Unicreed is a professional PCB transformers manufacturer in China, we mainly focus on developing and producting 4 kinds of PCB transformer: Encapsulated Transformer, Open Frame/Linear Transformer, Toroidal Transformer and High Frequency Transformer. The following are our inspection contents and requirements for our 4 kinds of PCB transformers.
Encapsulated Transformer
Safety Standard: EN61558
Test Content：
- Eelectrical Performance Test
- Insulation resistance Test
- HI-POT Test
- Temperature rise Test
Test Instruments
- DC-RESISTANCE METER
- VOLTMETER
- AMPEREMETER
- TURN RATIO DETECTOR
- HI-POT TESTER
- INSULATION-RESISTANCE METER
- MILIVOLTMETER
- MULTI-FUNCTION OSCILLOSCOPE
Open Frame/Linear Transformer
Safety Standard: EN61558/GB19212
Test Content：
- Eelectrical Performance Test
- Insulation resistance Test
- HI-POT Test
- Temperature rise Test
Test Instruments
- DC-RESISTANCE METER
- VOLTMETER
- AMPEREMETER
- TURN RATIO DETECTOR
- HI-POT TESTER
- INSULATION-RESISTANCE METER
- MILIVOLTMETER
- MULTI-FUNCTION OSCILLOSCOPE
Toroidal Transformer
Safety Standard: EN61558
Test Content：
- Eelectrical Performance Test
- Insulation resistance Test
- HI-POT Test
- Temperature rise Test
Test Instruments
- DC-RESISTANCE METER
- VOLTMETER
- AMPEREMETER
- TURN RATIO DETECTOR
- HI-POT TESTER
- INSULATION-RESISTANCE METER
- MILIVOLTMETER
- MULTI-FUNCTION OSCILLOSCOPE
High Frequency Transformer
Electrical performance testing is mainly done with high frequency transformers, test requirements as follow:
Test Content：
- Inductance Test
- Turns Ration(T/R) Test
- InsulationResistance Test
- HI-POT Test
Test Instruments
- TH2829X
- CS5603
