CR.20A
Introduction to the CR.20A:
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Resistance Range: 10.0uΩ-1000.0KΩ
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Resolution: 0.1 uΩ
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Detection method: Four-wire test
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Test current: 20A, 10A, 5A, 1A, 0.1A, 10mA, 1mA
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Short circuit current: 20A
The CR.20A
Technical Specifications
Function
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It is mainly used to measure transformer DC resistance, transformer winding resistance, ground grid connection continuity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance and metal riveting resistance, metal components interconnection resistance test, low value resistance test, contact resistance test, etc.
Sample type
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Optional Cu copper, Al aluminum, Fe iron, Au gold, Ag silver material
Resistance range
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10.0µΩ–1000.0kΩ
Resolution
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0.1µΩ
Overflow display
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“OL” symbol display when over-range overflow
Detection method
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Four-wire test
Test current
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20A, 10A, 5A, 1A, 0.1A, 10mA, 1mA
Short circuit current
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20A
Temperature check
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Yes, external temperature probe, internal temperature sensor, dual sensor design
Temperature conversion
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Yes, temperature conversion, can convert 75℃ measurement results
Overload protection
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Have
Automatic discharge
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Have
Power
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DC14.6V 12000mAh large capacity lithium battery
Charging function
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Have
Display mode
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5-inch touch screen (854×480) full-color LCD display
Interactive mode
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Touch screen/button
LCD size
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108mm × 65mm
Meter size
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277.2mm × 227.5mm × 153mm
Test line length
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5 meters, 1 red and 1 black
Mobile app
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Have, Bluetooth connection
Computer PC
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Have, USB cable connection
Data storage
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800 group
Data review
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Data lookup function
Printer
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There is a printer embedded in the instrument panel, press the print button to print the test results
Battery voltage
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The battery power is displayed in real time, prompting that the battery needs to be charged in time when the voltage is low
Automatic shut-down
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Optional off, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes
Power consumption
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Standby: about 4W (30% brightness)
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Measurement: 100W Max
Quality
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Meter: 3.1kg (including battery)
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Test line: 850g
Working temperature and humidity
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-10℃～40℃; ≤70%RH
Storage temperature and humidity
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-20℃～60℃; ≤70%RH
Insulation resistance
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More than 10MΩ (500V between the circuit and the shell)
Pressure resistance
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AC 3700V/rms (between the circuit and the case)
Electromagnetic properties
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IEC61010-4-3, radio frequency electromagnetic field ≤1V/m
Suitable for safety regulations
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IEC61010-1, CAT III 600V, pollution degree 2
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JJG724-1991 “Verification Regulations for DC Digital Ohmmeter”
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JJG166-1993 “Verification Regulations for DC Resistors”
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DL/T967-2005 “Loop Resistance Tester and DC Resistance Fast Tester Verification Regulations”