UNI-T UT501E Insulation Resistance Tester

Insulation resistance measurement up to 4GΩ.

Selectable test voltages: 100V, 125V, 250V, 500V, and 1000V.

PI (Polarization Index) and DAR (Dielectric Absorption Ratio) functions.

Fast insulation testing with 2.5× faster measurement speed.

Low resistance measurement range from 0Ω to 400Ω.

AC/DC voltage measurement up to 600V.

Audible and visual high-voltage alarm.

Automatic discharge after testing for enhanced safety.

Remote-control test lead for improved field operation.

Data storage for up to 99 measurement records.

USB connectivity with PC software analysis support.

Safety lock function to prevent accidental operation.

IP54-rated enclosure for industrial environments.

CAT III 600V safety rating.

Rechargeable 11.1V lithium battery system.

Rugged industrial housing designed for field and plant environments.

Store in a clean, dry location away from excessive heat and moisture.

Inspect test leads before each use for wear or damage.

Clean the instrument with a soft, dry cloth only.

Recharge the lithium battery regularly to maintain optimal performance.

Follow all applicable electrical safety procedures during testing.