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Sử dụng để đo điện trở DC của cuận dây máy biến áp, cuộn dây
Dòng điện thử lớn nhất: 10A
Độ phân giải max: 0.1μΩ;
Giải đo: 1Ω - 20KΩ(1mA), 1Ω - 2KΩ(10mA), 10mΩ - 20Ω(1A), 1mΩ - 4Ω(5A), 1mΩ -2 Ω(10A)
Độ chính xác: ±0.2%(±2digits)
Nguồn cung cấp 220VAC
Chi tiết
General Information

GDZRC series DC resistance tester is designed to measure DC resistance of inductive devices, such as transformers and power inductors. It uses new power technology,with the features of fast measurement,small size and high accuracy of measurement,which is ideal equipment of measuring transformer winding and DC resistance of big power inductance equipment.


Features
Four leads measurement to ensure measuring accuracy;
Program-controlled current source to increase measuring speed;
Auto arc suppression to ensure safety and availability;
Auto/Manual measuring range selecting;
Measured data can be stored, max 255 records;
128*64 LCD screen and Built-in Printer;
Specifications
Power supply: AC220V±10%, 50Hz±2Hz
GDZRC-5A Max. test current: 5A
Max.resolution: 0.1μΩ;
Measuring range: 1Ω - 20KΩ(1mA), 1Ω - 2KΩ(10mA), 10mΩ - 20Ω(1A), 1mΩ - 4Ω(5A)
Accuracy: ±0.2%(±2digits)
GDZRC-10A Max. test current: 10A
Max.resolution: 0.1μΩ;
Measuring range: 1Ω - 20KΩ(1mA), 1Ω - 2KΩ(10mA), 10mΩ - 20Ω(1A), 1mΩ - 4Ω(5A), 1mΩ -2 Ω(10A)
Accuracy: ±0.2%(±2digits)
GDZRC-20A Max. test current: 20A
Max.resolution: 0.1μΩ;
Measuring range: 10mΩ - 20Ω(1A), 1mΩ - 4Ω(5A), 1mΩ -2 Ω(10A), 1mΩ - 1Ω(20A)
Accuracy: ±0.2%(±2digits)
GDZRC-40A Max. test current: 40A
Max.resolution: 0.1μΩ;
Measuring range: 10mΩ - 8Ω(2.5A), 1mΩ - 4Ω(5A), 1mΩ -2 Ω(10A), 1mΩ - 1Ω(20A), 1mΩ - 500 m Ω(40A)
Accuracy: ±0.2%(±2digits)
GDZRC-50A Max. test current: 50A
Max.resolution: 0.1μΩ;
Measuring range: 10mΩ - 8Ω(2.5A), 1mΩ - 4Ω(5A), 1mΩ -2 Ω(10A), 1mΩ - 1Ω(20A),1mΩ - 400mΩ(50A)
Accuracy: ±0.2%(±2digits)