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The UT532 from UNI-T is a robust and compact insulation tester designed to measure insulation resistance, AC/DC voltage and current, resistance, capacitance, frequency and temperature. The multimeter can measure and display high resistance values on the 6,000-count screen. Furthermore, the UT532 is capable of measuring insulation resistances up to 2 G&ohm for 250 V, 500 V and 1,000 V. The UT532 is also equipped with the True-RMS and Max-Min mode functionalities. The AC voltages are calculated with True-RMS . The multimeter makes it possible to store 99 data entries. The UT532 offers more measurement possibilities than the UT531, such as temperature measurements, an extra level for insulation resistance measurements and a larger measurement range for the insulation resistance measurements.


Range and accuracy
Insulation resistance measurement
Specification Range Accuracy
250 V0.2 MΩ ~ 250 MΩ (±3%+5)
500 V0.5 MΩ ~ 500 MΩ (±3%+5)
1,000 V4.0 MΩ ~ 2 GΩ (±3%+5)
Other measurements
Specification Range Accuracy
DC voltage1.0 mV ~ 1000.0 V (±0.09%+6)
AC voltage1.0 V ~ 1000.0 V (±1%+3)
DC current1.0 mA ~ 600.0 mA (±1%+2)
AC current1.0 mA ~ 600.0 mA (±1.5%+2)
Resistance1.0 MΩ ~ 40.0 MΩ (±0.9%+2)
Capacitance1 nF ~ 100 μF (±3%+5)
Frequency1 Hz ~ 1 MHz (±0.1%+3)
Temperature-40°C ~ 537°C (±1%+10)
Safety CAT III 1000 V and CAT IV 600 V
Display count 6,000
Other functionalities Auto range, True-RMS, diode test, Data hold, Data Storage (99 data entries), Full icon display, Max/Min mode, Memory zeroing, Sleep mode, Low battery display, Data Hold
Power supply 6 x 1.5 Volt batteries
Dimensions LCD screen 81 x 46 mm
Weight 505 g
Dimension 97 mm x 203 mm x 46mm
Warranty 24 months

Please refer to the data sheet below for more information.


The UT532 comes with:

  • Test probe
  • English user manual
  • Crocodile clip
  • Batteries
  • Carrier bag
  • Contact point temperature probe