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Resistance meters
KD50A high voltage insulation resistance tester with 50V, 100V., 250V., 500V., 1.0kV, 2.5kV, 5.0kV, 10.0kV a total of 8 voltage output files, the test can reach 10TΩ. Large capacity, chống lại mạnh mẽ, LCD synchronous display, Sử dụng kép AC và DC, Hoạt động đơn giản, automatic calculation of various insulation indicators, absorption ratio, polarization index, all kinds of measurement results with anti-power failure function. It is a test instrument for measuring insulation resistance of large capacity transformer, máy biến áp, generator, high voltage motor, power capacitor, Cáp điện, arrester and so on.
Resistance meters
Đặc tính hiệu suất
1, microcomputer control, menu operation, large screen LCD dot matrix display, stable performance, intelligent instrument.
2, khả năng chống nhiễu mạnh mẽ, suitable for measurement in strong electromagnetic interference environment.
3, there are 50V, 100V., 250V., 500V., 1000V., 2500V., 5000V., 10000V a total of 8 voltage output files
4, the output high voltage can also be continuously adjusted.
5, automatic measurement, automatic calculation of absorption ratio, polarization index.
6, strong load capacity, short circuit current about 5mA.
7, the maximum measuring range is 0 ~ 10TΩ, automatic switching range.
8, analog bar pointer combined with digital display, image shows the trend of data change and accurate measurement results.
9, display the test time at any time, and the buzzer automatically sounds every 15 giây.
10, after the measurement is completed, the high pressure will be automatically released, and the high pressure release time will not exceed 30 giây.
11, automatic measurement of ambient temperature, air humidity and the date and time of each test.
12, can save 60 groups of measurement results, and the data can not be lost for 20 years.
13, with RS232 serial interface, can communicate with computer data.
14, RS232 serial port external printer (không bắt buộc), can print measurement results, no meter reading work.
15, with protection function, high reliability.
Resistance meters
| Rated test voltage | 50V., 100V., 250V., 500V., 1000V., 2500V., 5000V., 10000V. (Tổng cộng 8 voltage output, output high voltage can also be adjusted continuously) |
| Measurement upper limit | 0Ω ~ 10 TΩ |
| Measurement lower limit | 0.1MΩ |
| Output voltage error | ±5% |
| Short circuit current | about 5mA |
| Accuracy level | 2.0 |
| Lower half range error | ±(2%·Rx+1d) |
| Upper half range error | ±(3%·Rx+2d) |
| High voltage display error | ±(3%·Ux+1d) |
| Temperature measurement error | ± 0,5oC |
| Air humidity measurement error | ±2%RH |
| Nguồn cấp | 14.8V. (high-performance rechargeable lithium battery) |
| Usage time of a single charge | 10 DAR and 5 PI tests per day for 30 ngày |
| Chịu được điện áp | AC10.0kV 50Hz 1min (between test line and housing) |
| Nhiệt độ và độ ẩm hoạt động | 0℃~+40℃<85%RH |
| Nhiệt độ và độ ẩm bảo quản | -20℃~+50℃< 90%RH |
| kích thước tổng thể | 270 (L) ×240 (W) ×165 (H) (mm) |
| Cân nặng | ≈4.5kg |



















