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56-101-01178 Revision K 

 

Page | 77  

APPENDIX F: CABIN PRESSURE MODE 

 
The following appendix details the configuration and usage of the unit when setup to perform 
cabin pressure testing. 
 
It  should  be  noted  that  this  test  is  not  commonly  performed  on  aircraft.  Therefore,  the  Cabin 
Pressure testing  feature  is  disabled  in the  default  configuration  of  the  Test  Set (as  shipped  from 
Barfield). 
 
Section  1  below  describes  the  process  of  enabling  the  Cabin  Pressure  function  while  Section  2 
describes the actual usage of the Cabin Pressure Mode.

 

 

1.  SECTION 1 

A.  Enabling Cabin Pressure Mode  

1. 

From the Main Menu, touch “Page 2”. The screen below appears with four options (see 

Figure F.1).  

 

 

Figure F.1  

Main Menu Screen (Page 2)

 

 

2. 

Touch “Setup 2”. A numbered keypad is displayed (see Figure F.2). 

 

 

Figure F.2  

Numbered Keypad Screen

 

Содержание 1811NG

Страница 1: ...pyright 2020 Barfield Inc All Rights Reserved 1811NG Pitot Static Test Set USER INSTRUCTION MANUAL M N 1811NG P N 101 01178 Doc P N 56 101 01178 Revision K September 2 2020 ___________________________...

Страница 2: ...information contained herein is the sole property of Barfield Inc No intellectual property rights are granted by the delivery of this document or the disclosure of its content This entire document is...

Страница 3: ...tice until required conditions are understood and fully complied with WARNINGS WARNING Do not use this equipment when it is not in its normal condition WARNING When testing with this equipment follow...

Страница 4: ...KING AND SYMBOLS This instrument meets the relevant European safety directives The instrument carries the CE mark Wi Fi disabled for EMC SYMBOLS ON THE INSTRUMENT Warning Read and understand operator...

Страница 5: ...user of this equipment to be able to obtain the service covered by the warranty Visit the company website http barfieldinc com for publication updates Please send the Registration Card to BARFIELD IN...

Страница 6: ...to obtain the list of approved repair facilities worldwide ensuring that this equipment will be serviced using proper procedures and certified instruments BARFIELD PRODUCT SUPPORT DIVISION Telephone 3...

Страница 7: ...November 7 2016 Corrected typo on cover page 2015 changed to 2016 Updated with software six month note reminder H 260 01200 March 15 2017 Page reformatted Note pertaining to the custom limits deletio...

Страница 8: ...ATION 3 5 SOFTWARE UPDATE 3 6 TEST SET EQUIVALENT 3 CHAPTER 1 GENERAL 5 1 INTENDED USE 5 2 SPECIFICATIONS 5 3 INSTRUCTIONS FOR USE 8 4 TECHNICAL ASSISTANCE 9 CHAPTER 2 RATINGS 10 1 SUPPLY VOLTAGES 10...

Страница 9: ...STORAGE 60 1 RECEIVING 60 2 SHIPPING 60 3 STORAGE 60 CHAPTER 6 MAINTENANCE 61 1 GENERAL 61 2 PREVENTATIVE 61 3 TROUBLESHOOTING 61 4 CALIBRATION 61 APPENDIX A ABBREVIATIONS GLOSSARY 62 APPENDIX B OPERA...

Страница 10: ...AL MENU 23 FIGURE 23 HOLD RESUME FEATURE DISPLAYED 24 FIGURE 24 TARGET VALUE KEYPAD SCREEN 24 FIGURE 25 DISPLAY SETUP 4 PARAMETER 25 FIGURE 26 DISPLAY SETUP 2 PARAMETER FORMATS 25 FIGURE 27 DISPLAY UN...

Страница 11: ...FIGURE E 15 DISCONNECT REMOTE BUTTON 75 FIGURE E 16 LOCAL UI ENABLE BUTTON 76 FIGURE E 17 REMOTE CONNECTED REMOTE UI DISABLED 76 FIGURE F 1 MAIN MENU SCREEN PAGE 2 77 FIGURE F 2 NUMBERED KEYPAD SCREEN...

Страница 12: ...TIONS 6 TABLE 5 PRESSURE UNITS SPECIFICATIONS 7 TABLE 6 DISPLAY UNITS 7 TABLE 7 ENGINE PRESSURE RATIO TEST TABLE 57 TABLE 8 AERONAUTICAL LIMITS PROFILE DEFAULT 64 TABLE 9 AERONAUTICAL LIMITS PROFILE M...

Страница 13: ...dures and instructions detailed in this manual Do not use this equipment for any other purpose than that stated as the protection provided by the equipment may be impaired 2 INFORMATION PROVIDED WITH...

Страница 14: ...Last Calibrated in the format of Day Month Year and will provide the user with the number of days remaining before its calibration due date with a statement of Cal due in days format CAUTION Recertif...

Страница 15: ...he 1811NG The app includes all necessary software to remotely operate the 1811NG using its factory enabled free embedded secure Wi Fi refer to Appendix E Wi Fi Connection Procedure Additionally the ap...

Страница 16: ...arranty does not affect any other legal rights you may have by operation of law Contact BARFIELD at www Barfieldinc com or customer service at 305 894 5506 for warranty service procedures DISCLAIMER O...

Страница 17: ...tot Static testers WARNING The 1811NG is NOT suitable for use on aircraft with RVSM Accuracy requirements 2 SPECIFICATIONS A Physical Characteristics Size H W L 9 0 in 22 86 cm 14 8 in 37 6 cm 22 2 in...

Страница 18: ...kts 650 kts 2 of value Better than 0 005 MACH 0 1 Repeatability 0 006 FS 2 ft 0 ft 5 ft 30 000 ft 15 ft 50 000 ft 0 5 kts 20 kts 0 2 kts 50 kts 0 1 kts 650 kts 0 001 rising to 0 005 Resolution 1 1 0 1...

Страница 19: ...accuracy 0 02 FS Maximum error is 0 04 FS Regarding Qc Channel Specification based on typical accuracy 0 05 FS Maximum error is 0 10 FS Note 2 This tolerance represents the stability over a 12 month...

Страница 20: ...ration 5x20 mm Time Lag T L 250 VAC 2A is recommended 3 INSTRUCTIONS FOR USE A With the Barfield 1811NG Pitot and Static ports connected via the hoses included and mating aircraft adapters not include...

Страница 21: ...CE A For technical assistance on the Barfield 1811NG please contact Barfield Inc at TECHNICAL CUSTOMER SUPPORT GSTE BARFIELD INC P O BOX 025367 MIAMI FL 33102 5367 USA Telephone 305 894 5400 800 321 1...

Страница 22: ...C 320 C14 module with an ON OFF Switch and equipped with an internal fuse holder Figure 4 Power Entry Module B The tester must be connected to the correct electrical power supply as stated beneath the...

Страница 23: ...ed 25 ft Hose with AN4 fittings and 1 tethered plug for PITOT Pt port connection P N 115 00629 3 Carrying Bag P N 195 00021 4 Instruction Manual P N 56 101 01178 this doc 5 Power Cord 90 degree 115VAC...

Страница 24: ...et either Android or IOS device 5 Wi Fi Application available as free download from either Google Play Store or Apple App Store Figure 6 Optional Travel Shipping Case Sized to qualify as a checked bag...

Страница 25: ...ide of the unit which must not be blocked Also there are intake vents on the left side for drawing air though the case which also must be kept free from obstructions Both sets of vents are labeled as...

Страница 26: ...AN4 MS33656 4 Figure 10 1811NG Pressure Connections B Blanking Caps When not in use the panel mounted Blanking Caps should be fitted to the ports to prevent the introduction of any foreign matter Not...

Страница 27: ...sure port Connect to Aircraft Static system This is also referred to as the Ps port 3 Display Touch Screen Touch screen GUI Graphic User Interface is used to display and control all aspects of the Tes...

Страница 28: ...Instruction Manual P N 56 101 01178 see Figure 12 2 Electrical Cable P N AE9887 ND see Figure 13 3 Hose Kit P N 115 00633 see Figure 14 4 Wi Fi Antenna P N 126 00001 see Figure 15 5 Carrying Bag P N 1...

Страница 29: ...56 101 01178 Revision K Page 17 Figure 12 Instruction Manual P N 56 101 01178 Figure 13 Electrical Cable P N AE9887 ND Figure 14 Hose Kit P N 115 00633...

Страница 30: ...176 00001 B Items not included 1 Ruggedized shipping case Barfield P N 194 00073 see drawing in Figure 6 2 Nav Aids Pitot Static Adapters Contact Barfield with your aircraft requirements 3 Wi Fi enab...

Страница 31: ...Each Test Set is completely calibrated and tested before shipment However to ensure the integrity of the tests the 1811NG should be leak checked before each use To help automate this process use the p...

Страница 32: ...S A The 1811NG has two pneumatic control modes of operation 1 the default mode 2 channel Ps Pt mode and 2 1 channel Pt Only mode which the user can select by following this Menu sequence Main Menu Pag...

Страница 33: ...al Ps Pt mode Figure 20 Optional 1 Channel Pt Only Mode Note Please refer to Appendix D for the complete Menu Navigation 7 TEST SET CONFIGURATION STATUS DISPLAY The Test Set presents the Configuration...

Страница 34: ...figuration Status area is an active touch zone the user can navigate by either pressing the top right box or selecting this Menu sequence Main Menu Page 2 Setup 1 Figure 21 Test Set Configuration Info...

Страница 35: ...e present value measured on the Ps Pt ports During the transition to Control mode Wait Resuming Control is displayed and ALL touch screen zones are disabled except for the Cancel soft key When the mes...

Страница 36: ...th some ROC and RtCAS the PCM controller requires some response time to reach the new temporary Target When Resume is selected the original target ALT and CAS values will reload 10 While in Leak Measu...

Страница 37: ...ayed areas Figure 25 Display Setup 4 Parameter Figure 26 Display Setup 2 Parameter formats C Units Displayed units Once the Display Setup has been selected Aeronautical Pressure units or EPR 4 paramet...

Страница 38: ...tical Mode Figure 28 Display Units for Pressure Units Mode D Leak Testing There are two types of leak tests supported on the 1811NG the traditional leak testing using the Leak Rate Timer or the Automa...

Страница 39: ...k Time phase is truly a result of the system leak rate and not a result of adiabatic instability b For Low Level Leak testing 5 000 ft a Wait Time of 1 00 min is recommended c For High Level leak test...

Страница 40: ...y take the Ps channel to ground prior to starting the Pt channel leak test d Wait The wait time is the time allowed for the system under test to settle and stabilize after the target CAS or ALT has be...

Страница 41: ...an be selected while operating in Leak Measure or Control mode Note During Power ON initializations the Test Set measures ambient barometric pressure GROUND and stores it in a temporary memory When th...

Страница 42: ...ducer typically due to thermal component Test Set Warming or cooling The AutoZero function greatly improves the low airspeed 50 kts measurement accuracy Also the Test Set will remain vented to ambient...

Страница 43: ...igure 36 Setup 1 Main Menu Page 2 Setup 1 1 Auto Leak Recovery When the Test Set is operating in Leak Measure mode and Auto Leak Recovery is Enabled If a high leak rate occurs High ROC or RtCAS then A...

Страница 44: ...56 101 01178 Revision K Page 32 Figure 37 Altitude Correction Screen Figure 38 Altitude Correction On Aircraft Figure 39 Altitude Correction Keypad...

Страница 45: ...ode to ensure the Test Set Ps port is at ambient barometric pressure at the conclusion of the Go To Ground the Test Set will leave the Ps port vented to ambient while driving the Pt port to the Target...

Страница 46: ...m limit profile s Note This is in addition to the two pre defined 1 default and 2 max limit profiles b Edit Custom Limits Allows user to edit custom limit profile s see Figure 43 Note The user cannot...

Страница 47: ...tinued on next page Figure 44 Delete Custom Limits 2 System Config a Set Date Time set time and date of unit Step 1 Touch to open Step 2 Touch to open Step 3 Ensure Limits is different from custom lim...

Страница 48: ...B Update HUIM firmware from dpsx file located on the USB flash drive b Flash PCM from USB Update PCM firmware from controller hex file located on the USB flash drive H Setup 3 This is for OEM only OEM...

Страница 49: ...ain Menu Page 2 Page 3 1 Current History Recorded event history since the unit was last powered on 2 Complete History Recorded ALL event history dating back to ether when the product was 1st powered O...

Страница 50: ...nd PITOT Pt ports During power ON initialization the following discovery occurs 1 The Test displays a power ON initialization window during this phase as shown above There is a log file created that r...

Страница 51: ...change the ROC for that occurrence but touching the ROC touch zone and changing the Target value Note After power ON initialization has completed the Test Set will remain in Leak Measure mode with the...

Страница 52: ...nHg while maintaining controlling the PITOT Pt channel differential pressure with a pressure resolution of 0 0004 inHg The precession custom controller provides the ability of maintain a constant CAS...

Страница 53: ...hose to the Test Set if not already connected Note The ports on the Test Set and mating hoses are color coded to help prevent the accidental crossing of Pitot and Static hoses 3 Set the POWER switch t...

Страница 54: ...efault Test Set Only and Test Set with Hoses c Touch Test Set Only The Test Set Only control screen appears d Touch Test Set with Hoses The Test Set with Hoses control screen appears 6 On the Test Set...

Страница 55: ...Leak Rate Timer follow B 1 steps and for method 2 ATP Leak Test follow B 2 steps 1 Method 1 Leak Rate Timer Figure 51 Leak Test Timer Screen a Select Control mode Wait Resuming Control screen appears...

Страница 56: ...Method 1 Leak Rate Timer Figure 52 Leak Rate Timer Unit Safe at Ground 2 Method 2 ATP Leak Test Figure 53 ATP Leak Test Note It is highly recommended that the user performs the Test Set Only with hos...

Страница 57: ...o Ground will be performed before starting the Pt Leak Test If Ps Low ALT was selected it will be tested second If Ps High ALT was selected it will be tested third At the conclusion of the ATP Leak Te...

Страница 58: ...ther ports in the system being tested are sealed before continuing 3 It is recommended to have the 1811NG chassis grounded to the aircraft or UUT using the Ground stud located in the upper right corne...

Страница 59: ...scribed above or individual system leak tests To accomplish a single channel Pitot only or Static only modify the procedures by simply not entering Target value for the parameter channel For example f...

Страница 60: ...92 inHg 1013 25 mbar 5 Select the appropriate Limit values for the aircraft Instrument s to be tested Note If the appropriate limits file does not exist go into Setup 2 and create the limit file a Fr...

Страница 61: ...e Leak Test ATP is a fully automatic feature that proceeds as follows a When selected the Pt leak test will be performed If the STATIC Ps port is not at ambient Ground pressure the ATP will begin by p...

Страница 62: ...annel is driven to a high altitude while testing and creates a large differential pressure which could exceed the ASI full scale rating Note While testing the Static Ps system the Target value for CAS...

Страница 63: ...be re defined 15 On completion of the Static system testing select the Go to Ground function and wait for the Unit is Safe at Ground message to be displayed 16 This completes the Aircraft Static Syst...

Страница 64: ...tain ambient pressure altitude equivalent on the Static Ps port b It is very important that the Test Set maintains ALT ambient pressure altitude especially if the Static Ps hose is not connected to th...

Страница 65: ...econdary aide As such the primary objective of this manual is to provide instruction relevant to general Test Set operation while the AMM or CMM dictates the specific test process sequences and values...

Страница 66: ...essure altitude and CAS values b Wait for Resuming Control phase to complete typically 4 seconds 12 Set the ROC Target value as specified by the AMM CMM or AP authorized procedure 13 If required set t...

Страница 67: ...elect Control mode 3 Wait for Resuming Control to complete 4 Enter the Target value for MACH 5 Wait for MACH Target to be achieved 6 The controller will maintain the MACH target value while the user s...

Страница 68: ...s the primary authority and this manual should be recognized as a secondary aide As such the primary objective of this manual is to provide instruction relevant to general Test Set operation while the...

Страница 69: ...esulting from the equation of PT7 PT2 In the EPR Mode the Ps setting is the overriding factor vs the Pt or the EPR Ratio The default unit of measure are in inHg however various units of measure are av...

Страница 70: ...reading f Repeat the process by entering both Target values for all increments of test 3 After testing has been completed use the Standard Test Set Shutdown Procedures to return the Test Set and aircr...

Страница 71: ...STATIC Ps or PITOT Pt hose or Nav Aids adapters before Test Set displays Unit Safe at Ground 3 Switch Power OFF 4 Disconnect the STATIC and PITOT hoses from the aircraft ports and or adapters 5 Discon...

Страница 72: ...ended that the factory shipping container and packing materials be retained should it become necessary to re ship the Test Set for a variety of reasons including O E M recertification B Ensure the uni...

Страница 73: ...lization routine to make sure there are no apparent issues reported 3 TROUBLESHOOTING A If the unit displays an error code during use please record the error code and contact Barfield or its represent...

Страница 74: ...or km h CMM Component Maintenance Manual EPR Engine Pressure Ratio o F Degrees Fahrenheit o C Degrees Celsius Fig Figure ft Foot g Gauge hr Hour hm Hecto meter inHg inches of Mercury HUIM Host User In...

Страница 75: ...ate of Pt pressure change Qc Differential pressure Qc Pt Ps QFE Local atmospheric pressure QNH Barometric pressure at sea level ROC Rate Of Climb in units of ft min or m min Rt Rate RtCAS Rate of chan...

Страница 76: ...50 000 ft 15 240 m Maximum Target Altitude ROC Min 100 ft min 30 m min Minimum Target ROC ROC Max 3 000 ft min 914 m min ROC default 3 000 ft min 914 m min CAS Min 0 0 kts Target 0 0 or 5 0 kts CAS M...

Страница 77: ...Minimum Pressure Qc Max 40 000 inHg Qc Maximum Pressure Pt Min 2 693 inHg Pt Minimum Pressure Pt Max 78 000 inHg Pt Maximum Pressure PsRt Min 0 1 inHg min Ps Minimum Rate PsRt Max 3 0 inHg min Ps Max...

Страница 78: ...ximum Pressure Pt Min 2 693 inHg Pt Minimum Pressure Pt Max 78 000 inHg Pt Maximum Pressure EPR Min 0 10 Ps Minimum Rate EPR Max 15 Ps Maximum Rate RtEPR Min 0 50 inHg min EPR Minimum Rate RtEPR Max 9...

Страница 79: ...56 101 01178 Revision K Page 67 APPENDIX C 1811NG INTERNAL PNEUMATIC DIAGRAM...

Страница 80: ...56 101 01178 Revision K Page 68 APPENDIX D MENU NAVIGATION...

Страница 81: ...ld app from the Google Play Store or Apple App Store search for Barfield ADTS Refer to Document 42 101 01175_01178 for more detailed information A Establishing Wi Fi Connection with Android Device 1 L...

Страница 82: ...ssword request will trigger refer to Figure E 3 Password barfield all lowercase Figure E 3 Password request 6 Return to Barfield ADTS The selected DPS1000 1811NG Wi Fi will be displayed refer to Figur...

Страница 83: ...et is connected to the Android device the 1811NG s touch screen is disabled Only the Disconnect Remote and Local UI enable buttons are enabled To enable the 1811NG s touchscreen press the Local UI ena...

Страница 84: ...n on the remote s screen will indicate Remote Connected Remote UI disabled refer to Figure E 8 Figure E 8 Remote Connected Remote UI disabled B Establishing Wi Fi Connection with Apple Device 1 Launch...

Страница 85: ...ure E 10 Figure E 10 Information Wi Fi Connect Screen 4 Go to your device s Wi Fi connection Settings screen 5 Connect to available DPS1000 1811NG Wi Fi refer to Figure E 11 Note If connecting to the...

Страница 86: ...00 181100 Wi Fi selected will be displayed refer to Figure E 13 Figure E 13 Connect screen with unit selected displayed 7 Press Connect 8 You are now ready to use the Barfield ADTS App with your Test...

Страница 87: ...t Set is connected to the Apple device the 1811NG s touch screen is disabled Only the Disconnect Remote and Local UI enable buttons are enabled To enable the 1811NG s touchscreen press the Local UI en...

Страница 88: ...vision K Page 76 Figure E 16 Local UI enable button Note A yellow button on the remote s screen will indicate Remote Connected Remote UI disabled refer to Figure E 17 Figure E 17 Remote Connected Remo...

Страница 89: ...is disabled in the default configuration of the Test Set as shipped from Barfield Section 1 below describes the process of enabling the Cabin Pressure function while Section 2 describes the actual usa...

Страница 90: ...e default code is 123456 Touch Enter Setup 2 screen is displayed see Figure F 3 Figure F 3 Setup 2 Screen 4 Touch System Config A screen appears with three options Touch Cabin Pressure Mode Disabled t...

Страница 91: ...art the unit 2 SECTION 2 A Using Cabin Pressure Mode in aircraft 1 Turn the unit ON The unit will go through an initialization process 2 The unit will then prompt you to answer yes or no to the messag...

Страница 92: ...1 ensure that the cabin of the aircraft is open and the pitot port of the unit is vented to ambient Ps port connection no required Please refer to Figure F 8 for examples of Pitot port venting to ambi...

Страница 93: ...easure A warning pop up window is displayed with the message below see Figure F 9 Figure F 9 Warning Screen 5 Touch Yes Continue to follow on screen instructions Step 2 window is displayed see Figure...

Страница 94: ...e Cabin Measure button will be available Please ensure that the cabin is sealed and ready for pressurization as per AMM Figure F 11 Cabin Pressure Mode Step 3 7 Upon pressing the Cabin Measure button...

Страница 95: ...ssurization procedure and the unit will display the measured pressures and rates Note As a safety feature the following conditions will be monitor and a visual warning will be issue by the unit If a r...

Страница 96: ...101 01178 Revision K Page 84 Figure F 15 Cabin Pressure Mode Venting Process 12 Once the venting process is completed the unit is safe to power off see Figure F 16 Figure F 16 Cabin Pressure Mode Step...

Страница 97: ...environmental conditions A Accessing IBF system mode 1 Power unit On Allow the unit to go through the initialization process 2 Connect the standard Static Ps channel hose to the Test Set 3 Connect th...

Страница 98: ...Select Additional Functions A new screen appears see Figure G 3 Figure G 3 Additional Functions Screen 7 Touch IBF Inlet Barrier Filter Mode Step 1 screen is displayed with the message below see Figur...

Страница 99: ...w Figure G 5 Warning Screen 9 Select Yes to confirm this action Step 2 screen is briefly displayed while unit is venting to ambient and performing Tear function see Figure G 6 Figure G 6 IBF Step 2 Sc...

Страница 100: ...control mode with the Target value both ALT dP set to the current pressure measure on the Static Ps port 12 Touch ALT or dP zone A keypad screen is displayed see Figure G 8 Enter Target values Initial...

Страница 101: ...een appears with the prompt below Figure G 9 Vent to Ambient Screen 16 Select Yes The unit will briefly vent and a new screen is displayed with the message below see Figure G 10 Figure G 10 Unit Safe...

Страница 102: ...56 101 01178 Revision K Page 90 APPENDIX H FIELD FIRMWARE UPDATE PROCEDURE VIA USB BARFIELD ADTS APP Please refer to the 42 101 01175_01178 for this procedure...

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