ModelCT07-/ Name Precision Current Transformer Precision Current

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ModelCT07-/ Name Precision Current Transformer Precision Current

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Precision Current Transformer
ModelCT07-/ Name Precision Current Transformer
Precision Current Transformer
Features endures high temperature corruption. Epoxy resin filled enveloped, good isolation antiimpact capacity.
Small volume nice externality. Insert needle style lead sealed circuit board directly.
Wide linearity range good consistency. Model specification ExampleCT01-5/2.5W
Performance index
Nonlinearity 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1%
Phase shift RL=0 after compensation
Linearity range
Load resistance 1000 1000
CT015 -5/2W -5/5W CT025 -5/2W -5/5W CT035/2.5
5A/2.5mA 5A/2mA 5A/5mA 5A/2.5mA 5A/2mA 5A/5mA 5A/2.5mA
-5/2 -5/5 CT045/2.5 -5/2 -5/5 -30/5 CT075 -5/2W -5/5W
5A/2mA 5A/5mA 5A/2.5mA 5A/2mA 5A/5mA 30A/5mA 5A/2.5mA 5A/2mA 5A/5mA
0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1%
Storage temperature -6075
1000
Isolated voltage durance 5kV/min
king tempe rature -4085
There normal specifications form. Others designed demands
5.Operation method Method Rated input currents precision current transformers rated output currents 2.5mA/2mA/5mA, except CT06-30/5. time converting current output signal into voltage signal, circuit picture commended. Adjust feedback resistor demanded voltage output. Capacitor adjustable resistor compensate phase shift. Capacitor 1000pF, which filter coupling. diodes connected reverse protect operation amplifier. Choose corresponding operation amplifier according accuracy demand, commending OP07 series. Amplifier power +15V +12V, normally. Special condition could choose others power, too. feedback resistor need accuracy excelled temperature coefficient excelled 50PPM. commended circuit applies input single polarity conversion after little change single power supply method.
Method Output convert into voltage signal parallel connection resistor, connecting with operation amplifier. circuit showing picture premises resistance less than output voltage less than that time, there would output voltage signal, whose non-linearity exceeding 0.1%. Compared with circuit commended, influences follows: 1.lessen transformer dynamic range. 2.augment phase shift. Resistance accuracy needs exceeding Temperature coefficient exceeding 50PPM.

ModelCT07-/ Name Precision Current Transformer Precision Current

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