AR4105B Smart Sensor Earth Resistance Tester in Pakistan

Buy Now AR4105B Smart Sensor Earth Resistance Tester at Best Price in Pakistan 2026.
The AR4105B Smart Sensor Earth Resistance Tester is a professional grounding (earthing) measurement instrument designed to accurately test earth resistance in electrical installations. It is widely used in power systems, industrial plants, buildings, transformers, and electrical safety inspections to ensure proper grounding and protection against electrical faults.

This device uses 2-line and 3-line measurement methods and provides reliable readings for grounding systems in electrical networks. It is suitable for electricians, engineers, and maintenance teams working in industrial and commercial environments across Pakistan.

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Key Features

Measures earth (ground) resistance with high accuracy.
Supports 2-wire and 3-wire testing methods.
Measuring range up to 1999Ω with multiple selectable ranges.
Measures ground voltage up to 200V.
Auto power-off function for battery saving.
Overload protection for safe operation.
Backlit LCD display for easy reading in low light.
Portable and lightweight design for field use.
IP54 protection for dust and water resistance.
Complies with IEC safety standards for electrical testing.

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Technical Specifications

Earth Resistance Measurement

Range: 0.5Ω to 1999Ω (3 ranges: 20Ω / 200Ω / 2000Ω)
Resolution: 0.01Ω / 0.1Ω / 1Ω
Accuracy: ±(2% reading + offset depending on range)

Ground Voltage Measurement

Range: 0 to 200V
Resolution: 0.1V
Accuracy: ±2% reading ±5 digits

General Specifications

Measurement Methods: 2-wire / 3-wire
Display: LCD with backlight
Power Supply: 6 × AA batteries (or 9V external supply depending on version)
Protection: Overload protection, IEC safety compliance
Operating Temperature: 0°C to 40°C
Weight: approx. 530g
Dimensions: approx. 174 × 122 × 65 mm

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Applications

Electrical grounding system testing.
Power distribution and transformer stations.
Building and construction electrical safety checks.
Industrial plant maintenance.
Telecommunication grounding inspection.
Electrical installation verification.

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Package Includes

AR4105B Earth Resistance Tester
Test leads and grounding rods
Connecting cables
Carrying bag
Batteries
User manual