UNI-T UT502A Insulation Resistance Tester

The UNI-T UT502A is a 2500V digital insulation resistance tester (megohmmeter) featuring 500V/1000V/2500V test voltages and a 20GΩ maximum resistance range. It includes 2000-count LCD, auto-discharge, Polarization Index (PI), and Dielectric Absorption Ratio (DAR) functions, alongside 200Ω low resistance continuity testing.

Key Specifications & Features:
Insulation Test Voltages: 500V, 1000V, 2500V DC.
Insulation Resistance Range: Up to 20GΩ (at 2500V).
Resistance Measurement Accuracy: 0.01MΩ~99.9MΩ: 
AC Voltage Measurement: 30V ~ 600V/750V.
Display: 2000 count LCD with backlight.
Special Functions: PI and DAR measurements, auto-discharge, buzzer alarm, red warning light, and low battery indication.
Power Supply: 6 x 1.5V batteries (LR6/AA).
Dimensions & Weight: 150mm x 100mm x 71mm; approx 500g.

Other Details:
Safety Standards: CAT III 600V, IEC 61557.
Included Accessories: Test leads, alligator clips, and carrying bag.
Short-circuit Current: < 2mA.