History of the manufacturer
Electro Scientific Industries, Inc. (ESI); Portland, OR
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| Name: | Electro Scientific Industries, Inc. (ESI); Portland, OR (USA) |
| Abbreviation: | electrosci |
| Products: | Model types Others |
| Summary: |
Electro Scientific Industries, Inc. (ESI) Electro-Scientific Industries, Portland, Oregon. ESI is a manufacturer of precision electric and electronic instrumentation, such as AC and DC bridges. Also known for its popular Dekadials, precision resistor decade selectors, with up to four coaxial decades. |
| Founded: | 1944 |
| History: |
ESI was founded in 1944 as Brown Engineering, later becoming Brown Electro-Measurement Corporation (BECO). In 1953, BECO's Douglas C. Strain and three other investors bought out Strain's partners at Brown and formed a new company, Electro-Measurements Inc., which used the brand name "ESI" in marketing. The acronym stood for "excellent scientific instruments", but the company's name remained Electro Measurements Inc. until 1959, when it was changed to "ESI, Inc." and finally in 1960 to Electro Scientific Industries, Inc. (ESI). Prior to about 2000, the company was usually referred to as having been founded in 1953. Douglas Strain was the company's CEO and board chairman from 1953 until 1980 and remained on the board (continuing as chairman until 1985, then vice chairman) until fully retiring in 1999. ESI was sold to MKS Instruments, Inc. in 2019.
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This manufacturer was suggested by Emilio Ciardiello.
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 80 | Dekabox Decade Resistor DB62 | Genauigkeit: 0,01%.Bereich: 1 Ohm bis 1,111110 MOhm.6 Dekaden: 1 Ohm, 10 Ohm, 100 Ohm, 1 k... | |
| USA | 80 | Transformer Decade Dekatran DT1145 | Dekatran Decade Ratio Transformer. The Model DT1145 is for panel mounting. Data see Data ... | |
| USA | 82 | Standard Resistor SR1-10kOhm | The Model SR1 Standard Resistor is a laboratory standard of high accuracy and stability. T... | |
| USA | 80 | Standard Capacitor SC1000A | For calibration of working Standards; 20 ppm/year stabilitiy; Coaxial connections; Max Vo... | |
| USA | 70 | Dekavider DV411A | Precision 10 kOhm potentiometer. Three decade switches plus one continuously-variable pote... | |
| USA | 80 | Impedance Meter 251 | 4 terminal L-C-R bridge/meter. Ranges 199.9 pf - 199.9uF, 199.9uH - 199.9H, 199.9 mΩ - 19... | |
| USA | 80/81 | VideoBridge 2110 Auto LCR Meter | Auto LCR meter Measuring ranges: L: 10nH to 100kH C: 0.1 pF to 10 F R: 300 μOhm to... | |
| USA | 59 | Universal Impedance Bridge 250 DA | 6U5 | Unversal Impedance Bridge Model 250 DA. This is a high precision LRC bridge. It uses a DC ... |
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