About Us

Wenzhou Safai Electric Co.,Ltd(WenZhou City TJ Electric Appliances Co.,Ltd) established in May.1996,the company is lacated in liushi town yueqing city,covers an area of 8000m2 and has 200 employees,with 30 excellent professional engineers, we own a powerful researching and developing ability.We have the certificate of ISO9001-2008.Our products have also got the CE,CB certificates approved by Germany TüV company.The panel meters are strictly produced under the International Standard IEC60051,IEC61010 and National Standard GB/T7676-1998.The current transformers are strictly produced under the International Standard IEC60044-1(2003) and National Standard GB 1208-2006.
Square type panel meter：120×120，96×96，80×80，72×72，48×48

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Certificate

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Certificate

Certificate

Certificate

Certificate

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FAQmore+

(1) For permanent-magnet moving-coil instrument AC voltage or current measurement are used to obtain the average by the rectifier, Then by the relationship between the average and the RMS make the average RMS voltage or current...
The vortex error is that moving-iron instrument is used in AC circuit. For ammeter in the metal parts form vortex by magnetic field, but the vortex effect the magnetic field,so it is bring the vortex error.The hysteresis error is that moving-iron...
The hysteresis error is the error produced when the electromagnetic system instrument is used in the AC circuit. For the ammeter, the alternating magnetic field of the metal parts in the instrument is used to generate eddy current...
  • The industry status of the outstanding
  • Top-notch technology advantage
  • Efficient production capacity
  • Outstanding product performance