Specifications
Function：Earth resistance measurement, Earth voltage measurement, Low resistance measurement
Power Supply：DC 9V (Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
Measuring Mode:Precise 3-pole measurement, simple 2-pole measurement
Measuring Method:Earth ground resistance: constant current change-pole method, measurement current 3mA Max,820Hz;Voltage to ground: average value rectification
Data Mode:Average value, maximum, minimum
Wire Resistance Verification: Avoid error caused by testing wire such as failed to be fully inserted into tester interface or by poor contact or by user' s replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.
Measuring Indication:4-digital super-large LCD display, blue screen backlight,During measurement, LED flash indicator, LCD count down display
Earth Ground Resistance:Range:0.01Ω~2000Ω;Resolution:0.01Ω;Accuracy:±1%rdg±3dgt
Earth Ground Voltage：Range:0V~600V AC;Resolution:1V;Accuracy:±1%rdg±3dgt
Testing Wires：Three wires: each for Red 20m, Yellow 10m, and Green 5m
Simple Testing Wire：2 wires: each for Red 1.5m and Green 1.5m
Auxiliary Earthing Rod：2 PCS: Φ10mm×150mm
Measuring Rate：Earth voltage measurement: 3 times/second; Earth resistance: 5 seconds/time
Measuring Times：Over 5000 times (20Ω range measuring 10Ω for one time and repeat after 25 seconds)
RS232 Interface:One piece of RS232 communication wire, with length 1.5m, Possess RS232 interface, software supervision, storage data can be uploaded to computer, preserved and printed.
Overflow Display:Exceeding measuring range overflow function: “OL”icon display
Alarm Function:When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint