Keithley 181

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Keithley 181
5½-digit nanovoltmeter
Keithley 181 frontal view

Produced from (?) to (?)

Manuals
ROM Images
File Pos. Checksum
PRO-106 B9 00068BBF
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Keithley 181 is a digital voltmeter marketed as a nanovoltmeter because it has 10 nV display resolution in the 2 mV (FS) range.

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 nVp-p on lowest range with filter on
Features GPIB standard

please expand

Links

Pictures

Components

Some Parts Used in the Keithley 181

Part Part Number(s) Class Description Used in
2732 Monolithic integrated circuit 4K×8 EPROM 2445A 2455A 2465A 2467 DM5010 Keithley 181 Keithley 192 Keithley 220 Keithley 224 TransEra 741-RTC
LM399 156-0783-00 Monolithic integrated circuit heated zener reference DM5120 DM5520 Keithley 181 Keithley 182 Keithley 191 Keithley 192 Keithley 193A Keithley 196 1410 1411 1412
MC68488 156-1246-00 Monolithic integrated circuit GPIB controller 7250 7854 CG551AP CG5001 CG5010 CG5011 Keithley 181 Keithley 192
MOS Technology 6522 156-1539-00 Monolithic integrated circuit "Versatile Interface Adapter (VIA)" FG5010 MI5010 SI5010 Keithley 181 Keithley 181A Keithley 192 Keithley 193A Keithley 195 Keithley 195A Keithley 196 Keithley 199 Keithley 220 Keithley 224 Keithley 230
Motorola 6800 156-0426-00 156-2413-00 156-5472-01 Monolithic integrated circuit 8-bit microprocessor 021-0206-00 021-0374-00 067-0902-00 067-1137-99 222 222A 222PS 2424L 2445 2465 2467 4051 7250 7912 7912AD 7A16P 7A29P 7B81P 7B90P 833 834 835 836 CG5001 CG551AP CG5010 CG5011 DF1 DF2 DM5010 FG5010 MI5010 SI5010 PS5004 PS5010 SG5010 Keithley 181 Keithley 182 Keithley 175 Keithley 175A Keithley 191 Keithley 192 Keithley 195 Keithley 195A Keithley 197 Keithley 220 Keithley 224 Keithley 230 Keithley 263 Keithley 485 Keithley 580 Keithley 617
Motorola 6810 156-0716-00 Monolithic integrated circuit 128×8 static RAM 021-0206-00 DF1 DF2 Keithley 181