04-24-2022, 02:07 PM
Terry,
Thanks for the the tips. There are no batteries in my Hewlett Packard Model 400H. There is only one screw on the meter itself to zero the meter. On settings below 10 volts RMS I can no longer zero the meter. I'm hoping I'll see some movement at this setting?
Thanks for the the tips. There are no batteries in my Hewlett Packard Model 400H. There is only one screw on the meter itself to zero the meter. On settings below 10 volts RMS I can no longer zero the meter. I'm hoping I'll see some movement at this setting?