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ES3072 DC resistance tester

ES3072 DC resistance tester is also known as transformer DC resistance tester, DC resistance rapid tester, grounding conduction tester, using microprocessor technology, four-wire method test, safe, precise and reliable. It is mainly used to measure the resistance of transformer winding, transformer resistance resistance, grounding conductor conduction test, wire resistance, cable switch, connector, relay, contact resistance, coil, motor, equipment shell, lightning belt, beam, structure, cabinet, steel bar, water pipe, window, guardrail, radiator, line test between metal components. Widely used in telecommunications, electric power, meteorology, machine room, oil field, power distribution line, iron tower transmission line, gas station, factory grounding network, lightning rod, etc.

     ES3072 The DC resistance tester is composed of the host machine, monitoring software, test line, communication line, etc. The host handheld portable design is convenient for field application, with charging function without field power search, full-color large screen LCD display, clear at a glance, touch screen operation is convenient and easy to use, port anti-overload function. Large capacity storage of 800 sets of data, resistance measurement range: 10.0u¦¸-1.0000 M¦¸, measurement accuracy: ¡À 0.2%FS ¡À 10 dgt. The upper computer software has the functions of historical data reading, consulting, saving, reporting and so on.


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Product Model ES3072
Product Introduction

nction

Mainly used for measuring the transformer DC resistance, transformer winding resistance, ground grid connection conductivity, cable wire resistance, switch, connector, relay contact resistance, coil, motor, transformer winding resistance and metal riveting resistance, metal components between resistance test, low value resistance test, contact resistance test, etc.

Test object type

Optional Cu, Al, Fe, Au, Ag materials

Resistance range

10.0u¦¸-1.0000M¦¸

resolving power

0.1 u¦¸

Accuracy

¡À0.2%FS

test method

Four line method test

Test current

20A¡¢10A¡¢5A¡¢1A¡¢0.1A¡¢10mA¡¢1mA

Maximum short-circuit current

20A

Temperature detection

The temperature probe

Temperature conversion

Yes, in the temperature conversion, it can be converted to 75¡æ measurement results

Alert setting function

Yes

overpower protection

Yes

self discharge

Have, LCD display reminder

source

Built-in: 14.6V 10000mAh rechargeable lithium iron phosphate battery

Charging function

Yes 14.6V/3A

be in a poor light

Yes, sliding adjustable, suitable for dim place use

Display mode

5-inch touch (854dots 480dots) Full-color LCD display

Touch screen operation

Yes

LCD size

Long wide£º108 mm¡Á65mm

Instrument size

 length, width and height£º277.2mm¡Á227.5mm¡Á153mm

Test line length

5 meters, red, black each

cloud services

Android APP, the upper machine

printer

The instrument panel is embedded with a printer. press the print key to print the test results

USB joggle

Has a USB interface

Communication line

1 USB communication line

data storage£»

800 Groups

data transmission

USB, PDA

Data access

There is a data access function

Overflow display

Overload overflow function: The OL symbol display

cell voltage

Real-time display of battery power indicates that the battery should be charged in time when the voltage is low

auto shut off

The instrument is shut operated for about 15 minutes

power dissipation

Standby: about 230 mA (20% brightness)


Test£º27W Max

quality

Meter£º2300g(Including battery)


private wire£º850g

Working temperature and humidity

-10¡æ¡«50¡æ£»70%rh under

Store temperature and humidity

-20¡æ¡«60¡æ£»70%rh under

insulation resistance

Above 10 M¦¸ (500V between circuit and housing)

withstand voltage

AC 3700V/rms(Between the circuit and the enclosure)

Electromagnetic characteristics

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

Suitable for safety regulations

IEC61010-1, CAT ¢ó 600V, Pollution Grade 2, JJG724-1991 Verification Procedure for DC Digital Ohms Table, JJG166-1993 Verification Procedure for DC Resistor, DL / T967-2005 Verification Procedure for Circuit Resistance Tester and DC Resistance Rapid Tester


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