Baker Hughes Druck ADTS405 Calibration Manual
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Baker Hughes Druck ADTS405 Calibration Manual

Air data test system
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ADTS403/405
Air Data Test System
Calibration Manual
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Summary of Contents for Baker Hughes Druck ADTS405

  • Page 1 ADTS403/405 Air Data Test System Calibration Manual Druck.com...
  • Page 3 For procedures in Section 5 (“Calibration using IEEE 488 SCPI”) a qualified person must be trained and qualified in both IEEE 488 communications and test programming. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | i...
  • Page 4 Do not exceed the maximum working pressure of the instrument. RISK OF ELECTRIC SHOCK The ground lead of the instrument must be connected to the AC supply protective safety ground. Isolate the power supply before making any electrical connections. Copyright 1996 Baker Hughes Company. ii | ADTS403/405 Calibration Manual–English...
  • Page 5 Institute of Electrical and Electronic Engineers standard 488 data Inch inHg Inches of mercury O @ 4°C Inches of water at 4°C O @ 20°C Inches of water at 20°C Kilogram Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | iii...
  • Page 6 To bring into line; to line up; to bring into precise adjustment, correct relative position or coincidence. Assemble To fit and secure together the several parts of; to make or form by combining parts. Copyright 1996 Baker Hughes Company. iv | ADTS403/405 Calibration Manual–English...
  • Page 7 To put back into a desired position, adjustment or condition. Service To perform such operations as cleaning, lubricating and replenishing to prepare for use. Test Ascertain by using the appropriate test equipment that a component or system functions correctly. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | v...
  • Page 8 Copyright 1996 Baker Hughes Company. vi | ADTS403/405 Calibration Manual–English...

  • Page 9: Table Of Contents

    5.2.2 To Find Existing Calibration Data 5.2.3 To Find Pressure Errors Between Standard and ADTS403/405 5.2.4 To Decide if Correction Should be Carried Out Calibration Pressures Appendix A. Quick Reference Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | vii...
  • Page 10 Copyright 1996 Baker Hughes Company. viii | ADTS403/405 Calibration Manual–English...

  • Page 11: Introduction

    Rate calibration does not affect the pressure measurement accuracy. 1.3 IEEE 488 SCPI Interface Calibration facilities are also available over the IEEE 488 SCPI interface. These comprise the following: Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 1...

  • Page 12: Equipment Specification

    A pressure standard connects to the output and measures the generated pressure. The external pressure source selection uses the ADTS in the measure mode with a pressure standard providing the pressure source. Copyright 1996 Baker Hughes Company. 2 | ADTS403/405 Calibration Manual–English...

  • Page 13: Notes On Calibration

    Calibration values that exceed the range of a channel will be ignored as a calibration value for that channel. • The [END PS] and the closing of the valve prevents the Ps (static) transducer from receiving an overpressure. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 3...
  • Page 14 Chapter 1. Introduction Copyright 1996 Baker Hughes Company. 4 | ADTS403/405 Calibration Manual–English...

  • Page 15: Leak Test

    Do not vent to atmosphere. Repeat twice more. Apply a suitable pressure, allow to stabilize and leak test the ADTS and calibration system. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 5...
  • Page 16 Chapter 2. Leak Test Copyright 1996 Baker Hughes Company. 6 | ADTS403/405 Calibration Manual–English...

  • Page 17: Pin Protection

    To change the service PIN: Press 000 when the Main Calibration Menu is displayed: (CALIBRATION) F1 Main Calibration F2 Calibration Check F3 Rate Calibration Enter the new PIN. Enter 0000 to disable PIN protection. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 7...
  • Page 18 Chapter 3. PIN Protection Copyright 1996 Baker Hughes Company. 8 | ADTS403/405 Calibration Manual–English...

  • Page 19: Calibration

    Note: The tolerance quoted in the following tables may need to be adjusted to allow for measurement uncertainties of the calibration standard in use. The limits stated relate to the Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 9...

  • Page 20: Calibration Check Of The Static Channel

    Press [ENTER] and display prompts for the next pressure value. Repeat (2) and (3) for pressure No. 2 to 11 in Table 4-2; points 12 to 13 are used on the 1000 knot Pitot range sensor. Copyright 1996 Baker Hughes Company. 10 | ADTS403/405 Calibration Manual–English...

  • Page 21: Calibration Check Of The Combined Pitot And Static Channels

    Compare the pressure value on calibration standard to the value displayed and record the difference. Press [ENTER] and display prompts for the next pressure value. Repeat (2) and (3) for pressure No. 2 to 8 in Table 4-3. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 11...
  • Page 22 The limits stated relate to the published, minimum specification for the equipment entering service. Acceptance limits may vary at the user’s discretion for specific applications. b. Pitot only. c. 1000 knot Pitot (Pt) range. Copyright 1996 Baker Hughes Company. 12 | ADTS403/405 Calibration Manual–English...

  • Page 23: Main Calibration

    (Pt) channel only. Calibration Points Following calibration initialization, the calibration entry screen appears, showing the present measured static (Ps) and pitot (Pt) values. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 13...
  • Page 24 Select [RATE] then enter the required rate of change of pressure using the units shown on the display. CAUTION The rate values are not limit checked. Make sure that the required rate is correctly entered. High rates of change can damage sensitive equipment. Copyright 1996 Baker Hughes Company. 14 | ADTS403/405 Calibration Manual–English...

  • Page 25: Calibration And Adjustment Of The Static Channel

    1000 knot Pitot range sensors. Note: A label on the front panel of the ADTS403/405 shows the full-scale range of the Pitot sensor. After the last pressure value press [END] F4. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 15...

  • Page 26: Calibration And Adjustment Of The Combined Static And Pitot Channels

    Note: After adjustment, Ps precision against the calibration standard shall be ≤ 0.6 mbar, Pt precision shall be ≤ 0.14 mbar for 850 knot models and ≤ 0.17 mbar for 1000 knot models. Copyright 1996 Baker Hughes Company. 16 | ADTS403/405 Calibration Manual–English...

  • Page 27: Completion

    Select [RATE CAL] and the unit automatically carries out a rate calibration. The display shows “Rate calibration please wait” message for approximately two minutes. Press the QUIT key exit this menu and return to control mode. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 17...
  • Page 28 Chapter 4. Calibration Copyright 1996 Baker Hughes Company. 18 | ADTS403/405 Calibration Manual–English...

  • Page 29: Calibration Using Ieee 488 Scpi

    The calibration pressures used should ideally be the given values, shown in the following tables. A permissible tolerance of ± 2 mbar can be entered providing the exact pressures are entered in Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 19...

  • Page 30: Defining Elements For A Program

    Maximum allowable offset change in mbar (specified by user). Sensor full-scale taken from Table 5-1. Change in slope. Change in offset. The elements to be used in the program are found or calculated in the following: Copyright 1996 Baker Hughes Company. 20 | ADTS403/405 Calibration Manual–English...

  • Page 31: To Find Existing Calibration Data

    FOR n = 1 to MAXPTS COMP403/405(n) = AVE403/405 (n) + (R(n) * FS/1E6)/OLDSLOPE SX = SX + STANDARD_PRESSURE(n) SX2 = SX2 + (STANDARD_PRESSURE(n) * STANDARD_PRESSURE(n)) SY = SY + COMP405(n) Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 21...
  • Page 32 R n   NEXT(n) R(0) = 0, all other missed residuals set to 0. 5.2.4.4 To Install New Calibration Data Send NEWSLOPE, NEWOFFSET and R(0) to R(11) to ADTS403/405 using CAL:ADJ command. Copyright 1996 Baker Hughes Company. 22 | ADTS403/405 Calibration Manual–English...

  • Page 33: Calibration Pressures

    40.0 1355 Table 5-4: Pitot - 850 knot Range Calibration Pressures Calibration Pressure Point inHg mbar 10.2 15.3 20.4 25.4 30.5 1033 38.7 1311 50.9 1724 63.1 2137 80.0 2709 Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 23...
  • Page 34 Table 5-5: Pitot - 1000 knot Range Calibration Pressures Calibration Pressure Point inHg mbar 10.2 20.4 30.5 1033 38.7 1311 50.9 1724 63.1 2137 77.4 2621 89.6 3034 103.3 3500 Copyright 1996 Baker Hughes Company. 24 | ADTS403/405 Calibration Manual–English...

  • Page 35: Appendix A. Quick Reference

    Accept Ps changes and calibrate Pt. [NO] Reject Ps changes and return to calibrate Ps. [END CAL] Complete Pt calibration. [YES] Accept Pt changes and Quit. [NO] Reject Pt changes and return to Pt calibration. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 25...
  • Page 36 Turn controllers ON. [OFF] Turn controllers OFF. [Pt (abs)] [AIM] data entry Go to new pressure set-point. [RATE] data entry Set Rate set-point. [ON] Turn controllers ON. [OFF] Turn controllers OFF. Copyright 1996 Baker Hughes Company. 26 | ADTS403/405 Calibration Manual–English...
  • Page 37 Set Rate set-point. [ON] Turn controllers OFF. [OFF] Turn controllers ON. [END Ps] Exit Ps check, continue with Pt check. [RATE CALIBRATION] [000] data entry Set Service (Calibration) PIN. Copyright 1996 Baker Hughes Company. English–ADTS403/405 Calibration Manual | 27...
  • Page 38 Appendix A. Quick Reference Copyright 1996 Baker Hughes Company. 28 | ADTS403/405 Calibration Manual–English...
  • Page 40 Copyright 1996 Baker Hughes Company. This material contains one or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries. All third- party product and company names are trademarks of their respective holders. bakerhughes.com...

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