The handheld DC resistance tester, also known as transformer DC resistance tester, DC resistance fast tester, grounding conductivity tester, using microprocessor technology, four-wire method of testing, safety, precision and reliability. Mainly used for measuring the resistance of transformer winding, transformer winding resistance, grounding lead wire conductivity test, cable wire resistance, switches, connectors, relay contact resistance, coils, motors, as well as equipment shells, lightning straps, ground beams, construction, cabinets, steel, water pipes, windows, guardrails, radiators, assembly lines, and other objects of the object of the linkage between the object of resistance testing. Widely used in telecommunications, electric power, meteorology, engine room, oilfield, power distribution lines, tower transmission lines, gas stations, factories grounding network, lightning rods and so on.
The handheld DC resistance tester consists of host, monitoring software, test line, communication line and so on. Host handheld portable design for easy field application, with charging function without the need to find electricity, full-color LCD display, at a glance, touch-screen operation is convenient and easy to use, port overload prevention function. Large-capacity storage of 500 groups of data, resistance measurement range: 10.0uΩ-50.00KΩ, measurement accuracy: 0.2%. Upper computer software with historical data reading, access, save, reports and other functions.
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Function
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mainly used for measurement of transformer dc resistance, transformer winding resistance, network connectivity, cable conductor
resistance, contact resistance of switches, connectors, relays, winding, motor, transformer winding resistance and metal riveting
resistance, metal component coupling between resistance test, low resistance testing, contact resistance testing, etc.
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Resistance range
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10.0uΩ-50.00KΩ
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Resolution ratio
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0.1 uΩ
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Precision
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±0.2%FS±10dgt
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Detection method
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The four-wire test
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Measuring current
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10A、5A、1A、0.1A、10mA、1mA
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Maximum short circuit current
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10A
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overload protection
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Yes
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Self discharge
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Yes
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Power
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DC12.6v 2500mAh large-capacity lithium battery
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Charging function
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Yes
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Back light
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Yes, suitable for dark places
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Display mode
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LCD Full-color display
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Overflow shows
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The "OL" symbol is displayed when the overrange overflow occurs
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Touch screen operation
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Yes
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The LCD size
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Length and width: 108mm×65mm
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Size of instrument
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Length, width and height: 240mm×188mm×85mm
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The test line length
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5 meters, 1 red, 1 black
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USB interface
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With USB interface
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Line of communication
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1 USB communication cable
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Data storage
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500 groups
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View Data
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Data access function
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Cell voltage
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The battery power is displayed in real time, indicating that the battery should be charged in time when the battery voltage is low
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Auto power-off
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Turn off the meter after no operation for about 15 minutes
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Power dissipation
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Standby: approx. 116mA (20% brightness)
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Measurement: 27W Max
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Weight
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Instrument: 1100g(including batteries)
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Test line: 850g
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Operating temperature and humidity
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- 10℃~40℃,Below 70%rh
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Storage temperature and humidity
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-20℃~60℃,Below 70%rh
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Insulation resistance
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More than 10 m Ω (circuit between the shell and 500 V)
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Withstand voltage
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AC 3700V/ RMS (between circuit and housing)
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Electromagnetic property
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IEC61010-4-3, wireless frequency electromagnetic field ≤1V/m
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Suitable for safety
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IEC61010-1、CAT Ⅲ 600V、Pollution level 2、JJG724-1991 <>, JJG166-1993 <
Regulation of DC Resistor>>, <>
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