SANWA MG1000 Insulation Tester

SANWA MG1000 Insulation Tester | Digital Insulation Resistance Meter with Dustproof & Splashproof Design

Reliable and Accurate Electrical Insulation Testing for Safety and Maintenance in Sri Lanka

The SANWA MG1000 is a high-precision digital insulation resistance tester designed for measuring insulation resistance of power lines and electrical equipment up to 600V with outstanding safety and durability. Featuring three selectable test voltages (250V, 500V, and 1000V) and a wide measurement range of 4MΩ to 4000MΩ, this versatile insulated tester is perfect for electricians, engineers, and maintenance professionals in Sri Lanka’s industrial, power, and construction sectors.

Built to withstand tough environments, the MG1000 incorporates a dustproof and splashproof IP54-rated carry case, large backlit LCD with bar graph for intuitive analog-like reading, and hot-line state detection that prevents testing on live circuits above 30V AC/DC to enhance operator safety. Its features also include automatic range selection, data hold, auto discharge, and continuity testing with buzzer alarm, making it a reliable tool for everyday electrical safety inspections.

Key Features of the SANWA MG1000 Insulation Tester

Wide Insulation Test Voltage Range

Select from 250V, 500V, and 1000V to suit a variety of electrical testing applications.

Large 4200 Count Backlit LCD

Clear display with log bar graph for easy, analog-style reading in all lighting conditions.

Hot-Line State Detection

Automatically detects and prevents testing on live circuits over 30V AC/DC to protect the user.

Durable IP54 Dustproof & Splashproof Design

Built-in lock-down carry case ensures protection against dust and water for reliable field use.

Continuity Testing with Buzzer Alarm

Fast detection with audible buzzer and alarm indicator for electrical continuity checks.

Auto Range, Auto Hold & Auto Discharge

Convenience and safety features that simplify measurements and protect both user and equipment.

Common Applications

The SANWA MG1000 excels in:

Electrical Installation & Maintenance

Assessing insulation resistance of cables, transformers, motors, and switchgear to ensure electrical safety.

Industrial & Commercial Safety Audits

Reliable testing in harsh environments for compliance and preventive maintenance.

Troubleshooting & Quality Control

Fast identification of insulation degradation and continuity faults in electrical systems.

Technical Specifications of the SANWA MG1000

Insulation Resistance Range

4MΩ / 40MΩ / 400MΩ / 4000MΩ

Test Voltages

250V / 500V / 1000V

Continuity Test Range

4000Ω with buzzer and alarm indicator

AC/DC Voltage Measurement

Up to 600V (automatic detection)

Display

4200 counts LCD with backlight and log bar graph

Safety Features

Hot-line detection, auto discharge, IP54 case

Power Supply

6 x 1.5V AA (LR6) batteries

Dimensions & Weight

H170 x W142 x D57 mm / Approx. 600g

What's in the Box?

1 x SANWA MG1000 Insulation Tester

1 x Set of Test Leads

1 x Carrying Strap

6 x 1.5V AA Batteries (LR6)

1 x Instruction Manual

Downloads

📄 Download SANWA MG1000 Data Sheet

📄 Download SANWA MG1000 User Manual