Specificaiton: •Function:Ground resistance test, Loop resistance test •Power Supply:6VDC 4 PCS of AA Alkaline batteries •Resistance Range:0.01-200Ω •Resistance Resolution:0.001Ω •Highest Resistance Accuracy:±1%±0.01Ω •Data memory:99 Sets •Alarm Threshold Setting Range:Resistance: 1-199Ω •Alarm 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 blinking •Working Temperature and Humidity:-20℃-55℃；20％RH-90％RH •LCD Screen:4 Digits LCD display, Screen L×W: 47mm×28.5mm •Clamp Size:Φ32mm •Clamp Opening Extent:32mm •Tester Weight:1160g (With batteries) •Clamp Dimension:L×W×T: 285mm×85mm×56mm •Protection Level:Dual Insulation •Structural Feature:Clamp CT •Shifting:Automatic shifting •External magnetic field:＜40A/m •External electrical field:＜1V/m •Single measurement time:0.5 second •Resistance measurement frequency:＞1KHz •Measured current frequency:50/60Hz Automatic measurement •Low Battery Indication:Low battery symbol displays when battery is lower then 5.3V •Memory Full Indication:MEM symbol blinks when all 99 sets memory is full •Over Range Indication:Out of range indication "OLΩ", "L0.01" or "OL A" •Auto Power-off:5 minutes after Boot up •Power Consumption:Max 50mA either in booting up or normally working, Continuously working for 30 hours
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