KYORITSU KEW 4105A Earth Tester

KYORITSU KEW 4105A Earth Tester | Digital Ground Resistance Meter

The Professional's Choice for Grounding Safety in Sri Lanka

The KYORITSU KEW 4105A is a robust and precise digital earth tester, renowned for its accuracy and durability in professional electrical testing. Engineered for demanding field conditions, this ground resistance tester is the ideal choice for electricians, utility engineers, and safety inspectors across Sri Lanka. Whether you're performing critical earth pit testing, verifying lightning protection systems, or conducting routine safety audits, the KEW 4105A delivers reliable ground resistance measurement every time.

As a compact and lightweight handheld earth tester, it offers exceptional portability without compromising on features. Its dust and drip-proof (IP54) construction ensures it can withstand challenging environments. This powerful earth megger combines advanced safety functions with user-friendly operation, making it an indispensable tool for ensuring electrical system integrity and compliance.

Key Features of this Digital Earth Tester

Dust and Drip Proof (IP54) Construction

Designed to withstand harsh on-site conditions, this earth ground tester is protected against dust and water splashes, ensuring reliable performance in any weather.

Accurate 3-Wire and Simplified 2-Wire Testing

Supports both the standard 3-wire (Fall-of-Potential) method for precise earth resistance measurement and a simplified 2-wire method for quick checks.

Advanced Safety & Warning Functions

Conforms to IEC 61010-1 safety standards and includes a live circuit warning LED. It also alerts the user if the resistance of auxiliary earth spikes is too high, preventing inaccurate readings.

Wide Measurement Ranges

Measures earth resistance up to 2000Ω and earth voltage up to 200V AC, making it suitable for a broad spectrum of grounding system applications.

Small, Lightweight & Portable Design

Its compact form factor and included shoulder strap make it easy to carry and operate, perfect for extensive fieldwork and site-to-site inspections.

User-Friendly Operation

Features a large, easy-to-read digital display and an auto power-off function to conserve battery life, ensuring a seamless testing experience.

Common Applications

This professional ground resistance tester is essential for:

Electrical Installation & Maintenance

Use as an earth pit resistance tester to inspect and certify the grounding systems of commercial buildings, industrial plants, and power distribution networks.

Lightning Protection & Telecommunications

Verify the effectiveness of lightning rods and assess ground conditions for communication towers to ensure system integrity and safety.

Industrial Safety & Compliance Audits

Conduct regular checks on machinery and electrical infrastructure to comply with safety regulations and protect personnel from electrical faults.

Technical Specifications for the Earth Resistance Meter

Product Name

KYORITSU KEW 4105A Digital Earth Tester

Earth Resistance (Ω)

0~20Ω (±2%rdg±0.1Ω); 0~200Ω / 0~2000Ω (±2%rdg±3dgt)

Earth Voltage (V)

0~200V AC (50/60Hz) (±1%rdg±4dgt)

Safety Standards

IEC 61010-1 CAT III 300V Pollution Degree 2, IEC 61557-1, 5, IEC 61010-2-030

IP Rating

IP54 (dust and drip proof)

Power Source

6 x 1.5V batteries (R6P/AA)

Dimensions

105(L) × 158(W) × 70(D)mm

What's in the Box?

1 x KYORITSU KEW 4105A Earth Tester

1 x Set of Test Leads (Red, Yellow, Green)

1 x Simplified Measurement Probe Set

2 x Auxiliary Earth Spikes

6 x 1.5V Batteries (R6P)

1 x Shoulder Strap

1 x Hard Carrying Case

1 x English User Manual

Downloads

📄 Download KYORITSU KEW 4105A Data Sheet

📄 Download KYORITSU KEW 4105A User Manual