Qianwei Current Transformer Co., Ltd.  ·  Liushi, Zhejiang, China+86-577-62700712[email protected]WhatsApp +86 186 5836 9816
QIANWEI® Current Transformer
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Certification Testing And Quality Control

Every claim on this page comes from the company's own published records. Where a certificate scan is not available it is listed as text rather than shown as a picture we do not have.

ISO 9001Quality management system
ISO 14001Environmental management system
OHSAS 18001Occupational health and safety
GB/T 28001Chinese OHS standard
CEEuropean conformity
ULProduct certification
KEMAIndependent type test
LVDLow voltage directive
Measurement PermitChinese metrology licence
China Famous BrandBrand recognition
Wenzhou Famous BrandRegional brand award
Quality Trust BrandQuality recognition

Quality Control

  • Ratio and phase error measured on a computer test machine
  • Dielectric strength tested at the rated test voltage, typically 3 kV AC for one minute
  • Insulation resistance checked at DC 500 V
  • Burden verified against the declared accuracy class
  • Rating plate and marking checked before packing

Manufacturing Capability

  • Silicon steel, high permeability nickel and nanocrystalline cores
  • Epoxy vacuum casting for resin and medium voltage bodies
  • Tape wrapping for low cost metering cores
  • PCB mount cores to customer drawing
  • Moulded cases in PC, PBT and PA to UL94 V-0
Test And Production

Photographs From The Test And Assembly Areas

Computer test machine
Computer test machine
Production line
Production line
Assembly bench
Assembly bench
Packing and despatch
Packing and despatch

Ask For The Test Report With Your Order

Routine test values can be supplied with the shipment. Say so when you place the order.

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