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HP 973a - User Manual

HP 973a
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HP 972A and 973A Multimeter
User’s Guide
Part Number 00972-90002
March 1995
© Copyright Hewlett-Packard Company 1994, 1995
All Rights Reserved

Questions and Answers

  • J
    Jesse MccartyAug 9, 2025
    What to do if the battery annunciator is on in my HP 973a Multimeter?
    • R
      Reginald HallAug 9, 2025
      If the battery annunciator is on in your HP Multimeter, it indicates low battery voltage. You should replace the batteries to resolve this issue.
  • L
    Laura WallsAug 16, 2025
    How to fix HP 973a Multimeter that won’t turn on?
    • M
      maryjonesAug 16, 2025
      If your HP Multimeter won’t turn on, the most likely cause is dead batteries. Replace the batteries to solve this problem.
  • J
    Jerry PierceAug 23, 2025
    What to do if my HP 973a Multimeter display flashes and beeps rapidly?
    • M
      Melinda AdamsAug 23, 2025
      If your HP Multimeter's display is flashing and beeping rapidly, it could be due to two reasons. First, the input limit might have been exceeded, in which case you should remove the test leads and press any key to reset the unit. Second, the test leads might be in the wrong terminal for the measurement function. Try changing the test leads or adjusting the function switch position.
  • J
    james36Aug 31, 2025
    How to fix HP Multimeter when it won’t turn off?
    • J
      jessica59Aug 31, 2025
      If your HP Multimeter won’t turn off, it's likely because the input limit has been exceeded. To resolve this, remove the test leads and press any key to reset the device.

Summary

Safety Summary

Maximum Overvoltage Limitations

Maximum voltage limits for various functions to prevent damage and ensure safety.

Instrument Operation

Calibration and Adjustment Procedures

Calibration Procedure Steps

Detailed sequence of actions for calibrating the multimeter's functions and ranges.

Instrument Maintenance

Troubleshooting Guide

Common problems encountered with the multimeter and suggested solutions.

Technical Specifications

DC Voltage Specifications

Accuracy, resolution, range, and input resistance for DC voltage measurements.

AC Voltage Specifications (972 A;973 A)

Accuracy and input impedance details for AC voltage measurements on both models.

AC+DC Voltage and DC Current Specs

Specifications for combined AC/DC voltage and DC current measurements.

AC Current, Resistance, Continuity, Diode

Specifications for AC current, resistance, continuity testing, and diode testing functions.

Capacitance and Frequency Specs

Accuracy and operating ranges for capacitance and frequency measurements.

Calibration Adjustments

HP 973a Specifications

General IconGeneral
BrandHP
Model973a
CategoryMultimeter
LanguageEnglish

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