Insulation Resistance Meter - UNI-T UT505A 1 000 V 20 GΩ
Product reference: 14-6935750550519

UNI-T UT505A - insulation resistance meter, performing tests at 50-1,000 V DC and measuring insulation resistance up to 20 GΩ. It also measures AC and DC voltages up to 600 V, resistance and circuit continuity, and the PI and DAR functions help assess the condition of the insulation.

Insulation Resistance Meter - UNI-T UT505A 1 000 V 20 GΩ

Product reference: 14-6935750550519

UNI-T UT505A - insulation resistance meter, performing tests at 50-1,000 V DC and measuring insulation resistance up to 20 GΩ. It also measures AC and DC voltages up to 600 V, resistance and circuit continuity, and the PI and DAR functions help assess the condition of the insulation.

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298,24 €
Product in warehouse

Guarantee
24 month

Delivery from Europe in
8 - 9
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UNI-T UT505A 1000V 20GΩ


UNI-T UT505A - insulation resistance meter with a DC test voltage of 50-1000 V and a measurement range of up to 20 GΩ. It also measures AC and DC voltage, resistance and circuit continuity up to 600 V, and also has PI and DAR functions.


  • Professional insulation resistance meter and digital multimeter in one device.
  • Insulation can be tested using 50 V, 100 V, 250 V, 500 V or 1000 V DC; measurements up to 20 GΩ are possible.
  • PI and DAR analysis allows for a detailed assessment of the insulation condition.
  • Measures AC and DC voltage up to 600 V, as well as resistance and circuit continuity. The device has True RMS, memory and auto-discharge functions.

Product information

Product type Insulation resistance meter with digital multimeter
Brand UNI-T
Model UT505A

Insulation resistance measurement

Test voltages 50 V, 100 V, 250 V, 500 V and 1000 V DC
Measuring range at 50 V 0.01 MΩ-50 MΩ; accuracy ±(3% + 5)
Measuring range at 100 V 0.01 MΩ-100 MΩ; accuracy ±(3% + 5)
Measuring range at 250 V 0.01 MΩ-200 MΩ; accuracy ±(1.5% + 5)
Measuring range at 500 V 0.01 MΩ-500 MΩ; accuracy ±(1.5% + 5)
Measuring range at 1000 V 0.1 MΩ-2 GΩ; accuracy ±(1.5% + 5)
2 GΩ-9.9 GΩ; accuracy ±(10% + 3)
10 GΩ-20 GΩ; accuracy ±(20% + 10)
Test current 1 mA load current; short-circuit current less than 2 mA
Test voltage adjustment Adjustment in 10% steps
Insulation analysis Polarization Index (PI), Dielectric Absorption Ratio (DAR) and Measurement by Test Duration

Multimeter functions

DC voltage 0-600 V; accuracy ±(2 % + 3)
Alternating voltage 0-600 V; accuracy ±(2 % + 3); True RMS
Resistance 0.01 Ω-20 kΩ; accuracy ±(1.5% + 3)
Checking the integrity of the circuit Audible integrity signal

Additional technical features

Measurement modes Automatic ranging, comparative measurements and data retention
Memory Saves up to 99 measurement results
Unloading function Automatic discharge of the circuit under test after insulation test
Display Backlit LCD display with 30-segment analog bar graph
Indicators Low battery, overrange and high voltage indicators

Recommended use

Suitable For testing electrical installations, wires, cables, motor windings, transformer windings, industrial equipment, electrical cabinets and mechanisms

Safety warning

Important safety information For professional electrical testing only. Follow the instrument instructions and applicable electrical safety procedures. Disconnect and isolate the circuit before connecting the meter, make sure that the circuit is de-energized before performing the insulation test, and do not touch the test leads or the circuit under test during the test. During the insulation test, a dangerous voltage of up to 1000 V DC is generated; wait until the automatic discharge is complete before touching the circuit. Use the meter only for its intended purpose and do not exceed the specified measurement limits.

Height100mm
Length350mm
Weight700g
Width250mm
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