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ES3072 DC Resistance Tester

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It is mainly used to measure transformer DC resistance, transformer winding resistance, ground grid connection continuity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance and metal riveting resistance, metal components Interconnection resistance test, low value resistance test, contact resistance test, etc.

Sample type

Optional Cu copper, Al aluminum, Fe iron, Au gold, Ag silver material

Resistance Range



0.1 uΩ

overflow display

“OL” symbol display when over-range overflow

Detection method

Four-wire test

test current


short circuit current


temperature check

Yes, external temperature probe, internal temperature sensor, dual sensor design

Temperature conversion

Yes, temperature conversion, can convert 75 ℃ measurement results

overload protection


automatic discharge



DC14.6V  12000mAhLarge capacity lithium battery

charging function


display mode

5-inch touch screen (854dots×480dots) full-color LCD display

interactive mode

Touch screen/button

LCD size

length and width:108 mm×65mm

Meter size

length width height:277.2mm×227.5mm×153mm

Test line length

5 meters, 1 red and 1 black

Mobile APP

Have, Bluetooth connection

Computer PC

Have, USB cable connection

data storage

800 Group

data review

Data lookup function


There is a printer embedded in the instrument panel, press the print button to print the test results

battery voltage

The battery power is displayed in real time, prompting that the battery needs to be charged in time when the voltage is low

Automatic shut-down

Optional off, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, 30 minutes

Power consumption

Standby: about 4W (30% brightness)


Measurement: 100W Max


Meter: 3.1kg (including battery)


Test line: 850g

Working temperature and humidity

-10℃~40℃;70%rh  following

storage temperature and humidity

-20℃~60℃;70%rh  following

Insulation resistance

More than 10MΩ (500V between the circuit and the shell)

Pressure resistance

AC 3700V/rms (between the circuit and the case)

Electromagnetic properties

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

Suitable for safety regulations

IEC61010-1, CAT Ⅲ 600V, pollution degree 2, JJG724-1991 “Verification Regulations for DC Digital Ohmmeter”, JJG166-1993 “Verification Regulations for DC Resistors”, “DL/T967-2005 Loop Resistance Tester and DC Resistance Fast Tester Verification Regulations”

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