Hewlett Packard 425A Analog multimeter
Manufacturer:
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Model:
425A
Date:
1958
Category:
Group:
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 .
Manual type:
Service and User Manual
Pages:
51
Size:
5.21 Mbytes (5458354 Bytes)
Language:
english
Revision:
Revised
Manual ID:
00130-4
Date:
Quality:
Scanned document, all readable.
Upload date:
2012 07 21
MD5:
8fb8f4a21a5535c3812c7778282e322d
Downloads:
1030
Information
Serials prefixed: 142-
Includes Supplement A