ZD-1A contact resistance tester is designed to test the resistance of the breaker contact, disconnecter contact and connectiong part of the busbar.
 

               Input source：AC 220V, 50/60HZ
  
               Output current： 100A, 200A, 300A, 500A
 
               Measuring range: 0～2000μΩ　　
 
               Acurracy ：±0.5%

   TAC750B micro-transformer tester is designed to test the excite property,ratio,polarity and resistances’caculation for current transformers.

●   Measure the excite property(excitation curve),caculate the spinodal voltage and current according to IEC60044-1,IEC60044-6,IEEEC57.13.
●   Measure the ratio and polarity of the current transformer.
●   Measure the coil resistance
●   Measure the load in secondary circuit.
●   AC strength test (2000V).

    Input source voltage     AC220V 50/60HZ
 
    Output voltage  200V/5A，900V/2A，2000V/1A
 
    Output current  200A/6V
 
    Current test Accuracy ±（0.5%I ）
    resolution 0.1mA
 
    Voltage test Accuracy ±（0.5%U ）
    resolution 10mV
 
    Ratio test Accuracy  ±0.5%
 
    Test range of DC resistance  0~100Ω, resolution 1mΩ
 
    Test accuracy of DC resistance  ±（0.5%R ）
 
    Dimension   492mm×392mm×218mm
 
    Weight  20kg

GKCHD420A high voltage circuit breaker tester applies to mechanical and characteristic testing for sulphur hexafluoride, vacuum circuit breaker , bulk oil circuit breaker, oil minimum circuit breaker and isolating switch.

◆Measure the time parameter of 12 main contacts and 6 contacts with resistance.
◆Measure the travel and rapidity with the linear transducer.
◆Measure the control current when switch on and switch off with a current transducer builted in.
◆Test the switches when on,off, off-on-off,on-off,and off-on.
◆Capture and control the data with a embedded computer.
◆Edit and store the type of the breaker in accordance with the rapidity and the definition.
◆Memory the measuring data within 70seconds. 
◆With a high power DC controled source.
◆large screen to show the data and gragh.
◆use U disk to dump the data and upgrade the softwire.
◆Operate with notebook PC or stand alone.
 
 
Technical standard:
 
Range of measure time ：0~12000ms
resolution：0.1ms
Accuracy :±(0.1%t+0.1)ms
 
stroke：0~1000mm
resolution：0.1mm
Accuracy:±(0.5%L+0.2)mm
 
Speed：0~20m/s 
resolution：0.01m/s
 
DC voltage output：5~270v/10A
 
Input current：0~20A
 
dimension：427mm×357mm×193mm
 
Weight ：10kg