Field Instruments

Product Overview

The Kyoritsu KEW 4105DL Earth Tester is a reliable and versatile digital grounding (earth resistance) tester engineered for electricians, installers, and maintenance professionals. It combines accurate earth resistance measurement with simple operation, making it ideal for grounding system verification in industrial, commercial, and residential installations.

With enhanced measurement ranges and user-friendly features, the 4105DL delivers stable results even in challenging field environments.

Key Features

• Digital earth resistance measurement
• 3-wire and 2-wire testing capability
• Large easy-to-read LCD display
• Earth voltage measurement function
• Automatic checking of auxiliary spike resistance
• Three selectable resistance ranges
• IP54 protection — dust and splash resistant
• Rotary selector switch for easy operation
• Built-in overload protection on terminals
• Compact, ergonomic and lightweight

Technical Specifications

Manufacturer Information

• Manufacturer: Kyoritsu
• Model: KEW 4105DL Digital Earth Tester

Measurement Ranges

Earth Resistance (Ω):
• 0–20 Ω
• 0–200 Ω
• 0–2000 Ω

Earth Voltage:
• 0–200 V AC

Accuracy

Earth Resistance:
• ±2% of reading ±0.1 Ω (20 Ω range)
• ±2% of reading ±3 digits (200 Ω & 2000 Ω)

Earth Voltage:
• ±1% of reading ±4 digits

Overload Protection

• Earth resistance terminals: withstands 280 V AC for 10 seconds
• Earth voltage measurement: withstands 300 V AC for 1 minute

General Specifications

• Safety Standards: IEC61010-1 CAT II 300 V, IEC61557-1/5
• Protection Rating: IP54
• Power Supply: 6 × AA (1.5 V) batteries
• Dimensions: Approx. 105 × 158 × 70 mm
• Weight: Approx. 550 g

Standard Accessories

• Earth resistance test leads set (red, yellow, green)
• Auxiliary earth spikes (2 pcs)
• Measurement probe
• Shoulder strap
• 6 × AA batteries
• Instruction manual
• Soft carrying case

Applications

• Electrical grounding system testing
• Industrial plant earthing verification
• Substation and power ground testing
• Lightning protection system inspection
• Preventive maintenance and compliance checking
• Facility commissioning and regulatory testing

Why Buy from FieldInstruments.lk? (Kyoritsu KEW 4105DL)

• 100% Genuine Kyoritsu Instruments – Original products with manufacturer warranty
• Competitive pricing with fast island-wide delivery
• Trusted supplier for professional electrical test equipment
• Local warranty support and technical assistance
• Reliable after-sales service and calibration guidance
• Expert consultation for earthing and safety testing applications

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk