History of the manufacturer
Sanwa Electric Instrument Co., Ltd.; Tokyo
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| Name: | Sanwa Electric Instrument Co., Ltd.; Tokyo (J) |
| Abbreviation: | sanwaelec |
| Products: | Others |
| Summary: |
Sanwa Electric Instrument Co., Ltd. The product ranges they provide are Digital multimeters including development of software for data logging, analog multitesters, clamp meters, insulation resistance testers, earth testers, thermometers, optical laser power meters, lux meters, cord testers, and standard calibrators. |
| Founded: | 1941 |
| Production: | 1941 - |
| History: |
Some devices sold with the Sanwa logo were labeled Sanwa Radio Measurement Works, Tokyo.
As of now, it is unclear if this name designates a subsidiary of Sanwa Electrical Instrument, or a different company. |
This manufacturer was suggested by Urs Gloor.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| J | 60–66 | SWO-300 | 12BH7 | HF-generator, 150 kHz - 300 MHz in six ranges See also model Sydimport SWO-300. |
| J | 69 | Multimeter SP-6D | Passiv analog multimeter. 2 Ge-Diodes, Cu-oxydul-rectifier. Measurement Ranges: DCV and AC... | |
| J | 72 | Multimeter N-501 | Passiv supersensitive analog multimeter, 2 µA full scale, 5 Ge-Diodes, Polarity switch, ... | |
| J | 66 | Multitester F-80TRD | Multitester, 34,5 µA coil, ranges: up to 1000 V, 50 MOhm, 500 mA. | |
| J | 70 | Transistor Checker AT-1 | One instrument, checks PNP-, NPN types and diodes. | |
| J | 58–63 | Multimeter 305-ZTR | Shape: rectangular. 2-mm-jacks.DC: 0,5...5000 V, Ranges: 0,5, 2,5, 10, 50, 250, 500, 1000,... | |
| J | 70 | Transistor Checker SC-2 | Uses 4× 1.5 Volt and 22.5 Volt hearing aid battery. Uses a nulling principle for al measur... | |
| J | 64 | Cony VTVM | 6AL5 | Vacuum Tube Volt Meter and Ohmmeter. 7 Ranges: VAC/VDC 1.5 5 15 50 150 500 1500 V... |
| J | 64 | Taschen-Vielfachmeßinstrument SH-63TR | Taschen-Vielfachmeßinstrument SH-63TR, DC-Volt in sieben Bereichen von 0 bis 1000 V, AC-Vo... | |
| J | 64 | Taschen-Vielfachmeßinstrument F-7TR | Taschen-Vielfachmeßinstrument F-7 TR, Gleichspannung in sehs Bereichen von 0 bis 1000 V, W... | |
| J | 80 | Multitester TR-700 | Analogue multimeter. VDC 0.3 to 30 KV (extra HV probe), in 8 steps at 50 kOhms/V, VAC 3 to... | |
| J | 75 | AM Tracking Scope TS-135 | Sweep generator with display for AM radio alignment. |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
1966
Q: Sanwa, Service-Unterlagen
From "Electronic Engineering", January 1977.
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