top of page

What is a High Voltage Insulation Tester

In the realm of electrical maintenance and safety, ensuring the integrity of insulation is paramount. This is where high voltage insulation testers come into play. These specialized instruments deliver a controlled high voltage to electrical equipment, measuring the resulting leakage current to assess the insulation's condition.

Why Use a High Voltage Insulation Tester?

Over time, electrical insulation can degrade due to factors like heat, moisture, and mechanical stress. This degradation can lead to increased leakage current, which ultimately compromises the safety and reliability of electrical systems. Regular high voltage insulation testing helps identify potential problems before they escalate into costly failures or safety hazards.

Key Features of a High Voltage Insulation Tester

Here's a breakdown of some crucial features to consider when choosing a high voltage insulation tester:

  • Test Voltage Range: This refers to the range of voltages the tester can output for testing. A wider range allows for testing various electrical equipment with diverse voltage ratings.

  • Measurement Range: This indicates the range of insulation resistance the tester can measure. A high measurement range ensures accurate assessment of even high-resistance insulation.

  • Test Modes: Different test modes offer flexibility for specific applications. Common modes include DC insulation testing, polarization index (PI) and dielectric absorption ratio (DAR) calculation, and insulation breakdown voltage testing.

  • Safety Features: High voltage testing necessitates robust safety features. Look for features like discharge functions, ground leakage current detection, and overload protection.

  • Ease of Use: A user-friendly interface with clear readings and intuitive controls is crucial for efficient and safe testing.

The KEW 3125A: A High-Performance Insulation Tester from Kyoritsu Japan

Kyoritsu, a leading name in electrical test and measurement instruments, offers the KEW 3125A as a prime example of a high-performance insulation tester. Let's explore its key features:

  • Versatility: The KEW 3125A boasts a wide test voltage range of 50V to 1000V DC, catering to diverse testing needs.

  • High Measurement Range: It offers a broad insulation resistance measurement range of 0.1 MΩ to 10000 GΩ, ensuring accurate results for a variety of electrical components.

  • Advanced Test Modes: This tester features DC insulation testing, PI and DAR calculation, insulation breakdown voltage testing with automatic current limiting, and a continuous testing mode.

  • Enhanced Safety: The KEW 3125A prioritizes safety with a high-voltage discharge function, ground leakage current detection, and overload protection.

  • User-Friendly Design: The tester features a large LCD display for clear readings, function buttons for easy operation, and a lightweight, compact design for portability.

Optimum Performance for Electrical Professionals

The KEW 3125A, with its comprehensive features and user-centric design, empowers electrical professionals with a reliable tool for ensuring electrical safety and system integrity. By incorporating high voltage insulation testing with the KEW 3125A into your maintenance routines, you can:

  • Prevent costly downtime by proactively identifying potential insulation issues.

  • Enhance electrical safety by ensuring proper insulation performance and minimizing leakage current risks.

  • Comply with safety regulations by adhering to industry standards for electrical testing.

Invest in Confidence with Kyoritsu KEW India Instruments Pvt. Ltd.

Kyoritsu KEW India, the authorized distributor of Kyoritsu instruments in India, provides you with access to the KEW 3125A and a range of high-quality electrical test and measurement solutions. Contact Kyoritsu KEW India today to explore how the KEW 3125A can elevate your electrical maintenance practices.


bottom of page