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Arbiter Systems 1040C Manual

Calibrating meters and transducers with the panel meter calibrator
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CALIBRATING METERS AND TRANSDUCERS
WITH THE MODEL 1040C
PANEL METER CALIBRATOR
ARBITER SYSTEMS, INC.
1324 VENDELS CIRCLE, SUITE 121
PASO ROBLES, CA 93446
(805) 237-3831 FAX (805) 238-5717
PD0010800A 9-92
PD0010800A 9-92

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  • Page 1 CALIBRATING METERS AND TRANSDUCERS WITH THE MODEL 1040C PANEL METER CALIBRATOR ARBITER SYSTEMS, INC. 1324 VENDELS CIRCLE, SUITE 121 PASO ROBLES, CA 93446 (805) 237-3831 FAX (805) 238-5717 PD0010800A 9-92 PD0010800A 9-92...

  • Page 2: Table Of Contents

    Introduction ....................... 1 Using the 1040C for Calibrating Single Phase Devices..........2 A.C. Voltage....................2 A.C. Current ....................2 A.C. Power ....................3 A.C. Frequency ..................... 3 Phase Angle....................4 Power Factor ....................4 Volt-Amps and Volt-Amps Reactive ............5 Using the 1040C for Calibrating Polyphase Devices..........

  • Page 3: Introduction

    The which operate within the following ranges purpose of this document is to provide a can be calibrated with the 1040C: guideline for using the 1040C to calibrate commonly used meters and transducers. -A.C. Voltage: 1.5 Vrms to 750 Vrms.

  • Page 4: Using The 1040C For Calibrating Single Phase Devices

    An equal sign For more complete instructions on operation on the front panel display indicates that the of the 1040C in the ac current mode, refer to output voltage has stabilized at the desired section 2.5.5 of the operation manual.

  • Page 5: Power

    Typical circuit connections for single- For more complete instructions on operation phase ac watt meters and transducers are of the 1040C in the ac power mode, refer to given in figure 5. Calibration of these types section 2.5.6 of the operation manual.

  • Page 6: Phase Angle

    "Power Factor" key, uses an external current transformer, one of then using the adjust knob to vary the the current output leads of the 1040C should displayed power factor. This method be passed through the center of the current...

  • Page 7: Volt-Amps And Volt-Amps Reactive

    1040C, refer to figure 12. (refer to figures 5 and 6). The 1040C has a provision for displaying Typical applications of power factor and modifying both volt-amps and vars;...
  • Page 8 1040C in the volt-amps and volt-amps reactive modes, refer to section 2.5.6 of the operation manual.

  • Page 9: Using The 1040C For Calibrating Polyphase Devices

    1040C (refer to table 1.1 in the operation current output of the 1040C, and all of the manual). Multiple current meters may also voltage elements would be connected in...

  • Page 10: Phase Angle

    All current elements should be wired the leads of the 1040C should be passed through same way, and all voltage elements should be the center of the current transformer, and in phase.
  • Page 11 Regardless of the type of transducer or meter employed, the 1040C has a provision for direct calibration of power factor. As stated earlier in this document, the power factor in a circuit is equal to the cosine of the phase angle between the voltage and the current.

  • Page 12: Volt-Amps And Volt-Amps Reactive

    2.5.6 of the operation manual. The 1040C has a provision for displaying and modifying both volt-amps and vars; successively pressing the "Power" key during operation will first display watts, then vars, then volt-amps.

  • Page 13: Calibrating Transducers Using The Null Comparison Method

    Also, since the 1040C is a precision source and no external meters are necessary, the simplicity of the calibration procedure is about the same as that of the null comparison method.

  • Page 14: Connection Diagrams

    a) Voltmeter, Typical Installation, b) Voltmeter, Typical Installation, no Potential Transformer with Potential Transformer Inst. Inst. Output Output Pwr. Pwr. c) Voltage Transducer, Typical d) Voltage Transducer, Typical Installation, no Potential Transformer Installation, with Potential Transformer Figure 1 Single-Phase Voltage Meters and Transducers, Typical Circuit Connections...
  • Page 15 1040C 1040C a) Voltmeter Calibration Connections, b) Voltmeter Calibration Connections, no Potential Transformer with Potential Transformer Inst. Inst. Output Output Pwr. Pwr. 1040C 1040C c) Voltage Transducer Calibration Connections, d) Voltage Transducer Calibration Connections, no Potential Transformer with Potential Transformer...
  • Page 16 a) Current Meter, Typical Installation, b) Current Meter, Typical Installation, no Current Transformer with Current Transformer Inst. Inst. Output Output Pwr. Pwr. c) Current Transducer, Typical Installation, d) Current Transducer, Typical Installation, no Current Transformer with Current Transformer Figure 3 Single-Phase Current Meters and Transducers, Typical Circuit Connections...
  • Page 17 1040C 1040C a) Current Meter Calibration Connections, b) Current Meter Calibration Connections, no Current Transformer with Current Transformer Inst. Inst. Output Output Pwr. Pwr. 1040C 1040C c) Current Transducer Calibration Connections, d) Current Transducer Calibration Connections, no Current Transformer with Current Transformer...
  • Page 18 Voltage Current Connections Connections Current Voltage Connections Connections W/Var/PF W/Var/PF a) W/Var/PF Meter, Typical Installation, b) W/Var/PF Meter, Typical Installation, no Current or Potential Transformers with Current and Potential Transformers Inst. Inst. Output Output Pwr. Pwr. Current Voltage Current Voltage Connections Connections Connections...
  • Page 19 Current Voltage Connections Connections Current Voltage Connections Connections W/Var/PF W/Var/PF 1040C 1040C a) W/Var/PF Meter Calibration Connections, b) W/Var/PF Meter Calibration Connections, no Current or Potential Transformers with Current and Potential Transformers Inst. Inst. Output Output Pwr. Pwr. Current Voltage...
  • Page 20 Outputs, To DVM(s) Inst. Pwr. Total Burden Current = . . . 1040C Where: Output Voltage of 1040C = Impedance of Transducer or Meter x, at Frequency a) Transducers of Operation c) Burden Calculation 1040C b) Meters Figure 7 Calibration of Multiple Voltage Transducers or Meters...
  • Page 21 Outputs, To DVM(s) Inst. Pwr. Total Burden Voltage = . . . Where: Output Current of 1040C 1040C = Impedance of Transducer x at Frequency of Operation a) Transducers c) Burden Calculations 1040C b) Meters Figure 8 Calibration of Multiple Current Transducers or Meters...
  • Page 22 Inst. Output Pwr. a) Circuit Connections for Power Measurement in a 3 Phase, 4 Wire System, using a 3-Element Transducer Inst. Output Pwr. b) Circuit Connections for Power Measurement in a 3 Phase, 3 Wire System, Using a 2-Element Transducer Figure 9 Multi-Phase Power Measurement Techniques...
  • Page 23 Inst. Output Pwr. (to D.V.M.) 1040C Figure 10 Calibration Connections for 3-Element Watt Transducer. Current and Potential Transformers are included for reference.
  • Page 24 Inst. Output Pwr. (to D.V.M.) Note: Wiring Also Applies for 3 Phase 3 Wire System a) Typical Circuit Connections Inst. Output Pwr. (to D.V.M.) 1040C b) Typical Calibration Connections Figure 11 Phase Angle Transducer...

  • Page 25: Phase, Power Factor, And Var Convention Diagram

    Example: Watts = Vrms • Irms • Cos θ is lagging voltage. VA = Vrms • rms Phase Angle = -90˚ Figure 12 Phase, Power Factor, and VAR Conventions Employed by the 1040C Panel Meter Calibrator...

  • Page 26: Appendix A Meter Examples

    Appendix A Meter Examples The following pages contain connection diagrams for use in calibrating various types of Yokogawa panel meters. These illustrations are for reference only; the manufacturer's data sheets should be consulted to insure proper connections.
  • Page 27 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT A C V O LT M E T E R Y O K O G AWA 1 0 3 0 2 1 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT...
  • Page 28 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT 3 W IR E , 3 P H A S E WAT T M E T E R YOKOGAWA 10322 103712 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT Black...
  • Page 29 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT Black Black S IN G L E P H A S E WAT T M E T E R A N D VA R M E T E R YOKOGAWA 10321...
  • Page 30 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT 4 W IR E , 3 P H A S E , 2 1 /2 E L E M E N T VA R M E T E R YOKOGAWA 10329...
  • Page 31 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT Black Black S IN G L E P H A S E P O W E R FA C TO R M E T E R YOKOGAWA 103412 1040C PANEL METER CALIBRATOR AUX.
  • Page 32 1040C PANEL METER CALIBRATOR AUX. V. REMOTE VOLTAGE CURRENT Black 4 W IR E , 3 P H A S E P O W E R FA C TO R M E T E R YOKOGAWA 103472...

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