
UNI-T UT505A Insulation Meter – 1kV 20GΩ
UT505A is a professional insulation resistance tester with built-in multimeter functionality, ideal for industrial and electrical maintenance.
Product Summary:
The UNI-T UT505A is a handheld True RMS insulation resistance tester that combines the features of a digital multimeter and insulation meter. It supports multiple test voltages, resistance up to 20GΩ, PI & DAR calculation, and high-voltage alarms, making it ideal for professional field and panel work.
Key Features:
True RMS insulation meter with multimeter functions
Test voltages: 50V/100V/250V/500V/1000V
Insulation resistance up to 20GΩ
PI (Polarization Index) and DAR (Dielectric Absorption Ratio) calculation
High voltage output alarm
99-group data storage
Auto power-off & backlit LCD
Short circuit current <2mA
Measures AC/DC voltage up to 600V
Applications:
Electrical panel testing
Industrial machine maintenance
Insulation health check for motors and transformers
Field troubleshooting in power systems
Preventive electrical audits
Product Benefits:
Combines insulation testing and multimeter in one device
Wide range of resistance and voltage testing
Enhances insulation monitoring with DAR/PI ratio
Increases safety with high-voltage warning
Compact and portable for on-site use
FAQs:
Q1. What is the maximum insulation resistance it can measure?
A1. It can measure insulation resistance up to 20GΩ at 1000V.
Q2. Can UT505A be used as a regular multimeter?
A2. Yes, it functions as a digital multimeter, measuring both AC and DC voltage up to 600V and low resistance up to 20kΩ.
Q3. What is the purpose of PI and DAR in insulation testing?
A3. PI and DAR help evaluate insulation quality over time, providing early warning signs of deterioration.