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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.
Overseas Business Division
Dempa Bldg., 4-4 Sotokanda 2-Chome Chiyoda-ku
Tokyo 101-0021 Japan

Tel : +81-3-3251-0941
Fax : +81-3-3256-9740
Mail : exp_sales@sanwa-meter.co.jp
Website : http://www.sanwa-meter.co.jp/

Not to be confused with other companies of same name!

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
80 Analog Insulation Tester DM-1001 2SK30   
80 Analog Multimeter U-600   20 kΩ/V DC 9 kΩ/V AC 
77 Analog Multimeter ZX-505    
80 Analog Insulation Tester DM-1000 2SK30   
96 Digital Multitester with Insulation Range 5501DM ICL7106   
96 Digital Insulation Tester DG-501M ICL7106   
77 Analog Multimeter BX-808M unknown_tr_FET   
60–66 SWO-300 12BH7  HF-generator, 150 kHz - 300 MHz in six ranges See also model Sydimport SWO-300. 
69 Multimeter SP-6D   Passiv analog multimeter. 2 Ge-Diodes, Cu-oxydul-rectifier. Measurement Ranges: DCV and AC... 
72 Multimeter N-501   Passiv supersensitive analog multimeter, 2 µA full scale, 5 Ge-Diodes, Polarity switch, ... 
66 Multitester F-80TRD   Multitester, 34,5 µA coil, ranges: up to 1000 V, 50 MOhm, 500 mA. 
70 Transistor Checker AT-1   One instrument, checks PNP-, NPN types and diodes. 

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

1966tbn_j_sanwaelec_1966_address_logo.jpg
tbn_j_sanwa_naming.jpg
Q: Sanwa, Service-Unterlagentbn_j_sanwa_vertrieb_transonic_intermarket~~1.jpg
From "Electronic Engineering", January 1977.tbn_j_sanwa_multitester_adv.jpg
tbn_j_sanwaelec_at1_front1_logo.jpg
tbn_j_sanwaelec_at1_logo.jpg

  

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