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Product Detail

ES3020 Earth clamp resistance tester

    Clamp ground resistance tester, also known as loop resistance tester, is used to test grounding resistance. The instrument uses a new black luxury screen design, resistance and current display in the same screen, and also has a real-time clock, data storage, data access, alarm, automatic shutdown and other functions. The machine is beautiful and upscale, has a wide range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance, strong anti-interference ability. Moreover, it has a shockproof, dust-proof, moisture-proof structure and is a commonly used and indispensable instrument for telecommunications, electricity, meteorology, computer rooms, oil fields, electromechanical installation and maintenance, and industrial enterprises that use electricity as industrial power or energy. It is suitable for measuring various grounding resistances such as telecommunications, electricity, meteorology, computer rooms, oil fields, power distribution lines, transmission lines of iron towers, gas stations, factory grounding networks, and lightning rods.

    The clamp ground resistance tester is controlled by the microprocessor and can accurately detect the ground resistance. It uses a fast filtering technique to minimize interference. At the same time data storage and data upload functions.


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Product Model ES3020
Product Introduction

Functions

Ground resistance test, loop resistance test, leakage current test, ground voltage test

Ambient Temperature and Humidity

23¡æ¡À5¡æ£¬below 75%rh

Power Supply

DC 6V £¨4 AA alkaline dry batteries£©

Measure Method

Mutual induction

Resistance Resolution

0.001¦¸

Current Resolution

0.01mA

Jaw Size

55mm¡Á32mm

Clock Function

Have

¦¸ + A synchronized display

¦¸ + A display on the same screen

Ground voltage measurement function

Have

Display Mode

4-digit LCD display, black screen design

LCD Size

46mm¡Á29mm

Meter Size

L/W/H£º285mm¡Á85mm¡Á58mm

Measure Time

2times/second

USB interface

with USB interface, software monitoring, storage data can be uploaded to the computer, save and print

Communication Line

USB Communication Line 1PC

Data Storage

500 groups£¬"MEM" storage indication, display "FULL" symbol indicates that storage is full

Data Review

"MR" symbol indicates when looking up data

Overflow display

"OL" symbol indicates over-range overflow

Interference Test

Automatically identify interference signals, the "NOISE" symbol indicates when the interference current is large

Alarm Function

Alarm when the measured value exceeds the alarm setting value

Battery Voltage

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

Automatic shut-down

Turn off after 5 minutes

Power Consumption

50mA Max

Weight

Meter£º1180g (including battery)

Working Temperature and Humidity

-10¡æ¡«40¡æ£»below 80%rh

Storage Temperature and Humidity

-20¡æ¡«60¡æ£»below 70%rh

Insulation Resistance

Above 20M¦¸ (500V between circuit and case)

Pressure resistance

AC 3700V/rms(between circuit and case)

External Magnetic Field

£¼40A/m

External Electric Field

£¼1V/m

Suitable for Safety Regulations

IEC61010-1(CAT ¢ó 300V¡¢CAT IV 150V¡¢Pollution degree2)£»IEC61010-031£»IEC61557-1(earth resistance)£»



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