Home » UNI-T Insulation Resistance Tester, 500-2500 V, 20 GΩ, PI & DAR – UT502A
UNI-T

UNI-T Insulation Resistance Tester, 500-2500 V, 20 GΩ, PI & DAR – UT502A

SKU: 003136
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39.325 Ft inc. VAT
In stock · 3 items available
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The UNI-T UT502A is a digital insulation resistance tester with selectable 500 V, 1000 V and 2500 V test voltages and a measuring range up to 20 GΩ. It also provides PI, DAR, low-resistance continuity and AC voltage measurements with automatic discharge and high-voltage warning functions.

Key Features

  • Selectable 500 V, 1000 V and 2500 V insulation test voltages
  • Measures insulation resistance up to 20 GΩ
  • Automatic PI and DAR calculations for evaluating insulation condition
  • Low-resistance continuity measurement with a test current above 200 mA
  • Automatic discharge with audible, visual and high-voltage warnings

Product Specifications

Specification Details
Brand UNI-T
Model UT502A
Product Type Digital insulation resistance tester
Insulation Test Voltages 500 V, 1000 V and 2500 V
Test Voltage Accuracy 0% to +10%
Insulation Resistance Range 0–20 GΩ
Accuracy: 0–99.9 MΩ ±(3% of reading + 5 digits)
Accuracy: 100 MΩ–9.9 GΩ ±(5% of reading + 5 digits)
Accuracy: 10–20 GΩ ±(10% of reading + 5 digits)
Rated Load Current 1 mA at 500 V/500 kΩ, 1000 V/1 MΩ and 2500 V/2.5 MΩ
Short-Circuit Current <2 mA
Low-Resistance Range 0–200 Ω
Low-Resistance Accuracy ±(2% of reading + 3 digits)
Low-Resistance Test Voltage Approximately 5 V
Low-Resistance Test Current >200 mA
AC Voltage Range 30–750 V
AC Voltage Accuracy ±(2% of reading + 3 digits)
Polarisation Index PI measurement
Dielectric Absorption Ratio DAR measurement at 60 s/15 s and 60 s/30 s
Display 2000-count LCD with backlight
Measurement Range Selection Automatic
Continuous Measurement Mode Yes
Automatic Discharge Yes
ZERO Compensation Yes, for low-resistance measurements
Warning Functions Audible alarm, red warning light and high-voltage indication
Automatic Power-Off Yes
Safety Rating CAT III 600 V
Applicable Standards IEC 61557-1, IEC 61557-2 and IEC 61557-4
Power Supply 6 × 1.5 V AA/LR6 batteries
Display Size 70.6 × 34 mm
Product Dimensions 150 × 100 × 71 mm
Product Net Weight 500 g
Product Colour Red and grey
Certifications CE, UKCA

Applications

  • Insulation testing of transformers, generators and high-voltage motors
  • Testing electrical cables, capacitors and surge arresters
  • Checking insulation between electrical circuits and earth
  • Low-resistance continuity testing of protective conductors

Included Components

  • 1 × UNI-T UT502A insulation resistance tester
  • 1 × Set of test leads and test probes
  • 1 × Set of alligator clips
  • 6 × 1.5 V AA/LR6 batteries
  • 1 × Carrying strap
  • 1 × Carrying bag
  • 1 × English user manual

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.