History of the manufacturer
Keithley Instruments Inc.; Cleveland (OH)
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| Name: | Keithley Instruments Inc.; Cleveland (OH) (USA) |
| Abbreviation: | keithley |
| Products: | Others |
| Summary: |
Keithley started building equipment for ultra-low-level voltage and current measurement, known in metrology laboratories worldwide. Today it still produces DMMs in addition to other RF and ATE equipment. |
| Founded: | 1946 |
| History: |
Keithley Instruments Inc. was founded in 1946 by Joseph F. Keithley in Cleveland, Ohio.
1956: First overseas distributor in Japan 1963: First overseas office in Europe In 2010, Keithley Instruments joined Tektronix as part of its test and measurement portfolio. |
This manufacturer was suggested by Emilio Ciardiello.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 78 | Digital Multimeter 178 | 4 1/2 digitos, AC/DC 0-1000V, 0-20 MOhm. | |
| USA | 68 | Differential Voltmeter 660A | 7025 | The Keithley 660A is a differential voltmeter, which can be used as potentiometer or as VT... |
| USA | 79 | Digital Multimeter 169 DMM | The Keithley 169 Digital Multimeter has five functions: DCV (200 mV to 1000 V), DCA (200 µ... | |
| USA | 74 | Digital Multimeter Autoranging DMM 168 | The Keithley 168 is a verstile 4-digit autoranging digital multimeter useful for measureme... | |
| USA | 82 | Digital Multimeter 129 | Pocket-Multimeter mit LCD-Anzeige. 25 Messbereiche - 10 Strombereiche für Gleich- und Wech... | |
| USA | 80 | Digital Multimeter 130 [late] | 2N3904 | Keithley, Digital Multimeter 130 (late). Vielfachmeßgerät 130, Innenwiderstand 10 Megoh... |
| USA | 54 | Electrometer 210 | Input resistance greater than 10 exp-14 ohms, grid current below 10 exp-13 amps, drift low... | |
| USA | 62 | DC Tube Voltmeter 600 A | Multi-purpose electrometer and accessories. 0-10 V (7 band)Precision:+/- 2%. | |
| USA | 62 | DC Tube Voltmeter 610 A | 0-100 V, Precision:+/- 2%. | |
| USA | 85 | Digital Multimeter 195A | ||
| USA | 78 | Digital Multimeter 179 | Optional battery pack 1788; DC: 200 mV - 1200 V; AC: 200 mV - 1000 V; DC and AC true ... | |
| USA | 75 | Digital Multimeter 160B | Keithley Digital Multimeter 160B; 1 µV - 1.200 VDC, 10 pA - 2 ADC, 1 mOhm - 2000... |
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Further details for this manufacturer by the members (rmfiorg):
| Data Compliance | More Information |