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Fluke 175 Calibration Information Manual

True rms multimeters
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See also: User Manual , Calibration Information Manual
Introduction
To avoid electric shock or injury, do not perform the performance tests or
calibration procedures unless you are qualified to do so.
The information provided in this manual is for the use of qualified personnel
only.
The 175, 177, & 179 Calibration Information provides the information necessary to calibrate and verify
the performance of the Fluke Models 175, 177, and 179 True RMS Multimeters (hereafter known as the
Meter).
The following information is included in this document:
•
Safety Information and International Electrical Symbols (page 2)
•
Test Lead Alert (page 3)
•
Specifications (pages 3-6)
•
Testing and Replacing the Fuses (pages 6-7)
•
Replacing the Battery (page 7-8)
•
Cleaning (page 8)
•
Replacing the LCD (page 9)
•
Performance Tests (pages 10-13)
•
Calibration (page 14-16)
•
User-Replaceable Parts and Accessories (page 17-18)
•
Warranty Statement (page 19)
See the 175, 177, & 179 Users Manual for complete operating instructions.

Service Information

To contact Fluke, call:
1-888-99-FLUKE (1-888-993-5853) in USA
1-800-36-FLUKE (1-800-363-5853) in Canada
+31 402-678-200 in Europe
+81-3-3434-0181 Japan
+65-276-6196 Singapore
+1-425-446-5500 in other countries
For additional information about Fluke, its products, and services, visit Fluke's web site at:
www.fluke.com
To register this product, go to
1600476
PN
March 2001 Rev.2, 12/02
© 2001-2002 Fluke Corporation. All rights reserved. Printed in U.S.A.
WWarning
register.fluke.com
175, 177, & 179
True RMS Multimeters

Calibration Information

®
1

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Summary of Contents for Fluke 175

  • Page 1: Calibration Information

    The 175, 177, & 179 Calibration Information provides the information necessary to calibrate and verify the performance of the Fluke Models 175, 177, and 179 True RMS Multimeters (hereafter known as the Meter). The following information is included in this document: •...

  • Page 2: Safety Information

    175, 177, & 179 Calibration Information Safety Information WWarnings and Precautions To avoid possible electric shock or personal injury, and to avoid possible damage to the Meter or to the equipment under test, adhere to the following practices: • Before using the Meter, inspect the case. Do not use the Meter if it is damaged. Look for cracks or missing plastic.

  • Page 3: Test Lead Alert

    True RMS Multimeters Test Lead Alert Test Lead Alert WWarning Personal injury or damage to the Meter can occur if you attempt to make a measurement with a lead in an incorrect terminal. To remind you to check that the test leads are in the correct terminals, LEAd is displayed when the rotary switch is moved to or from any position.
  • Page 4 175, 177, & 179 Calibration Information Accuracy ± ( [ % of Reading ] + [ Counts ] ) Function Range Resolution Model 175 Model 177 Model 179 AC Volts 600.0 mV 0.1 mV 1.0 % + 3 1.0 % + 3 1.0 % + 3...
  • Page 5 True RMS Multimeters Specifications Accuracy ± ( [ % of Reading ] + [ Counts ] ) Function Range Resolution Model 175 Model 177 Model 179 DC Amps 60 mA 0.01 mA 1.0 % + 3 1.0 % + 3 1.0 % + 3...

  • Page 6: Testing The Fuses

    175, 177, & 179 Calibration Information Frequency Counter Sensitivity Typical Sensitivity (RMS Sine Wave) 45 Hz to 10 kHz to 20 kHz to 50 kHz to Input Range 2 Hz to 45 Hz 10 kHz 20 kHz 50 kHz 100 kHz...

  • Page 7: Replacing The Fuses

    True RMS Multimeters Replacing the Fuses 440 mA 11 A Ω Ω <12 <.5 HOLD MIN MAX RANGE aik12f.eps Figure 1. Testing the Current Fuses Replacing the Fuses WWarning To avoid electrical shock, arc blast, or damage to the Meter, install only fuses with the amperage, interrupt, and voltage, and speed ratings specified in Table 5.
  • Page 8 175, 177, & 179 Calibration Information aik13f.eps Figure 2. Battery and Fuse Replacement Cleaning W Warning To avoid electrical shock: • Remove test leads and any input signals before cleaning • Do not reinstall the pca until it is completely dry...

  • Page 9: Replacing The Lcd

    True RMS Multimeters Replacing the LCD Replacing the LCD Caution To prevent contamination, do not handle the conductive edges of the LCD or LCD interconnects. If the edges are contaminated, clean them with alcohol. Allow the alcohol to dry before reassembling. To remove and replace the LCD, perform the following procedure.

  • Page 10: Performance Tests

    In the performance tests, the Meter is referred to as the unit under test (UUT). Required Equipment A Fluke 5500A Multi-Product Calibrator (or equivalent) is required for the performance test procedures in this document. If an equivalent calibrator is used, it must meet the accuracy specifications shown in Table 1.

  • Page 11: Preparing For The Performance Test

    4. Check the fuses and battery, and replace them if necessary. Refer to "Replacing the Fuses" and "Replacing the Battery". Performance Tests 1. Set the UUT switch to the position called for in Table 2 (175) or Table 3 (177/179), and for all measurements other than current (amps), connect the calibrator to the VeG and input terminals.
  • Page 12 175, 177, & 179 Calibration Information Table 2. Performance Tests 175 (continued) Meter Response Test (Switch Position) 5520 Output Lower Limit Upper Limit 2.993 V DC 3.007 V DC DC Volts 300 V 299.3 V DC 300.7 V DC 1000 V...
  • Page 13 True RMS Multimeters Performance Tests Table 3. Performance Tests 177/179 Meter Response Test 5520 Output Lower Limit Upper Limit 300 mV 45 Hz 296.7 mV AC 303.3 mV AC 5 V 500 Hz 4.947 V AC 5.053 V AC AC Volts 5 V 1 kHz 4.897 V AC 5.103 V AC...

  • Page 14: Calibration Procedure

    175, 177, & 179 Calibration Information Table 4. Performance Tests 177/179 Meter Response Test 5520 Output Lower Limit Upper Limit 4.0 A 45 Hz 3.937 A AC 4.063 A AC AC Amps 9.0 A 1 kHz 8.84 A AC 9.16 A AC 0.003 A 45 Hz...
  • Page 15 True RMS Multimeters Calibration 6. When the last step in a function is reached, turn the knob to the next function required. The Meter will not allow a step to be completed if the knob is turned to the wrong function. Note If the calibration procedure is not completed correctly, the Meter will not operate correctly.
  • Page 16 175, 177, & 179 Calibration Information Table 5. Calibration Steps Function (Switch Position) Calibration Step Input Value C-01 6.000 V, 900.0 Hz (AC Volts) 600.0 mV, 100 Hz C-02 C-03 6.000 V, 100 Hz C-04 6.000 V (DC Volts) C-05 60.00 V...

  • Page 17: User-Replaceable Parts And Accessories

    1564773 Battery, 9 V (Alkaline, 9 V, 0-200 mA) 614487 Battery Door 1564799 Case Screws 832246 Tilt Stand 648961 LCD Elastomeric Connector 650264 To ensure safety, use exact replacement only. ** Fluke accessories are available from your authorized Fluke distributor.
  • Page 18 175, 177, & 179 Calibration Information aik16f.eps Figure 5. User-Replaceable Parts and Accessories...
  • Page 19 Lifetime Limited Warranty Each Fluke 20, 70, 80, 170 and 180 Series DMM will be free from defects in material and workmanship for its lifetime. As used herein, “lifetime” is defined as seven years after Fluke discontinues manufacturing the product, but the warranty period shall be at least ten years from the date of purchase.
  • Page 20 175, 177, & 179 Calibration Information...

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