Jkhl400-100a /JKHL400-200A circuit resistance tester

The JKHL400-100A/JKHL400-200A circuit resistance tester is widely used for measuring the contact resistance of various switches and electrical appliances, as well as the contact resistance of cables, wires, and welds, meeting the requirements of the power department for contact resistance testing.
Main functions and features:
1. A 65K true color LCD with a 320 × 240 dot matrix, displaying clearly under strong light.
2. High output voltage, open circuit voltage above 10V, wide measurement range.
3. The test current comes from a high-precision constant current source, which can continuously output the test current until thermal protection.
4. The use of four terminal wiring method effectively eliminates the influence of test line resistance on the test results.
5. The instrument is equipped with a micro printer that can print test results.
6. The instrument comes with a perpetual calendar and power down storage, which can store test data for easy reference.
7. Equipped with RS232 and USB interfaces, it can communicate with computers and store on USB drives.
8. Intelligent power management technology ensures that instruments always operate at low power levels, effectively saving energy.
9. It has a measurement time selection function, which can meet different testing needs.
Main technical indicators:
1. Output current: JKHL400-100A: 100A
JKHL400-200A：200A、100A
2. Test range: 100A: 0-50 m Ω
200A：0～20 mΩ
3. Resolution: up to 0.1 μ Ω
4. Test accuracy: ± (0.5% ± 2 μ Ω)
5. Dimensions: 355 × 275 × 147 (mm)
6. Working temperature: -20 ℃~40 ℃
7. Working humidity:<80% RH, no condensation
8. Working voltage: AC220V ± 10%
9. Working frequency: 50Hz