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PEWA Fluke 1750 Calibration Manual

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1750
Power Recorder
Calibration Manual
November 2007 Rev. 1, 12/08
© 2007-2008 Fuke Corporation, All rights reserved. Product specifications are subject to change without notice.
All product names are trademarks of their respective companies.

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Summary of Contents for PEWA Fluke 1750

  • Page 1 ® 1750 Power Recorder Calibration Manual November 2007 Rev. 1, 12/08 © 2007-2008 Fuke Corporation, All rights reserved. Product specifications are subject to change without notice. All product names are trademarks of their respective companies.
  • Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days.

  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction......................1 Contacting Fluke....................1 Safety Information ..................... 2 Symbols ......................3 Specifications for the System: Recorder and Power Analyze Software .... 3 General Specifications................... 3 Input Specifications ..................3 Synchronization and Sampling..............4 Voltage and Current Measurements .............. 4 Voltage and Current Measurement Accuracy ..........
  • Page 4 1750 Calibration Manual...
  • Page 5 List of Tables Table Title Page Symbols........................3 Required Equipment....................6 Required Cables ..................... 7 AC Voltage Accuracy Verification ................ 9 Neutral (AC) Voltage Accuracy Check ..............10 Rogowski Current Accuracy Check ............... 11 CT Current Accuracy Check .................. 11 Impulse Verification Inputs..................
  • Page 6 1750 Calibration Manual...
  • Page 7 List of Figures Figure Title Page Power View Software Live View................9 Ground Calibration Cable ..................16 Rogowski Calibration Cable .................. 17 Rogowski Resistor Measurement Cable ..............18 Voltage Calibration Cable..................19 Current Calibration Cable ..................20...
  • Page 8 1750 Calibration Manual...

  • Page 10: Safety Information

    1750 Calibration Manual...

  • Page 11: Symbols

    Power Recorder Symbols Symbols Symbols used in this manual and on the Recorder are listed in Table 1. Table 1. Symbols Hazardous voltage. Risk of electrical Risk of danger. Important information. See shock. manual. Conforms to requirements of European Do not dispose of this product as unsorted Union and European Free Trade municipal waste.

  • Page 12: Synchronization And Sampling

    1750 Calibration Manual Synchronization and Sampling PLL-Synchronization Source......The PLL synchronizes to the A-N voltage for wye power types, and to the A-B voltage for delta power types. All listed power types can be characterized as either wye or delta. PLL Lock Range..........

  • Page 13: Power And Pf Measurement

    Power Recorder Specifications for the System: Recorder and Power Analyze Software Measurement Accuracy ........Same as rms voltage Voltage Dip (RMS sag) Measurement Type ..........True rms (one cycle calculation by overlapping each half cycle) (voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines) Displayed Data ...........

  • Page 14: Environmental And Safety Specifications

    1750 Calibration Manual Environmental and Safety Specifications Operating Environment ........indoors or in covered area outdoors, up to 2000 m altitude Storage Temperature and Humidity....-20 °C to 50 °C, 80 % rh max, non-condensing Operating Temperature and Humidity ....0 °C to 40 °C, 80 % rh max, non-condensing Maximum Rated Working Voltage Voltage Terminals ..........
  • Page 15 Power Recorder Required Equipment The cables listed in Table 3 are necessary for verification and calibration adjustment. To assemble the cables, see cable assembly figures in the Test Cables section. Table 3. Required Cables Cable Required Characteristics Notes Ethernet cable CAT 5 with RJ-45 connectors Supplied with the Recorder Voltage calibration cable...

  • Page 16: Verification Tests

    1750 Calibration Manual Verification Tests XWWarning To avoid electrical shock, personal injury, or fire: • Do not perform the calibration procedures or calibration verification tests described in this manual unless you are qualified to do so. • Repairs or servicing should be performed only by qualified personnel.
  • Page 17 Power Recorder Verification Tests power analyze live view screen.bmp Figure 1. Power View Software Live View 7. Connect the calibrator NORMAL HI to inputs A, B, C, and J of the Recorder. 8. Connect the NORMAL LO to input N and the protective conductor terminal . of the Recorder.

  • Page 18: Neutral Voltage Verification

    1750 Calibration Manual Neutral Voltage Verification 1. Connect NORMAL LO to A, B, C, J, and .. 2. Connect the calibrator NORMAL HI to N on the Recorder. 3. Apply the voltages from Table 5, listing the Recorder readings for the appropriate model.

  • Page 19: Ct Current Verification

    Power Recorder Verification Tests Table 6. Rogowski Current Accuracy Check Applied Expected Expected A Reading B Reading C Reading N Reading G Reading Limits Voltage Current Reading 6.49 μA 0.649 V 20 A ± 0.20 A 6.225 μA 1.6225 V 50 A ±...

  • Page 20: Watt Verification

    1750 Calibration Manual Watt Verification 1. Use the same connections as the CT current verification and apply 440 V and local line frequency out of the NORMAL output and 1.9 V on the AUX output. 2. Click on the power button in Power Analyze. The A, B and C should be 41.8 kW ± 0.3 kW.
  • Page 21 Power Recorder Verification Tests 17. Set the calibrator to 1000 V 10 kHz. 18. Connect the voltage test cable to UUT voltage input J for approximately 15 seconds, then disconnect. Note, this signal is designated G in Power Analyze. 19. Press STBY on the calibrator. 20.

  • Page 22: Calibration

    1750 Calibration Manual Table 8. Impulse Verification Inputs Applie Expected Measured Magnitude Limits Reading Channel Voltage |Vpk| [Vpk] [Vpk] [Vrms] 1131 AN (A) ± 77 1202 BN (B) ± 80 1273 CN (C) ± 84 1344 NG (N) ± 87 1000 1414 NG (G)
  • Page 23 Power Recorder Calibration Calibration is controlled by 1750 Cal Wizard Software (Cal Wizard), which communicates with the Recorder over Ethernet. Cal Wizard steps through the calibration procedure, with instructions for making cable connections, setting the correct sources, and finalizing the calibration. The following steps detail the calibration adjustment procedure: 1.

  • Page 24: Test Cables

    1750 Calibration Manual Test Cables The following figures detail the assembly of cables used for calibrating the Recorder. fdo02.eps Figure 2. Ground Calibration Cable...
  • Page 25 Power Recorder Test Cables fdo01.eps Figure 3. Rogowski Calibration Cable...
  • Page 26 1750 Calibration Manual fdo05.eps Figure 4. Rogowski Resistor Measurement Cable...
  • Page 27 Power Recorder Test Cables fdo03.eps Figure 5. Voltage Calibration Cable...
  • Page 28 1750 Calibration Manual fdo04.eps Figure 6. Current Calibration Cable...

This manual is also suitable for:

Fluke fl1750bFluke fl1750b-nt

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