UNI-T UT501C Insulation Resistance Tester 100V‑1000V Megohmmeter LED

Description

Product Overview

The UNI‑T UT501C is a digital insulation resistance tester designed for precise measurement of insulation resistance in industrial equipment. It offers a voltage output of 100V‑1000V, an automatic ranging system up to 5 GΩ, and an AC voltage measurement mode (30V‑750V, 50/60 Hz). The device features a high‑definition LED screen with backlight that activates during measurement, ensuring clear readouts in any lighting condition. Powered by six AA batteries (included), the tester weighs only 1.32 lb and measures 8.82 × 6.22 × 3.58 in, making it portable for field work.

Usage

Designed for electricians, maintenance technicians and engineers, the UT501C excels in testing transformers, motors, cables, switches and household appliances. Its robust construction tolerates harsh workshop environments, while the auto‑shutdown after ten minutes of inactivity conserves battery life. Whether you are performing routine preventive maintenance or troubleshooting a fault, the tester’s data retention feature lets you record and compare results easily.

Why Choose Us

UNI‑T combines large‑scale integrated circuits with advanced digital processing to deliver accurate, repeatable measurements. The UT501C undergoes strict quality control and comes with a one‑year warranty, reflecting our commitment to reliability and customer support. Its intuitive interface reduces training time, and the low‑battery warning ensures you never lose power mid‑test.

Key Features

• Wide voltage range 100V‑1000V for versatile testing across many equipment types
• Maximum resistance measurement of 5 GΩ provides confidence in detecting insulation failures
• Large LED display with automatic backlight for clear readings in any lighting
• Auto‑range and data retention simplify operation and improve efficiency
• Comprehensive after‑sales support and one‑year warranty for peace of mind

FAQ

What batteries does the UT501C use?

The tester requires six AA batteries, which are included in the package for immediate use.

Can the device measure AC voltage?

Yes, it measures AC voltage from 30V to 750V at 50 Hz or 60 Hz, useful for checking insulation under AC conditions.

How does the auto‑shutdown feature work?

If the tester is idle for ten minutes, it automatically powers down to preserve battery life.

Is data stored after each measurement?

Yes, the last measurement is retained on the display until a new test is performed.

What is the warranty period?

The UT501C comes with a one‑year limited warranty covering manufacturing defects.