40A Handheld DC Resistance Tester Transformer Winding Resistance Tester
Product Description
GDZC dc resistance tester has complete protection functions such as overcurrent, overvoltage, and discharge High safety, with a constant current source output, capable of charging the tested inductive load to saturation, and then measuring the voltage drop and corresponding DC resistance at both ends of its winding. Suitable for measuring various low resistance DC resistors.
1. DC resistance measurement accuracy: ± (0.2% RGD+2d) Minimum resolution: 1u Ω;
2. Resistance measurement range:
1.000 Ω -1000 Ω (20mA range)
100.0m Ω -100.0 Ω (200mA range)
10.00m Ω -10.00 Ω (2A range)
4.000m Ω -4.000 Ω (5A gear)
2.000m Ω -2.000 Ω (10A gear)
1.000m Ω -1.000 Ω (20A range)
3. Output current accuracy: ± 5%;
4. Equipped with a discharge circuit and discharge indicator, discharge indicator method: buzzer and discharge indicator LED;
5. Maximum open voltage of instrument current source: DC 30V
6. The weight of the host is less than 10KG;
7. Working power supply: AC220V ± 10%, (50 ± 1) HZ;
8. Working environment: -10 ℃ to 50 ℃, humidity<90%, no condensation.
Fast measurement speed, high accuracy, and intuitive display
Strong anti-interference ability, small size, and low power consumption
The test data is stable and reliable, unaffected by human factors