Home » UNI-T True RMS Insulation Resistance Tester, 50-1000 V, 20 GΩ, PI & DAR – UT505A
UNI-T

UNI-T True RMS Insulation Resistance Tester, 50-1000 V, 20 GΩ, PI & DAR – UT505A

SKU: 003113
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63.433 Ft inc. VAT
In stock · 3 items available
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The UNI-T UT505A is a handheld True RMS insulation resistance tester offering five test voltages up to 1kV and measurements up to 20GΩ. It combines insulation testing with AC/DC voltage and low-resistance measurement for electrical installation, maintenance and equipment diagnostics.

Key Features

  • Five selectable insulation test voltages from 50V to 1000V
  • Measures insulation resistance from 0.01MΩ up to 20GΩ
  • PI and DAR measurements for evaluating insulation condition
  • True RMS AC/DC voltage measurement with a 6000-count display
  • Automatic discharge, high-voltage warning and live-circuit detection for safer operation

Product Specifications

Specification Details
Brand UNI-T
Model UT505A
Instrument Type Handheld True RMS insulation resistance tester
Insulation Test Voltages 50V, 100V, 250V, 500V and 1000V
Test Voltage Adjustment 50% to 120% of selected range in 10% steps
Insulation Resistance Range 0.01MΩ to 20GΩ
50V Test Range 0.01MΩ to 50MΩ
100V Test Range 0.01MΩ to 100MΩ
250V Test Range 0.01MΩ to 200MΩ
500V Test Range 0.01MΩ to 500MΩ
1000V Test Range 0.1MΩ to 20GΩ
Short-Circuit Current Less than 2mA
Low-Resistance Range 0.01Ω to 20.00kΩ
AC Voltage Range 0.0V to 600.0V, True RMS
DC Voltage Range 0.0V to 600.0V
Insulation Diagnostic Functions Polarisation Index (PI) and Dielectric Absorption Ratio (DAR)
Additional Functions Timed testing, comparison function, data hold and automatic ranging
Data Storage 99 readings
Display 6000-count backlit LCD with analogue bar graph
Safety Functions Automatic discharge, high-voltage warning and live-circuit warning
Applicable Standards IEC 61557-1, IEC 61557-2 and IEC 61557-4
Power Supply 6 × 1.5V AA batteries
Dimensions 225 × 103 × 59mm
Net Weight Approximately 630g

Applications

  • Motor and generator winding insulation testing
  • Electrical cable and wiring insulation inspection
  • Transformer, switchgear and electrical panel maintenance
  • Preventive maintenance of industrial electrical equipment

Included Components

  • UNI-T UT505A insulation resistance tester
  • Test leads and test probes
  • Alligator clips
  • 6 × 1.5V AA batteries
  • Carrying bag and user documentation

24-Month Product Warranty

Consumer purchases of this product include a 24-month PERIPLUS commercial product warranty from the date of delivery. This warranty is additional to, and does not limit, any mandatory statutory consumer rights.

See our full EU Legal Guarantee and Product Warranty Policy for coverage, exclusions and claim instructions.