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Function: Various contact resistance tests of high-voltage switches and high-voltage circuit breakers; connection resistance tests of metal welding components; various circuit resistance tests of metal conductors ; precision micro-ohm resistance tests
Power supply: Built-in: 12.6V 9000mAh rechargeable lithium battery
Test method: Four-wire method
Charger: 12.6V/2A charger
Display mode: 5.6-inch industrial-grade high-brightness color LCD screen
Test interface: I+ (current positive), I- (current negative), U+ (voltage positive), U- (voltage negative)
Current output:
Coarse adjustment gear: ≤ 5 A , 1 0A , 3 0 A, 50 A , 8 0A , 1 00 A, 200A, 220A
Thin strip gear: step value 2.5A, up to 87 gears
Range (Built-in battery):
≤ 5A: 1mΩ ~3500mΩ
10A: 0.1μΩ ~200m Ω
30A: 0.1mΩ ~20mΩ
50A：0.01mΩ ~15mΩ
80A：0.01mΩ ~10mΩ
100A：0.01μΩ ~ 5 mΩ
200A：0.01μΩ ~600u Ω
220A：0.01μΩ ~500u Ω
Minimum resolution: 0.01μΩ
Test accuracy
Current: 30A~220A ±(reading×0.1%+range 0.2%+1μΩ)
Current: 1 0A or ≤ 5A ± (reading × 0.5% + range 0.2% + 10μΩ)
Testing time:
≤ 100A: fast (recommended), 10s, 20s, 30s, 40s, 50s, 60s
> 100A : fast
Printer: Yes (optional), press the print button to print the test results
Data storage: After the test is completed, the data is automatically saved and cyclically saved, and 999 sets of data can be stored
Meter size: Approx. 188mm(L)×85mm(W)×312mm(H)
Package size: Approx. 550mm(L)×420mm(W)×215mm(H)
Quality:
Instrument mass: about 2.2kg
Total mass: about 9.3kg
Test line:
Standard length: 3m (optional 5m)
The test line is tapped at both ends of the current and voltage , the wiring is simple, and the resistance is less than 10mΩ
Data deletion: Select the format memory option in the setting interface to delete all data
Data review: Enter the data query interface, press the up, down, left, and right keys to browse the stored data
Automatic shut-down: When using battery power, it will automatically shut down after about 15 minutes of no operation after power on
Battery voltage: There is a battery power indicator on the upper right corner of the meter. When the symbol "0%" is displayed, it means that the battery power is exhausted, and the meter will automatically shut down. Please charge it in time
Backlight: The backlight can be set to high, medium and low brightness
Working current:
The working current is 230mA in non-test state
The working current can be set by yourself in the test state
Circuit protection: With open circuit protection, overheat protection, etc.
Temperature protection: The instrument is equipped with temperature monitoring
Working temperature and Humidity: -10℃～50℃; below 90%RH, no condensation
Storage temperature and humidity: -10℃～60℃; Below 70%RH
Charging voltage: 12.6V
