Equipment information:

Hewlett Packard 425A Analog multimeter
Manufacturer:
Hewlett Packard
Model: 425A
Date: 1958
Category: Measurement instruments
Group: Analog multimeter
Description: DC-Microvolt-Anmeter
Information:
                                    The Model 425A DC Microvolt-Ammeter is an
extremely sensitive measuring device which measures
voltages from 1 microvolt to 1 volt and currents from
1 picoampere to 3 milliamperes. An input resistance
of 1 megohm on all voltage ranges minimizes errors
due to circuit loading. The Model 425A can make
measurements in circuits which are off ground potential,
for the chassis and input circuit may be isolated
from the cabinet. The Model 425A provides an output
which will drive either potentiometer or galvanometer
recorders. It will deliver up to 1milliampere at 1 volt .

These manuals are available for the above equipment:

Hewlett Packard -- 425A -- Service and User Manual
File name: HewlettPackard-3731-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 51
Size: 5.21 Mbytes (5458354 Bytes)
Language: english
Revision: Revised
Manual-ID/Number: 00130-4
Date: December 1963
Quality: Scanned document, all readable.
Upload date:
MD5: 8fb8f4a21a5535c3812c7778282e322d
ed2kID: 98748e8e9a52b1ec7a32b4fdcf99d7d3
Downloads: 182 since 21 July 2012
Information:
Serials prefixed: 142-

Includes Supplement A
HewlettPackard-3731-Manual-Page-1-Picture
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