Keithley 193A

6½-digit system multimeter

Produced from 1985 to (?)

Manuals

Keithley 193A Manual, 1985
Keithley 193A Manual Rev.A, 1985

ROM/PLD Images

File	Pos.	Checksum

(Manuals are OCRed PDF files unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Keithley 193A System DMM is a 6½-digit digital TRMS multimeter.

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Key Specifications

Voltage DC	200 mV to 1000 V in decade ranges
Voltage AC	2 V to 700 V in decade ranges (3 dB bandwith typical 500 kHz) (Option 1930)
Current DC	200 μA to 2 A in decade ranges (Option 1931)
Current AC	200 μA to 2 A in decade ranges (Option 1930 and 1931)
Resistance	200 Ω to 200 MΩ in decade ranges (4-Wire)
Temperature	(over IEEE Bus only) Thermocouple (J, K, T, E, R, S, B) and RTD 100
Power	105–125 or 210-250 V, 50–60 Hz, 40 VA (Optional 90-110 V or 180 V-220 V Range)

Links

Brief Teardown: Keithley 193 System DMM @ EEVblog forum

Documents Referencing Keithley 193A

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Pictures

Components

Some Parts Used in the Keithley 193A

Part	Part Number(s)	Class	Description	Used in
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
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 6809	156-1494-00 • 156-1494-01	Monolithic integrated circuit	8-bit microprocessor	2424L • 2430 • 2430A • 2440 • 7D20 • 7250 • DM5120 • DM5520 • Keithley 193A • Keithley 196 • Keithley 199
TMS9914	156-1444-00 • 156-1444-01 • 156-6223-02	Monolithic integrated circuit	GPIB controller	11301 • 11301A • 11302 • 11302A • 2220 • 2221 • 2224 • 2230 • 2424L • 2430 • 2430A • 2440 • 370 • 370A • 370B • 371 • 371A • 4041 • 4052A • 4054A • 021-0374-00 • 067-1137-99 • AA5001 • AM700 • DA4084 • DC5009 • DC5010 • DM5010 • DM5110 • DM5120 • DM5520 • FG5010 • MI5010 • SG5010 • SG5030 • SI5010 • SI5020 • PS5004 • PS5010 • Keithley 175 • Keithley 175A • Keithley 182 • Keithley 193A • Keithley 195 • Keithley 195A • Keithley 196 • Keithley 197 • Keithley 199 • Keithley 220 • Keithley 224 • Keithley 230 • Keithley 263 • Keithley 485 • Keithley 617 • TDS420 • TDS420A • TDS460 • TDS520