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Copyright 1996 Baker Hughes Company.

English–ADTS 403/405 Calibration Manual | iii

Associated Documents

Abbreviations

The following abbreviations are used in this manual; the abbreviations are the same in the 

singular and plural.

Document

Title

K0114

ADTS 405 User Manual

K0242

ADTS 401 Operator’s Manual [software version 4.20 to 4.29]

K0243

ADTS 401 Operator’s Manual [software version 4.31 to 4.39]

K0285

ADTS 403 User Manual

K0154

ADTS 405 IEEE 488 Option User Manual

K0157

ADTS 405 SCPI User Manual

Abbreviation

Description

A

Ampere

abs

Absolute

AC

Alternating current

ADTS

Air data test system

ALT

Altitude

ARINC

Aeronautical Radio Incorporated

ASCII

American Standard Code for Information Interchange

ATE

Automatic test equipment

CAS

Calibrated airspeed

e.g.

For example

etc.

And so on

Fig.

Figure

ft

Foot

g

Gauge

hPa

Hecto Pascal

Hz

Hertz

i.e.

That is

IEEE 488

Institute of Electrical and Electronic Engineers standard 488 data

in

Inch

inHg

Inches of mercury

inH

2

O @ 4°C

Inches of water at 4°C

inH

2

O @ 20°C

Inches of water at 20°C

kg

Kilogram

Summary of Contents for ADTS 403F

Page 1: ...Druck com ADTS 403 405 R F Air Data Test System Calibration Manual...

Page 2: ......

Page 3: ...e condition The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage Use qualified personnel and good engineering practice for all pro...

Page 4: ...an approved organization that collects and or recycles waste electrical and electronic equipment For more information contact one of these Our customer service department Druck com Your local governme...

Page 5: ...al K0154 ADTS 405 IEEE 488 Option User Manual K0157 ADTS 405 SCPI User Manual Abbreviation Description A Ampere abs Absolute AC Alternating current ADTS Air data test system ALT Altitude ARINC Aeronau...

Page 6: ...Pressure Total Pitot P W Password Qc Differential pressure SCPI Standard commands for programmable instruments TAS True airspeed TPM Test program manager Druck software package V Volts ve Positive ve...

Page 7: ...ticular state or condition especially in a state of efficiency or validity Make sure To confirm that a proper condition exists to find out with certainty Operate Ensure that an item or system function...

Page 8: ...Copyright 1996 Baker Hughes Company vi ADTS 403 405 Calibration Manual English...

Page 9: ...Combined Pitot and Static Channels 11 4 6 Main Calibration 12 4 6 1 To Operate Calibration Switch 12 4 6 2 Pressure Source 12 4 6 3 Select Calibration Mode 13 4 7 Calibration and Adjustment of the Sta...

Page 10: ...Copyright 1996 Baker Hughes Company viii ADTS 403 405 Calibration Manual English...

Page 11: ...o verify performance following a main calibration Three options are available for main calibration and calibration check a Ps channel absolute calibration b Pt channel absolute calibration c Combined...

Page 12: ...he unit datum level The datum level of the unit is on the front panel 1 6 1 Pressure Source The calibration menu prompts a selection of an internal or external pressure source The internal pressure so...

Page 13: ...sensors This is particularly important when using an EXTERNAL pressure source The ADTS should be allowed one hour to thermally stabilize after power on and before performing any calibration routines...

Page 14: ...Copyright 1996 Baker Hughes Company 4 ADTS 403 405 Calibration Manual English Chapter 1 Introduction...

Page 15: ...NTROL Select ALT and enter a new aim point of 75 mbar abs Check that the ADTS attains the new aim point Make sure the pressure is stable and within 0 1 mbar of the aim point 10 Select RATE SPEED and L...

Page 16: ...Copyright 1996 Baker Hughes Company 6 ADTS 403 405 Calibration Manual English Chapter 2 Leak Test...

Page 17: ...Identification Number can be entered to prevent unauthorized entry into Calibration or Maintenance Mode To change the service PIN 1 Press 000 when the Main Calibration Menu is displayed 2 Enter the ne...

Page 18: ...Copyright 1996 Baker Hughes Company 8 ADTS 403 405 Calibration Manual English Chapter 3 PIN Protection...

Page 19: ...mple 4 The following screen then displays 5 Select the type of calibration to be carried out 6 Select the pressure source 7 Select the channel for calibration 8 Carry out the appropriate procedure in...

Page 20: ...on standard to atmospheric pressure Disconnect calibration standard from the static output 8 If there is no further calibration or testing required switch off the unit 4 4 Calibration Check of the Pit...

Page 21: ...nnect calibration standard to the pitot output 2 Adjust calibration standard to the first pressure value in Table 4 3 3 Compare the pressure value on calibration standard to the value displayed and re...

Page 22: ...Rotate the screw beneath the label fully counter clockwise When calibration is complete rotate the screw fully clockwise and fit a new calibration label 4 6 2 Pressure Source Select the pressure and...

Page 23: ...Pt channels to minimize calibration time and errors due to calibration standard non repeatability Connect the calibration standard to the pitot Pt output on the front panel Fit the blank on the Stati...

Page 24: ...ing the rate selected by RATE If necessary check the current AIM value by select AIM Press QUIT to return to the calibration screen OFF This switches the pressure controllers OFF to enable leak testin...

Page 25: ...ry out a leak test as detailed in Section 2 Set the unit to measurement mode main calibration external pressure source and Pt pitot calibration as detailed 4 1 1 Connect calibration standard to the pi...

Page 26: ...itot range sensors Note A label on the front panel of the ADTS 403 405 shows the full scale range of the Pitot sensor 8 Press F4 END The unit calculates the change in zero FS and span RD from the prev...

Page 27: ...sure and vacuum supplies need to be connected and the static Ps and pitot Pt outlets blanked To perform a rate calibration 1 Select RATE CAL and the unit automatically carries out a rate calibration T...

Page 28: ...Copyright 1996 Baker Hughes Company 18 ADTS 403 405 Calibration Manual English Chapter 4 Calibration...

Page 29: ...to return the current values of slope span offset zero and residual corrections curve fit The slope span offset zero values can then if necessary be adjusted and sent back and stored by the ADTS 403 4...

Page 30: ...by offset adjustment 5 2 Defining Elements for a Program 5 2 1 Terms Variables and Constants The following terms variables and constants are used in this section The elements to be used in the program...

Page 31: ...on point not being used 1 R n 0 2 NEXT N 5 2 3 To Find Pressure Errors Between Standard and ADTS 403 405 1 FOR n 1 to MAXPTS 2 Apply calibration pressure value from appropriate table 3 Store exact val...

Page 32: ...0 M 1 MAXSLOPE AND ABS C MAXOFFSET THEN NEWSLOPE OLDSLOPE M NEWOFFSET OLDOFFSET C 5 2 4 3 To Calculate New Residual Correction Values 1 FOR n 1 to MAXPTS 2 3 4 5 NEXT n 6 R 0 0 all other missed residu...

Page 33: ...libration Pressure inHg mbar 0 0 0 0 1 1 0 34 2 3 1 105 3 5 1 173 4 7 1 240 5 10 2 345 6 15 3 518 7 20 4 691 8 25 4 860 9 30 5 1033 10 34 5 1172 11 40 0 1355 Table 5 4 Pitot 850 knot Range Calibration...

Page 34: ...lish Chapter 5 Calibration using IEEE 488 SCPI Table 5 5 Pitot 1000 knot Range Calibration Pressures Point Calibration Pressure inHg mbar 0 0 0 0 1 1 0 34 2 5 1 173 3 10 2 345 4 20 4 691 5 30 5 1033 6...

Page 35: ...and calibrate Pt Reject Ps changes and return to calibrate Ps Complete Pt calibration Accept Pt changes and Quit Reject Pt changes and return to Pt calibration Go to new pressure set point Set Rate se...

Page 36: ...tion END CAL data entry YES NO Enter Actual value Accept Pt changes and Quit Reject Pt changes and return to calibration menu Complete calibration Ps Pt abs ACTUAL VALUE data entry Complete Ps calibra...

Page 37: ...ta entry ON OFF Go to new pressure set point Set Rate set point Turn controllers ON Turn controllers OFF Pt abs data entry AIM RATE data entry ON OFF Go to new pressure set point Set Rate set point Tu...

Page 38: ...Copyright 1996 Baker Hughes Company 28 ADTS 403 405 Calibration Manual English Appendix A Quick Reference...

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Page 40: ...kerhughes com Bangalore 91 9986024426 aneesh madhav bakerhughes com Milan 39 02 36 04 28 42 csd italia bakerhughes com Japan Netherlands Russia Tokyo 81 3 6890 4538 gesitj bakerhughes com Hoevelaken 3...

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