TM4105A Techman Earth Resistance Tester in Pakistan

The TM4105A TECHMAN Earth Resistance Tester is a high-performance digital grounding resistance meter designed for accurate and reliable measurement up to 2000Ω. It features automatic line resistance compensation, zero adjustment, and continuous measurement time settings for efficient field testing.

TM4105A digital earth tester is widely used for grounding resistance measurement and electrical safety inspection. It is considered an essential instrument for earthing (kekrod) testing, lightning protection systems, and industrial electrical maintenance.

This device is suitable for use in power utilities, telecommunications, railway systems, mining, oil and gas, chemical industries, and weather and lightning protection departments. In Pakistan, it is widely used by electricians, engineers, and solar installation professionals for accurate earthing verification.

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The Basic Parameters

Product Model

TM4105A Techman Earth Resistance Tester

Earthing Voltage

0 ~ 40V (50Hz / 60Hz) ±(1.0% + 4 digits)

Earthing Resistance

0 ~ 19.99Ω ±(2.0% + 0.1Ω)
0 ~ 199.9Ω ±(2.0% + 3 digits)
0 ~ 1999Ω ±(2.0% + 3 digits)

Measurement Method

Precision three-wire method / simplified test method

Display

1999 count LCD display

Special Functions

LCD backlight switch
Automatic line resistance compensation
Zero adjustment function
Continuous measurement time setting

Continuous Measurement

Up to 15 minutes continuous operation

Power Supply

6 × 1.5V batteries (not included)