HP 3478A Service Manual

Other manuals for HP 3478A

Technical Manual150 pages

Operating Instructions103 pages

Quick Reference Guide3 pages

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Questions and Answers:

• M

  Melissa HernandezJul 27, 2025

  What causes A/D link fail on HP 3478A Multimeter?

  

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  • C

    Chad EdwardsJul 27, 2025

    The A/D Link failure occurs when the Chassis Common Processor (Main Controller, U501) cannot communicate with the Floating Common Processor (A/D Controller, U462).

    

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HP 3478A Specifications

General

Operating Temperature	0°C to 55°C
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance
DC Current Range	300 μA, 3 mA, 30 mA, 300 mA, 3 A
AC Current Range	300 μA, 3 mA, 30 mA, 300 mA, 3 A
Display	5.5 digit LED display

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