Equipment information:

Keithley 181 Digital multimeter
Model: 181
Date: 1981
Category: Measurement instruments
Group: Digital multimeter
Description: Nanovoltmeter
                                    The Keithley Model 181 is a highly sensitive nanovoltmeter
with a large, easy to read 5½ or 6½ digit display. The Model
181 is unique in that it combines microprocessor technology
with a new concept in low-noise, high-gain front ends,
resulting in a programmable instrument with sensitivity
down to 10nV. The Model 181 provides highly accurate,
stable, low-noise readings on seven ranges for DC voltage
measurements between 1OnV and 1OOOV. The mV ranges
use a special low-thermal input connector, while connections
for the higher voltage ranges are made through two
S-way binding posts. Additional versatility is afforded by the
inclusion of an IEEE-488 interface which allows the unit to
communicate with other instrumentation.

These manuals are available for the above equipment:

Keithley -- 181 -- User Manual
File name: Keithley-3947-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 43
Size: 2.32 Mbytes (2436606 Bytes)
Language: english
Date: 1982
Quality: Scanned document, all readable.
Upload date:
MD5: a988a76e1f8c6d5e66b80e61eff198ff
ed2kID: 9e997e7baebfd61b73f7f75864897290
Downloads: 183 since 13 January 2013
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Keithley -- 181 -- Service Manual Supplement
File name: Keithley-5545-Manual-Page-1-Picture
Manual Type: Service Manual Supplement
Pages: 69
Size: 2.99 Mbytes (3134253 Bytes)
Language: english
Manual-ID/Number: 30816
Date: October 1981
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: 1b15f495cda9786f4677793d1e4e5037
ed2kID: e2e9ef4a76928b086f5571511aaff762
Downloads: 101 since 02 March 2014
This addendum to the Model 181 Service Manual is being
provided in order to supply you with
the latest information in the least possible time. Please
incorporate these changes into the manual
before servicing the Model 181.
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