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INSTRUCTION MANUAL

DPS400

56-101-01180-C

1-4

Page 6

November 5, 2003

The following flow diagram (Figure 7) shows the path to change the displayed units of measure using
the menus:

DISPLAY UNITS FLOWCHART

Figure 7

PARAMETER DISPLAY

MAIN MENU

DISPLAY UNIT MENU

Display in English Units

ADDITIONAL MENU #1

Display in Metric Units

EPR in inHG

EPR in millibar

ADDITIONAL MENU #2

EPR + English Meas.

EPR + Metric Meas.

ADDITIONAL MENU #3

Internal Test Pressures in

Ps inHg

Pt inHg

Qc inHg

Internal Test Pressures in

Ps (Psia)

Pt (Psia)

Qc (Psid)

N/A

Summary of Contents for DPS400

Page 1: ...INSTRUCTION MANUAL DPS400 PITOT STATIC TEST SET P N 101 01180 MOD P 56 101 01180 C November 5 2003...

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Page 3: ...THIS MANUAL INQUIRIES SHOULD INCLUDE SPECIFIC QUESTIONS AND ALWAYS REFERENCE THE PUBLICATION TITLE NUMBER CHAPTER PAGE FIGURE PARAGRAPH AND EFFECTIVE DATE PLEASE SEND COMMENTS TO TECHNICAL CUSTOMER S...

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Page 5: ...t may be necessary to revise this manual in the future Please be sure to complete and return a Revision Request Form to Barfield GSTE Revision Services Additionally Barfield MUST have your name and ad...

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Page 7: ...REV DATE DESCRIPTION OF CHANGE A B C N A 260 00462 260 00643 and 260 00642 October 29 1996 May 15 2001 November 2 2003 Initial Release Revised to show software menu screen changes as per ECO Revised...

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Page 9: ...LIST OF APPROVED REPAIR FACILITIES TRADE NAME BARFIELD PRODUCT SUPPORT DIVISION Shipping Address Telephone 305 871 3900 Barfield Inc 800 321 1039 4101 N W 29th Street Fax 305 876 1680 Miami Florida 33...

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Page 11: ...Attention Pages Revision Record Page List of Approved Repair Facilities Table of Contents List of Illustrations Introduction GENERAL INFORMATION AND OPERATING INSTRUCTIONS Chapter Section Description...

Page 12: ...1 2 GENERAL DESCRIPTION 1 3 PHYSICAL DESCRIPTION 2 A Carrying Case 2 B Switches and controls 3 B Hose Assembly 5 C Power Cables 5 SECTION 2 SPECIFICATIONS AND CAPABILITIES 1 2 1 1 PHYSICAL DATA 1 2 SP...

Page 13: ...h Limit Exceedance 22 F DISPLAYING FIRMWARE VERSION 22 3 LEAK CHECKING THE TESTER 23 A PRELIMINARY SETUP 23 B STATIC LEAK CHECKS 24 C PITOT LEAK CHECKS 26 D APPLYING LEAK CORRECTION 28 4 AIRCRAFT TEST...

Page 14: ...INSTRUCTION MANUAL DPS400 56 101 01180 C CONTENTS Page 4 November 3 2003 TABLE OF CONTENTS Continued PAGE SECTION 5 SHIPPING 1 5 1 1 RECEIVING 1 2 SHIPPING 1 SECTION 6 STORAGE 1 6 1 1 PROCEDURE 1...

Page 15: ...3 Limited Warranty Registration Card 2 1 1 4 DPS400 Mod P Pitot Static Tester 1 1 1 5 Tester Switches and Controls 3 1 3 6 Pneumatic Diagram 2 1 4 7 Display Units Flowchart 6 1 4 8 Enable Disable Flo...

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Page 17: ...ecific and refer to the publication title number chapter page figure paragraph and effective date Changes when approved will be published as revisions to the basic publication 2 IDENTIFICATION MODIFIC...

Page 18: ...ER WARRANTY REGISTRATION CARD Figure 2 2 The Limited Warranty Statement Card Figure 3 which lists the manufacturer s obligation to the original purchaser LIMITED WARRANTY STATEMENT CARD Figure 3 3 The...

Page 19: ...Page 3 November 5 2003 3 RECERTIFICATION The Test Set P N 101 01180 has a one year recertification requirement Qualified technicians in a shop equipped with the necessary tooling and facilities must...

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Page 21: ...03B and of FAR 91 411 for performing Altimeter and Static System Tests and Inspections 2 GENERAL DESCRIPTION DPS400 Mod P Digital Pitot Static Tester Figure 4 The DPS400 Pitot Static Test Set provides...

Page 22: ...ints are user or operator programmed using the display s menu system These trip points provide protection for altitude airspeed rate of climb decent and mach Separate internal pumps are provided to su...

Page 23: ...B M N G A S N M L K J F E D C MOD A G THE USA MADE IN OPT B C D E F H J K L M ALTITUDE FEET STATIC CONTROL REFERENCE ONLY DIAL INDICATION RATE CONTROL LEAK TEST F2 F1 MENU F4 F3 PUMP TEST LEAK DEC CO...

Page 24: ...raft static system to the tester 11 PITOT PORT Connects the aircraft pitot system to the tester 12 PANEL DISPLAY Shows measured data programmable limits and calibration information Also used to enter...

Page 25: ...for connecting to a static port adapter c PITOT TUBE ADAPTER is a flexible expandable rubber tube used for connecting the pitot hose to an aircraft s pitot port 2 STATIC PORT ADAPTER KIT is a univers...

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Page 27: ...to 55 000 ft B Airspeed 20 to 650 knots C Rate of climb 0 to 20 000 ft min D Mach 0 1 to 3 5 E Ps channel 0 8 inHg to 32 in Hg absolute static port F Pt channel 0 8 inHg to 77 inHg G EPR 1 00 to 3 00...

Page 28: ...eed knots km hr B Altitude feet meters C Mach mach D Rate of Climb feet min meters min E EPR Ratio Pt Ps Pt Ps in Hg mb psia 6 PRESSURE MEDIA Pressure and vacuum are generated by two separate internal...

Page 29: ...onnector has internal jumpers which determine the required operating voltage 115 VAC 230 VAC or 28 VDC 4 PROTECTION CIRCUITS The aircraft systems are protected against excessive rates and pressures by...

Page 30: ...layed parameters closely to avoid excessive differential pressures between the test set and the aircraft systems once the solenoid isolation valves are actuated Refer to Operations paragraph D PROTECT...

Page 31: ...are advised to safeguard the sensitive instruments in the aircraft from conditions such as negative airspeed and over pressurization Caution Do not use unnecessary force to adjust any test set meterin...

Page 32: ...Ft m P rotection E nabled F1 V iew Lim its F1 F2 LE A K TEST IN C F3 F4 C O N T RA ST D E C M E N U P U M P Displays the simulated pressure altitude in relation to 29 92 InHg Protection Status Enabled...

Page 33: ...DE C M EN U P U M P A PRELIMINARY SETUP 1 Set tester as follows for initial valve positions for storage and initial power on a Leak Test Closed b Rate Control Leak Test Closed c Pitot Vent Open d Stat...

Page 34: ...turning power on to prevent the auto zero error correcting circuits from malfunctioning Wait until the initialization is finished before closing these valves Note If the unit loses power or is powere...

Page 35: ...inHg millibars mb or pounds per square inch absolute psia Displaying the EPR with the altitude and airspeed in Metric or English measurements Displaying the internal pressures Pt Ps and Qc of the test...

Page 36: ...UNITS FLOWCHART Figure 7 PARAMETER DISPLAY MAIN MENU MENU F1 DISPLAY UNIT MENU Display in English Units ADDITIONAL MENU 1 Display in Metric Units EPR in inHG EPR in millibar ADDITIONAL MENU 2 EPR Eng...

Page 37: ...T IN C F3 F 4 C O N TR A S T D E C M E N U PU M P F1 sets altitude to feet airspeed to knots and rate of climb to feet min F2 sets altitude to meters airspeed to km hr and rate of climb to meters min...

Page 38: ...and knots or meter and km hr or continue to Psia F4 is used to return to the previous menu first Display Units Press 2 times to return to the Main Menu When F3 is pressed again the third Display Unit...

Page 39: ...ous menu third Display Units Press F4 until returned to the Main Menu 0 Kts XXX Ft 0 00 M ach 0 Ft m P rotection Enabled F1 V iew Lim its F1 F2 LEA K TE ST IN C F3 F4 C O NT RAS T D E C M E N U P U M...

Page 40: ...used in the DPS400 are damage resistant The typical conditions that cause damage to an aneroid instrument do not affect the DPS400 components The following flowchart Figure 8 shows the process throug...

Page 41: ...commended that the operator always set their desired protection limits and insure the protection limits are enabled before use on an aircraft or pressure sensitive equipment c Press F3 To change prote...

Page 42: ...llowing flow diagram Figure 9 shows the process through the menus needed to set the static port limits STATIC LIMITS MENU VSI RATE MENU ALTITUDE MENU INCREASE DECREASE INCREASE DECREASE DECREASE SAVE...

Page 43: ...te F3 E nable D isable F4 C ancel F1 F2 LE AK TE S T IN C F3 F4 C O N TR AS T D EC M E N U PU M P Note Protection values are stored in non volatile memory and the values displayed are those set in pre...

Page 44: ...1000 Ft Increments F1 Decrease in 1000 Ft Increments F3 Save New Value F4 Cancel F1 F2 LEAK TEST INC F3 F4 CONTRAST DEC MENU PUMP F2 Rate Limit Menu Leak Rate Warning XXX Ft min F1 Increase Allowable...

Page 45: ...rt Limits The Pitot Port limits includes a maximum airspeed and a zero minimum airspeed and Mach limits The following flow chart Figure 10 shows the process through the menus needed to set the pitot p...

Page 46: ...b le D is able F4 C an c el F 1 F 2 L E AK T E S T IN C F 3 F 4 C O N T R A S T D E C M E N U P U M P Note Protection values are stored in non volatile memory and the values displayed are those set in...

Page 47: ...Increments F2 Decrease in 0 1 Mach Increments F3 Save New Value F4 Cancel F1 F2 LEAK TEST INC F3 F4 CONTRAST DEC MENU PUMP F2 Mach Limit Menu Note XXX or X X represents values set by previous operator...

Page 48: ...while testing with the zero airspeed special mode If pumps are turned OFF during zero airspeed testing use F4 to cancel out of special zero airspeed mode If 0 zero airspeed is set the DPS400 shows the...

Page 49: ...tem and establish one or both conditions before continuing F2 To Continue F4 Cancel F1 F2 LEAK TEST INC F3 F4 CONTRAST DEC MENU PUMP Press F4 to cancel and return to parameter screen or Press F2 the f...

Page 50: ...Increase Allowable Leak Rate F2 Decrease Allowable Leak Rate F3 Save New Value F4 Cancel F1 F2 LEAK TEST INC F3 F4 CONTRAST DEC MENU PUMP F3 Leak Rate Limit Menu Note X X represents values set by prev...

Page 51: ...RESET replaces the message Protection Enabled F1 View Limits and the protection circuit resets d If a higher altitude is desired reprogram the altitude limits and continue with normal testing e Readju...

Page 52: ...essary reprogram the Airspeed or Mach limits e Slowly reopen static RATE CONTROL LEAK TEST valve and perform normal testing E DISPLAYING FIRMWARE VERSION Upon power up the DPS400 displays the current...

Page 53: ...Control Field Elevation Note Do not over tighten the valves A light pressure is necessary to completely open or close the valves supplied with the DPS400 or other Barfield Pitot Static testers 2 Insu...

Page 54: ...to approximately 100 knots Set the PITOT CONTROL to 100 knots 3 When airspeed reaches approximately 100 knots open the LEAK TEST valve fully Allow the differential regulator to maintain the airspeed a...

Page 55: ...NTRAST DEC MENU PUMP Note Do not press F1 until ready to do the Leak Check As soon as F1 is pressed the screen above appears with a 60 second countdown timer that allows time for stabilization of the...

Page 56: ...grammed limit of the VSI Slowly open the RATE CONTROL LEAK TEST returning the aircraft static system to field elevation Close the RATE CONTROL LEAK TEST valve Slowly open the STATIC VENT valve to retu...

Page 57: ...e 0 60 S E C F4 C ancel F 1 F2 LE A K TE ST IN C F3 F 4 C O N T RA ST D E C M E N U P U M P Note Do not press F2 until ready to do the Leak Check As soon as F2 is pressed the screen above appears with...

Page 58: ...g the procedure Press the F4 button to return to the parameter display screen 9 When testing is complete set the PITOT CONTROL for airspeed of 100 knots 10 Record the tester hose leak rate so it may b...

Page 59: ...revent accidental crossing of Pitot and Static hoses 4 Insure the Tester Leak Checks have been completed before connecting the tester to the aircraft systems 5 Connect the PITOT PORT hose Red Band to...

Page 60: ...ail close the pitot LEAK TEST valve fully then slowly open the PITOT VENT valve to return system to ambient before disconnecting test set b Observe the aircraft and test set airspeed indications while...

Page 61: ...he LEAK TEST valve Verify the airspeed increases or decreases to approximately 100 knots Close the LEAK TEST valve f Slowly open the PITOT VENT until the airspeed reaches 0 knots g Configure the Teste...

Page 62: ...lve Verify the airspeed increases to approximately 100 knots Set PITOT CONTROL at 100 knots d When near the 100 knots airspeed open the LEAK TEST valve fully to allow the differential regulator to mai...

Page 63: ...e valves without damage However excessive force can overcome the knob set screw resulting in valve damage The same caution applies when using the vernier knobs on the pressure regulator c Slowly open...

Page 64: ...levation i Close the RATE CONTROL LEAK TEST valve and slowly open the Static VENT valve to return the static system to ambient pressure j Close the LEAK TEST valve and slowly open the PITOT VENT until...

Page 65: ...y open the LEAK TEST valve Verify the airspeed increases to approximately 100 knots Set PITOT CONTROL to 100 knots f When approximately 100 knot airspeed open the LEAK TEST valve fully to allow the di...

Page 66: ...ROL approximately to field elevation altitude n Observe and maintain the VSI below the programmed limits Slowly open the RATE CONTROL LEAK TEST to return the aircraft static system to field elevation...

Page 67: ...altitude and repeat the test as required AIRSPEED IN KNOTS FROM NTIS 62 71396 ALTITUDE IN FEET 50 60 70 75 80 82 85 90 10k 277 334 391 420 449 15k 247 298 350 376 403 414 429 20k 228 275 324 348 373...

Page 68: ...ailable for the PT2 and PT7 pressure display are inHg mb or altitude ft or M and airspeed kts or km hour To set up the EPR display to desired units of measurement refer to Setting the Display Units No...

Page 69: ...GE TEST 1 Preliminary a Connect STATIC PORT Blue to the manifold gauge to be tested b The Protection limits may be disabled during the Manifold Pressure Gauge tests 2 Test a The DPS400 can be changed...

Page 70: ...lve to set the static pressure MANIFOLD PRESSURE INCHES OF MERCURY ALTITUDE FEET 31 985 30 75 29 860 28 1825 27 2815 26 3835 25 4890 20 10 730 15 17 905 10 27 375 MANIFOLD PRESSURE TEST Table 3 d When...

Page 71: ...TE CONTROL LEAK TEST valve and set the STATIC CONTROL to approximately field elevation altitude 4 Observe the maximum VSI Open the RATE CONTROL LEAK TEST to return the aircraft static system to field...

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Page 73: ...e retained should it become necessary for any reason to reship the Test Set It is also recommended that the Test Set be Leak Checked upon receipt and its carrying case be carefully inspected for damag...

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Page 75: ...TORAGE 1 PROCEDURE A Place a four ounce bag of desiccant inside the container B Close and latch the cover C Store in a cool dry place Should the Test Set become exposed to moisture or very high humidi...

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