UT501A – 1kV Digital Insulation Resistance Tester

Affordable and Reliable Insulation Testing for Electricians and Maintenance Professionals

What does it do?
The UT501A is a compact digital insulation resistance tester capable of applying test voltages up to 1000V and measuring insulation resistance up to 5GΩ. It’s ideal for quick and reliable insulation checks on cables, motors, electrical panels, and small machinery.

Who is it for?
Designed for electricians, HVAC technicians, and general maintenance personnel who need a simple, portable, and affordable solution for insulation testing in the field.

Why is it better?

• Test Voltages: Selectable 100V, 250V, 500V, and 1000V ranges

• Resistance Range: Measures insulation resistance up to 5 gigaohms

• Live Voltage Warning: Alerts the user when voltage is present on the circuit

• Data Hold Function: Easily capture and read measurements

• Backlit Display: Clear readings even in dimly lit areas

• Battery and Auto Power Off: Long battery life with intelligent shutdown to save power

Key Features:

• Test Voltages: 100 V, 250 V, 500 V, 1000 V

• Insulation Resistance Measurement: Up to 5 GΩ

• AC Voltage Detection: Up to 750 V

• Automatic Discharge of Capacitive Voltage

• Live Wire Detection for added safety

• Backlit LCD Display for visibility in dim environments

• Continuity Buzzer and Overload Protection

• Portable and Rugged Design with shoulder strap and carry case

• IEC 61010-1, CAT III 600 V Rated

Best For:

• Electrical maintenance and inspections

• HVAC and appliance repair

• Motor and cable testing

• Field service technicians

What's Included:

• UNI-T UT501A Insulation Tester

• Test leads and alligator clips

• Batteries

• User manual

• Protective carry case

🔍 How It Compares: