Keithley 181

The Keithley 181 is a digital nanovoltmeter.

Keithley 181
Nanovoltmeter Keithley 181 frontal view Produced from (?) to (?) Manuals please add (All manuals in PDF format unless noted otherwise)

Key Specifications

Voltage	2 mV to 200 mV FS in decade ranges on "mV" input, 2 V to 1000 V FS in decade ranges on "V" input
Input	>1 GΩ, max. 120 V on "mV" input, 10 MΩ, max. 1000 V on "V" input
Resolution	5½ digits (10 nV to 10 mV LSD
Noise	<30 nV_p-p on lowest range with filter on
Features	GPIB standard

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