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last update: 15. Aug 2012
Digital multimeters tests
HP 3456A - ac measurement
HP 3456A HP 3456A

Hewlett Packard 3456A is 6-digits laboratory multimeter with power supply and many functions and features.

range res 6 dig res 5 dig res 4 dig inp. imp. Max. inp. voltage
1.0 V 1 µV 10 µV 100 µV 1 MΩ
± 0.5%
± 1000V
peak
10.0 V 10 µV 100 µV 1 mV
100.0 V 100 µV 1 mV 10 mV
1000.0 V 1 mV 10mV 100 mV

Tested item has been produced in 1982 and fully renovated in 2006. Last calibration made in November 2008.

HP 3456A - tests results Fig. 1 - test results

Results of true RMS values in milivolts of sinus signal from APN-62 Rohde Schwarz generator at various frequences.

Date of tests: 15.July 2009

HP 3456A - measured errors Fig. 2 - measured errors

The graph shows errors of measured values dependings frequence. The highest error has 1 mV signal.

HP 3456A - measured errors Fig. 3 - measured errors, detail view

This graph is a part of previous graph. It shows errors of measured values dependings frequence in range from 20 Hz to 200 kHz and signals above 10 mV.