Winding Resistance Tester
HYZC-20 winding resistance tester applied for DC resistance measurement of inductive specimen such as power transformer, motor, CT&VT and so on. The tester could also be applied for low resistance measurement such as contact or cable resistance.
Description
HYZC-20 winding resistance tester applied for DC resistance measurement of inductive specimen such as power transformer, motor, CT&VT and so on. The tester could also be applied for low resistance measurement such as contact or cable resistance. The device has a constant current source output that would charge the inductive specimen during testing. The charge of inductive specimen would make it enter saturation. And then the voltage drop of inductive specimen would represent the DC resistance voltage drop only. The device can measure this voltage drop of inductive specimen to get the exact DC resistance of the specimen.
Features
The tester has current output range of 20mA/200mA/2A/5A/10A/20A for selection. It has high output capacity and low power dissipation. The tester use 4 wire mode to measure the resistance of specimen. Measurement resolution and accuracy is high. Stability of readings is excellent. The tester has full protection against over current, over voltage and reverse connection. It is an idea tool choice for inductive burden DC resistance and low resistance measurement.
Technical Specification
1.DC resistance measurement accuracy : ±(0.2％RGD+2d)Resolution: 1uΩ;
2.DC resistance measurement range:
1.000Ω-1000Ω (20mA)
100.0mΩ-100.0Ω (200mA)
10.00mΩ-10.00Ω (2A)
4.000mΩ-4.000Ω (5A)
2.000mΩ-2.000Ω (10A)
1.000mΩ-1.000Ω (20A)
3.Test current accuracy: ±5％;
4.Integration of discharge circuit. There are LED and voice alarm for discharge indication.
5.Open circuit voltage: DC 30V(Higher voltage required would be customized version)
6.With maximum 200 groups storage capacity.
7.With thermal printer for test result print.
8.RS232 interface for data upload to PC.
9.Weight of tester <10kg.
10.Power supply: AC220V±10%,(50±1)HZ.
11.Working temperature: -10℃～50℃ humidity < 90％.
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