from buildings or other reflective surfaces, Bluetooth® link performance can be impaired. The ADTS TOUCH-ER has been developed for these instances.
Page 145 ADTS TOUCH-ER (E ® XTENDED ANGE LUETOOTH WARNING • AT LEAST 20cm OF SEPARATION DISTANCE BETWEEN THE TOUCH-ER ANTENNA AND THE US- ER’S BODY MUST BE MAINTAINED AT ALL TIMES WHEN BEING USED WITH THE ANTENNA EX- TENSION KIT. ENSURE ANTENNA SUCTION CUP IS ATTACHED TO THE COCKPIT WINDOW BEFORE CONNECTING EXTENSION KIT TO THE TOUCH-ER TO PREVENT THE 20cm SEPARATION FROM BEING INFRINGED UPON.
Page 146 ADTS TOUCH-ER (E ® XTENDED ANGE LUETOOTH Figure 3-58: Bluetooth® Antenna Extension Kit In general terms, the Bluetooth® performance with the different options can be described as follows, although this is very dependant upon aircraft type, and its immediate environment (in terms of RF reflecting surfaces).
Page 147 ADTS TOUCH-ER (E ® XTENDED ANGE LUETOOTH Unit Antenna Bluetooth® performance ADTS TOUCH-ER External Better ADTS TOUCH-ER External (fixed to Cockpit Best Window : When using the antenna extension kit, the antenna should be placed on the cockpit window on NOTE the same side of the aircraft as the ADTS controller unit.
Page 148: Chapter - 4
Chapter - 4 Calibration...
Page 149: Introduction
NTRODUCTION Introduction For the system to remain accurate, a calibration check should be carried out at regular intervals. The recommended calibration period is 12 months. If the accuracy of the system is not within the specifi- cation, carry out a calibration adjustment.
Page 150 NTRODUCTION...
Page 151: Pin Codes And Pin Protection
CODES AND PROTECTION PIN codes and PIN protection The ADTS contains some PIN protected menus. The following table lists the factory set default PIN numbers: Settings ADTS settings Edit limits 0268 Create new limits 0268 Delete limits 0268 Change supervisor PIN 0268 Tools Calibration (Calibrate sensors)
Page 152 CODES AND PROTECTION...
Page 153: Calibration Process
ALIBRATION PROCESS Calibration process The calibration process is PIN protected. This chapter describes the Ps and Pt sensor calibration. The Tools, Calibration Sensor menu contains the calibration adjustment as part of the function Calibra- tion check. : Calibration checks must be performed within the calibration check menu because the main NOTE Ps/Pt measure display screen Pt reading includes an “Auto Zero”...
Page 154 ALIBRATION PROCESS Accuracy specifications(k = 2, 95% uncertainty)Include8s: NL, H and R over the ADTS operating temperature range and calibration stability over 18 months* and calibration equipment uncertainty stated in Table ADTS552/553/554F Test method Pneumatic pressure Ps Range: Compared against calibration 72 mbar to 1130 mbar standard absolute (EALT option 57...
Page 155 ALIBRATION PROCESS Suggested two-point calibration adjustment points Calibration points are nominal pressures to allow for slight differences due to primary standard weights and actual corrected pressure calculations. - Ps: two point cal points = 1st point is 1128mbar (FS) followed by 92mbar (suggest to be done in this order).
Page 156 ALIBRATION PROCESS...
Page 157: Calibration Description
ALIBRATION ESCRIPTION Calibration Description The date of calibration adjustment is logged and stored during this procedure. It is important that the ADTS Touch clock date is checked before starting a calibration adjustment or an incorrect date may be recorded. Instructions for checking and setting the time and date can be found in section Settings. “As found”...
Page 158 ALIBRATION ESCRIPTION Calibration adjustment The procedure applies known pressures to the ADTS and then entering the exact applied pressure using the ADTS Touch. After all calibration points have been entered, the ADTS automatically calcu- lates the necessary offset (zero) and slope (span) corrections. Select Ps or Pt.
Page 159: Completion Of Sensor Calibration
OMPLETION OF SENSOR CALIBRATION Completion of sensor calibration After completion of all calibration adjustment procedures, carry out the following: Make sure the calibration standard and the ADTS are at atmospheric pressure. Disconnect the calibration standard from the ADTS. If there is no further calibration or testing required, exit menus, select standby or switch off the ADTS.
Page 160 OMPLETION OF SENSOR CALIBRATION...
Page 161: Chapter - 5
Chapter - 5 Maintenance...
Page 162: Introduction
NTRODUCTION Introduction This section details the before-use tasks and the weekly inspection to be carried out by the operator. The maintenance chart shows the maintenance tasks, the periodicity of each task and a code refer- enced to the tasks detailed in Table 5.1. Task Code Period...
Page 163 NTRODUCTION...
Page 164: Battery Care And Maintenance
ATTERY CARE AND MAINTENANCE Battery care and maintenance ADTS Touch battery pack The battery unit contains a Lithium Ion battery which requires no user maintenance. Prolonged exposure to temperature extremes may significantly reduce battery lifetime. For maximum lifetime, avoid prolonged periods where the battery is exposed to temperatures outside the range -30°C to +45°C.
Page 165 ATTERY CARE AND MAINTENANCE...
Page 166: Maintenance Tasks
AINTENANCE ASKS Maintenance Tasks Code Task Check that all the equipment is present, record any deficiencies. Visually inspect the exterior of the ADTS and its associated equipment for obvious signs of damage, dirt and the ingress of moisture. If necessary, use mild liquid detergent and a lint-free cloth to clean the external surfaces, see the “Safety and Installation”...
Page 167 AINTENANCE ASKS...
Page 168: Routine Maintenance
OUTINE AINTENANCE Routine Maintenance Absolute cleanliness of the work area, tools and equipment are essential. Replacing the output connector o-ring After inspection as detailed in maintenance task B, carry out the following if the o-ring is worn or damaged: Figure 5-1: Replacing the o-ring Carefully remove the o-ring from the small groove at the top of the connector.
Page 169 OUTINE AINTENANCE Replacing a fuse Disconnect the electrical power supply. Unscrew the fuse holder cap and remove the fuse. Only fit a new fuse of the correct type and rating into the fuse holder cap. Secure the fuse holder in the front panel.
Page 170: Software Updates
OFTWARE UPDATES Software updates When software updates are available, they can be downloaded from the GE website to a USB memory stick and used to update the applications on the ADTS and ADTS Touch. Context sensitive help pages are updated with software version increments. ADTS (PDF) manuals are updated without prompt when a newer version of the manual is available via the software update procedure.
Page 171 OFTWARE UPDATES Figure 5-2: Software update folders 13) Copy these five folders to the root directory of the USB memory stick ready for transfer to the ADTS Touch. 14) Once the files have been downloaded to the USB memory stick, safely remove the USB memory stick from the computer.
Page 172 Selecting “No” closes the dialog without making any changes. Downloading ADTS manuals Go to www.gemeasurement.com. The “GE Measurement & Control” page is displayed. On the top level menu bar, click Resources. Menu items under that header are shown. Click Download Center. The “Download Center” page is displayed showing the search panels.
Page 173 OFTWARE UPDATES A list of available downloads is displayed containing all available software updates, user manuals and data sheets. Select the appropriate manual from the list. The file is displayed as a PDF with a set of function buttons in the top right corner. Click the Download button.
Page 174: Chapter - 6
Chapter - 6 Testing and Fault Finding...
Page 175: Introduction
Limited testing and fault finding can be carried out by the operator. Units can be returned to the nearest GE (www.gemeasurement.com) or approved service centre for fault finding and rectification. At power-up, the ADTS indicates if there is a fault by flashing an error code and/or displaying a message.
Page 176 NTRODUCTION...
Page 177: Standard Serviceability Test
TANDARD SERVICEABILITY TEST Standard serviceability test The following procedure shows if the ADTS is serviceable and checks functions and facilities: Connect power to the unit. Make sure the blanking caps are fitted to the front panel outputs. Set the ON/Standby switch to ON. Check that the power indicator is on and flashing green.
Page 178 TANDARD SERVICEABILITY TEST...
Page 179: Adts Leak Check
ADTS LEAK CHECK ADTS leak check Before carrying out a leak check, allow at least 15 minutes for the ADTS to warm-up. Set-up From Dashboard >> Settings. In the Settings >> ADTS Settings. Select ADTS LIMITS >> then SELECT LIMITS" >> select MAX AERO. Return to ADTS Settings.
Page 180 14) The display shows the timed rates with a “T” after each value. Check that the Ps, and Qc rates are less than or equal to ±0.6 mbar/min. If the rates are greater than this value, allow further thermal stabilization time and re-test. If repeated failures occur, return the unit to GE or a GE authorised repair depot.
Page 181: Fault Codes And Error Messages
If the display shows an error message, the unit should be switched off and then on again. If the display still shows an error message after switching on again. the unit should be returned to GE or a GE autho- rised repair depot.
Page 182 AULT CODES AND ERROR MESSAGES...
Page 183 RROR ODES Error Codes Error Number Description Boot database queue has failed Memory Allocation for Bootloader task has failed Memory Allocation for Bootloader environment has failed Bootloader task registration has failed Failed to warm up Ps sensor failed or disconnected Autoleak recovery activated Bias Channel Pressure Ps Failed Bias Channel Pressure Pt Failed...
Page 184 RROR ODES Error Number Description LOG out of range Measured NULL Controller Pool Control Memory Invalid Next State Test set must be at ground Pressure Leak in Ps. Leak rate = Pressure Leak in Pt. Leak rate = Invalid Ps Demand Ps pressure not settling Ps Aim Overshoot Ps aim value unobtainable...
Page 185 RROR ODES Error Number Description Valve Bias Select Fail Valve Bias Values Qc Negative so Clamped to Zero Current pressure limits exceeded Database Change Failed Database Clear Failed Database Copy Database Enter Failed Database Entered Failed Database Memory Fail Database Queue Failed Database Read Options Failed Database Read Failed Database Read Int Failed...
Page 186 RROR ODES Error Number Description ALTERA Event ALTERA HISR Failed ALTERA LISR Failed ALTERA is not present or not responding Application code FLASH is not blank BIT Clear Byte BIT Clear Word BIT Get Byte BIT get Word BIT Set Byte BIT Set Word BOOT FLASH is not blank Buzzer Timer Fail...
Page 187 RROR ODES Error Number Description CAN Task task Fail Data FLASH is not blank Device Error Invalid Bitmap Invalid Blank Invalid Character Display Coord Invalid Invalid Font Invalid Line Invalid Page Invalid Point Graphics RAM (LSB) has failed Graphics RAM (MSB) has failed Graphics RAM (Both devices) have failed Eeprom Readback not matched write Invalid Text...
Page 188 RROR ODES Error Number Description Keypad Timer Failed Device Length Ps sensor failed Pt sensor failed Qc sensor failed PDCR Interpolation Fail Invalid PDCR Sensor PDCR I2C interface fault PDCR pic not present, not programmed and not responding PDCR not connected PDCR common mode voltage 1 out of range PDCR common mode voltage 2 out of range Unsupported PDCR Sensor...
Page 189 RROR ODES Error Number Description ALTERA count = 0, indicating RPT not connected or failed ALTERA Not complete, indicating RPT input frequency too low ALTERA overflowed, indicating RPT input frequency too high RPT count is out of range at 1000mB Invalid RTC Data RTC Null Pointer Real time clock is not incrementing...
Page 190 RROR ODES Error Number Description Event Overflow Periodic Control Periodic Reset Periodic Object ResData Handler Restext Direct Restext Display Restext Format Restext Handlers Restext Paint Restext Select Restext object Restext Text Size Screen Screen Overflow Screen has failed to initialise Screen Failure Invalid base screen Screen Stack Default Handler...
Page 191 RROR ODES Error Number Description Calibration data failed Cannot enter EPR in Aero Units Invalid stored end user Invalid end user Invalid end user switch Changed Aim to Current Limit Limits Overlap Limits Saved Fan 1 Failed Fan 2 Failed LDK Task Failed Read only Limits Hourscreen timer failed...
Page 192 RROR ODES Error Number Description Vacuum pump processor has failed Vacuum pump lead is disconnected Vacuum pump transistor is faulty or drive inhibited Vacuum pump has stalled Pressure pump processor has failed Pressure pump lead is disconnected Pressure pump transistor is faulty or drive inhibited Pressure pump has stalled Watchdog Interrupt handler has failed to initialise Hand terminal timer handler has failed to initialise...
Page 193 RROR ODES Error Number Description Valve constant b3 is out of range Valve constant Vb3 is out of range Valve constant Vl3 is out of range Valve constant Fl3 is out of range Valve constant G3 is out of range Valve constant Fmax3 is out of range Valve constant a4 is out of range Valve constant b4 is out of range...
Page 194 RROR ODES Error Number Description Pt output valve driver fault Ps output valve disconnected Ps output valve driver fault Hand terminal short circuit Reserved Cannot connect Hand Term while safe at ground for this version of ADTS505 RtCAS is fixed and cannot be altered Calibration date not entered.
Page 195 RROR ODES Error Number Description PT control sensor diode ADC acquisition error PT control sensor frequency acquisition error PT control sensor EEPROM write error PS control sensor checksum error PS control sensor diode ADC acquisition error PS control sensor frequency acquisition error PS control sensor EEPROM write error LED IO expander initialisation error Valve IO expander initialisation error...
Page 196 RROR ODES...
Page 197: Chapter - 7
Chapter - 7 Specification...
Page 198: Specification
PECIFICATION Specification For the most up to date equipment specification, refer to the current data sheet, as follows. • ADTS542F, 920-648x • ADTS552/553/554F, 920-659x In addition to the information contained in the latest data sheet, note the following: ADTS542F - Above 9,144 m (30,000 ft) the rate of climb (ROC/Rt Ps/Pt) into a 3L total volume (Ps 2L + Pt 1L) performance is limited by pump capability (that may vary higher or lower depending on pump running hours, equipment under test volume, ambient temperature and barometric pressure of the day).
Page 199 PECIFICATION...
Page 201 © 2014 General Electric Company – All Rights Reserved. Specifications are subject to change without notice. GE is a registered trademark of General Electric Company. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not affiliated with GE.

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