Keithley
Keithley Instruments was founded by Joseph F. Keithley in Cleveland, OH, in 1946.
In 1965, they moved to Solon, OH.
The company merged with Tektronix in 2010.
Documents
Links
- Keithley Instruments @ Wikipedia
- Keithley @ radiomuseum.org
Products by Keithley
Model | Class | Series | Description | Introduced | Discontinued |
---|---|---|---|---|---|
Keithley 160 | Multimeter | 3½-digit digital multimeter | 1975 | (?) | |
Keithley 175A | Multimeter | 4½-digit TRMS digital multimeter | (?) | (?) | |
Keithley 177 | Multimeter | 4½-digit TRMS digital multimeter | 1978 | (?) | |
Keithley 179 | Multimeter | 4½-digit TRMS digital multimeter | 1978 | (?) | |
Keithley 181 | Multimeter | 5½-digit nanovoltmeter | (?) | (?) | |
Keithley 182 | Multimeter | 6½-digit sensitive voltmeter | (?) | (?) | |
Keithley 191 | Multimeter | 5½-digit multimeter | 1979 | (?) | |
Keithley 192 | Multimeter | 6½-digit multimeter | 1979 | (?) | |
Keithley 193A | Multimeter | 6½-digit system multimeter | 1985 | (?) | |
Keithley 195 | Multimeter | 5½-digit TRMS digital multimeter | (?) | 1984 | |
Keithley 195A | Multimeter | 5½-digit TRMS digital multimeter | 1984 | (?) | |
Keithley 196 | Multimeter | 6½-digit system multimeter | 1986 | (?) | |
Keithley 197 | Multimeter | 5½-digit digital multimeter | (?) | (?) | |
Keithley 199 | Multimeter | 5½-digit multimeter | (?) | (?) | |
Keithley 220 | Power supply | Programmable current source | (?) | (?) | |
Keithley 224 | Power supply | Programmable current source | (?) | (?) | |
Keithley 227 | Power supply | Current source | 1976 | (?) | |
Keithley 230 | Power supply | Programmable voltage source | (?) | (?) | |
Keithley 244 | Power supply | Negative HV source | 1973 | (?) | |
Keithley 263 | Power supply | 5½-digit calibrator / source | (?) | (?) | |
Keithley 414A | Multimeter | Analog picoamperemeter | 1976 | (?) | |
Keithley 480 | Multimeter | Digital picoamperemeter | 1978 | (?) | |
Keithley 485 | Multimeter | Digital picoamperemeter | (?) | (?) | |
Keithley 502 | Multimeter | analog milliohmmeter | 1960 | (?) | |
Keithley 580 | Multimeter | 5½-digit microohmmeter | 1985 | (?) | |
Keithley 600A | Multimeter | Electrometer | (?) | (?) | |
Keithley 602 | Multimeter | Electrometer | (?) | (?) | |
Keithley 610 | Multimeter | Electrometer | 1960 | (?) | |
Keithley 610B | Multimeter | Electrometer | 1964 | (?) | |
Keithley 610C | Multimeter | Solid-state Electrometer | 1968 | (?) | |
Keithley 614 | Multimeter | Electrometer | 1981 | (?) | |
Keithley 615 | Multimeter | Electrometer | 1969 | (?) | |
Keithley 616 | Multimeter | Electrometer | 1975 | (?) | |
Keithley 617 | Multimeter | Electrometer/Source | 1984 | (?) |