Function：Ground resistance test, Loop resistance testPower Supply：6VDC 4 PCS of AA Alkaline batteriesResistance Range：0.01-1200ΩResistance Resolution：0.001ΩHighest Resistance Accuracy：±1%±0.01ΩData memory：99 SetsAlarm Threshold Setting Range：Resistance: 1-199ΩAlarm Sound and Light："Beep-beep-beep" alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold.Interference Signal Recognition："Beep-beep-beep" tone, NOISE symbol blinkingWorking Temperature and Humidity：-20°c-55°c; 20%RH-90%RHLCD Screen：4 Digits LCD display, Screen L*W: 47mm*28.5mmClamp Size：65mm×32mmClamp Opening Extent：32mmTester Weight：1160gClamp Dimension：L*W*T: 285mm*85mm*56mmProtection Level：Dual InsulationStructural Feature：Clamp CTExternal magnetic field：<;40A/mExternal electrical field：<;1V/mSingle measurement time：0.5 secondResistance measurement frequency：>1KHzMeasured current frequency：50/60Hz Automatic measurementLow Battery Indication：Low battery symbol displays when battery is lower then 5.3VMemory Full Indication：MEM symbol blinks when all 99 sets memory is fullOver Range Indication：Out of range indication "OLΩ", "L0.01" or "OL A"Auto Power-off：5 minutes after Boot upPower Consumption：Max 50mA either in booting up or normally working, Continuously working for 30 hoursRS232 Interface (Optional)：The data stored in the meter are uploaded to the computer through RS232 interface and data wire, Then generate report filesAccessories：Meter: 1 piece, Test ring: 1 Piece, Meter Suitcase: 1 Piece
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