Insulation resistance meter - UNI-T UT501A 5 GΩ resistance meter
Product reference: 14-6935750550113

Digital insulation resistance meter with selectable test voltages of 100, 250, 500 and 1000 V, measuring resistance up to 5 GΩ. It also measures AC voltage up to 750 V, has a backlit LCD display, high voltage alarm and automatic discharge function.

Insulation resistance meter - UNI-T UT501A 5 GΩ resistance meter

Product reference: 14-6935750550113

Digital insulation resistance meter with selectable test voltages of 100, 250, 500 and 1000 V, measuring resistance up to 5 GΩ. It also measures AC voltage up to 750 V, has a backlit LCD display, high voltage alarm and automatic discharge function.

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90,37 €
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Guarantee
24 month

Delivery from Europe in
15 - 16
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UNI-T UT501A 5 GΩ insulation resistance meter


Digital insulation resistance meter with selectable test voltages of 100 V, 250 V, 500 V and 1000 V. It can measure resistance up to 5 GΩ and AC voltage up to 750 V. Equipped with a backlit LCD display, high voltage warning and automatic discharge.


  • Digital insulation resistance meter for testing cables, electrical installations, equipment and components.
  • Four selectable test voltages: 100 V, 250 V, 500 V and 1000 V. Insulation resistance is measured up to 5 GΩ.
  • AC voltage measurement up to 750 V. Backlit LCD display ensures clear readings in low light conditions.
  • High voltage warning, automatic circuit discharge and compact, battery-powered housing ensure safer work on site and during maintenance.

Product information

Product type Digital insulation resistance meter
Brand UNI-T
Model UT501A
Main purpose For testing insulation resistance of cables, electrical installations, equipment and components

Measurement specifications

Insulation test voltages 100V, 250V, 500V and 1000V
Insulation resistance range Up to 5 GΩ
AC voltage measurement 30-750V
Number of display readings 2,000
Short-circuit current Less than 2 mA
Internal resistance test 10 MΩ

Functions and design

Screen Illuminated LCD display with additional test voltage display
Safety features High voltage warning, audible alarm and automatic discharge of the circuit under test
Indicators Overrange and low battery indicators
Power supply 6 × 1.5V LR6 (AA) batteries
Construction Compact, portable, battery-powered body
Included accessories Test leads, insulated crocodile clips and case with strap

Safety warning

Warning For insulation testing only. Use the meter only for its intended purpose and comply with applicable electrical safety regulations. Disconnect and isolate the circuit before testing, do not touch the test leads or exposed conductors during measurement, and wait until the automatic discharge is complete before touching the circuit under test. This high-voltage measuring device may only be used by trained or qualified persons.

Height100mm
Length250mm
Weight650g
Width150mm
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