Function

Testing of equipotential bonding resistance between metal components, low value resistance testing, resistance testing of connecting conductors between ground grid electrodes, contact resistance testing, etc

DC resistance range

0.0001Ω～30.00KΩ 精度 ±1%rdg±5dgt

Resistance resolution

0.0001Ω

detection method

Four line method test

test current

≥1A

open-circuit voltage

≤7V

Power

Measurement power ≤ 15W

DC voltage range

0.0V~1000V DC accuracy ± 1.5% rdg ± 5dgt

DC voltage resolution

0.1V

AC voltage range

0.0V~750V AC accuracy ± 1.5% rdg ± 3dgt

AC voltage resolution

0.1V

power supply

DC 6V 4. h high-capacity battery with continuous standby time of over 100 hours

Backlight

Controllable gray and white screen backlight, suitable for use in dark fields

display mode

4-digit ultra large LCD display, gray and white screen backlight

Measurement indication

LED flashing indication during measurement, LCD countdown display

LCD size

108mm×65mm

Instrument size

Length, width, and height: 277.2mm × 227.5mm × 153mm

Test line length

2 pieces of red 5m and 2 pieces of black 5m each

measure time

Resistance test: about 3 seconds/time; Voltage test: approximately 2 times per second

USB port

Equipped with USB interface, software monitoring, data storage for uploading to computer, saving and printing

Communication line

1 USB communication cable

data storage

500 sets, "MEM" storage indicator, displaying the "FULL" symbol to indicate that the storage is full

Data retrieval

Data retrieval function: "MR" symbol display

Overflow display

Overscale overflow function: "OL" symbol display

alarm function

When the measured value exceeds the alarm set value, an alarm prompt will be issued

battery voltage

Real time display of battery level, reminding timely charging when battery voltage is low

Auto Shutdown

APO "indicates that it will automatically shut down after 15 minutes of startup

power waste

Standby: 30mA Max (backlight off)

Power on backlight: 43mA Max

Measurement: 2A Max (backlight off)

quality

Instrument: 2397g (including battery)

Test line: 850g (including simple test line)

Instrument box: 1200g

Working temperature and humidity

-10℃～40℃； Below 80% RH

Storage temperature and humidity

-20℃～60℃； Below 70% RH

overload protection

AC 280V/3 seconds between ports C1-C2 P1-P2

insulation resistance

Above 10M Ω (500V between circuit and casing)

Voltage resistance

AC 3700V/rms (between circuit and casing)

electromagnetic properties

IEC61010-4-3， Wireless frequency electromagnetic field ≤ 1V/m

Suitable for safety regulations

IEC61010-1TheCATⅢ600VPollution level2TheJJG724-1991Verification Regulations for DC Digital OhmmetersJJG166-1993Verification Regulations for DC Resistors《DL/T967-2005Verification Regulations for Loop Resistance Testers and DC Resistance Rapid Testers