MEWOI3000B+-0.01-200Ω Clamp Earth Resistance Tester/Meter,earth Ground Tester,GEO Tester

Technical Specification Function Ground resistance test, Loop resistance test Power Supply 6VDC 4 PCS of LR6 lkaline 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(Please storge and Operate the instrument at its ranges) LCD Screen 4 Digits LCD display, Screen L×W: 47mm×28.5mm Clamp Size 65mm×32mm 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 RS232 Interface (Optional) The data stored in the meter are uploaded to the computer through RS232 interface and data wire, Then generate report files Accessories Meter: 1 piece, Test Ring: 1 Piece, Meter Suitcase: 1 Piece , batteries: 4 PCS ( LR6)