Digital Ground Resistance Tester Low Value Resistance Meter

Grounding resistance range：0.01Ω～3000Ω  Accuracy±1.5%rdg±3dgt
Grounding resistance resolution：0.01Ω
Grounding voltage range：0～100V AC Accuracy±1.5%rdg±3dgt
Grounding voltage resolution：0.01V
     base condition：23℃±5℃，below 75%rh (Auxiliary grounding resistance 100Ω±5%，voltage to ground＜10V)
Function：Ground resistance measurement, ground voltage measurement, low value resistance measurement
Power：DC 6V 4.5AhLead-acid battery, standby for more than 100 hours
Backlight：Controllable gray screen backlight, suitable for use in dim places
Measuring mode：Precise three-wire measurement, simple two-wire measurement
Measuring methods：Grounding resistance: rated current change pole method, 128Hz;
Ground Voltage: Average Rectification
Test frequency：128Hz
Short-circuit test current：> 20mA ( sine wave)
Wire resistance check：Avoid the errors cause of the test line is not fully inserted into the instrument interface or the contactor is incorrectly replaced or the user replaces the extended test lead, to make the ground resistance test more accurate
Display mode：4-bit large LCD display, gray screen backlight
Measurement instructions：LED flashing indicator during measurement, LCD countdown display
LCD size：108mm×65mm
Instrument size：L/W/H：277.2mm×227.5mm×153mm
Test line length：3 strips：red 15m，yellow 10m，green 5m each one
Simple test line：2 strips：yellow 1.6m，green 1.6m each one
Auxiliary grounding rod：2PCS：φ10mm×200mm
Measure time：Ground voltage: about 3 times/sec; grounding resistance: about 5 seconds/time
Measurement times：More than 5000 times
Line voltage：Measuring voltage to ground: test below AC 100V
USB interface：With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
Communication line：One USB communication line, 1.5m long
Data storage：500 groups, "MEM" storage instructions, display "FULL" symbol indicates that