Kyoritsu 3125A High Voltage Insulation Tester – Reliable, Accurate & Rugged

Author: India Meters Team
Published by: IndiaMeters.in
Contact: šŸ“ž +91-8961089611 | šŸ“§ info@indiameters.in

✅ Why Choose the Kyoritsu 3125A?

The Kyoritsu 3125A High Voltage Insulation Tester is a globally trusted instrument designed for professionals in power, electrical maintenance, and industrial applications. Known for its accuracy, ruggedness, and ease of use, it ensures reliable insulation testing up to 5 kV in the harshest environments.

Whether you're a site engineer, technician, or QA inspector, this device is engineered to perform consistently under pressure.

Kyoritsu 3125A High Voltage Insulation Tester with LCD display showing 5000MĪ© resistance and 5kV test voltage.
Kyoritsu 3125A 5kV Insulation Tester – Reliable for industrial and substation insulation resistance testing.

šŸ” Key Features at a Glance

FeatureDescription
Test Voltages250V / 500V / 1000V / 2500V / 5000V
Insulation Resistance RangeUp to 1 TĪ©
DisplayLarge backlit LCD with digital and analog indication
Power SupplyRechargeable battery with AC adapter
Safety RatingsIEC 61010-1 CAT IV 600V
FunctionsTimed tests, polarization index, dielectric absorption ratio

šŸ›  Practical Applications

The 3125A is widely used in:

  • Power transmission and distribution systems

  • Transformer and generator insulation testing

  • Substation equipment and high voltage cable checks

  • Preventive maintenance in factories and refineries

šŸ§  Expert Insight: What Makes It Stand Out?

Unlike many insulation testers, the 3125A is built for field use. Its IP64-rated rugged casing, built-in safety features, and precise analog/digital combo display allow for dependable results even in extreme conditions.

“We’ve seen consistent performance from the 3125A in offshore environments and high-humidity zones — it’s a workhorse,” says an electrical QA engineer from a top EPC company in India.

šŸ“¦ What's in the Box?

  • Kyoritsu 3125A Main Unit

  • Test leads and alligator clips

  • Hard carrying case

  • Instruction manual

  • Calibration certificate

  • Rechargeable battery and charger

šŸ”’ Safety and Standards

This tester complies with:

  • IEC 61010-1

  • IEC 61557

  • CE marking

  • Built-in discharge function for safety

❓ FAQs

Q1. Is the 3125A suitable for testing 11kV cables?
Yes, it’s ideal for insulation resistance testing of 11kV and 33kV class cables.

Q2. Does it come with calibration?
Absolutely. Every unit is shipped with a valid calibration certificate.

Q3. Can I use it in outdoor environments?
Yes. With an IP64 rating, it’s designed to withstand rough site conditions.

šŸ“¬ Get in Touch

Have questions or need a quotation?
šŸ“§ Email: info@indiameters.in
šŸ“ž Phone/WhatsApp: +91-8961089611
šŸ‘‰ Order Now: Kyoritsu 3125A on IndiaMeters.in

If you are based in Kolkata, you can visit our offline store.

The address is: 
Industrial Supply Syndicate
54, Ezra Street, Kolkata - 700001

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