Author Topic: HP 400 series analog AC voltmeters  (Read 821 times)

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Offline 001Topic starter

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HP 400 series analog AC voltmeters
« on: July 17, 2018, 02:22:34 pm »
Anybody know, what model is best for hum measurments?
What about latest versions? Did You knew IC-based variants?
« Last Edit: July 17, 2018, 04:10:44 pm by 001 »
 

Offline precaud

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Re: HP 400 series analog AC voltmeters
« Reply #1 on: July 17, 2018, 07:15:00 pm »
I always preferred the 400F/FL, with its 100uV F.S sensitivity on the lowest range, and switchable 100kHz low-pass filter.
 
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