UDH-120

Insulation Resistance Testers
UDH-120-min

Insulation Resistance Tester 12 kV

Model : UDH-120

Machine Feature

  • Automatic-microcontroller operated Designed in strict accordance to: IEC 61010-1
    Test Voltages: 0.5kV, 1kV, 2.5kV, 5kV, 10kV, 12kV DC
    High short circuit current of up to 8mA
  • Standard test voltages-0.5kV, 1kV, 2.5kV, 5kV
  • Resistance range to 10TΩ
  • Anti-interference capability : 50mA (induced voltage 2kV AC 50 Hz)
  • Useful in high voltage sub-station, large transformers and long cables.
  • Measure and display leakage current
  • Measure and display capacitance
  • Display actual test voltage applied
  • Automatic measure, remember and display resistance values at 15 sec, 60 sec and 600 sec
  • Automatic calculation and display of Absorption Ratio (DAR) and Polarization Index(PI)
  • Automatic calculation and display of Absorption Ratio (DAR) and Polarization Index(PI)
  • Analog pointer coexists with digital display, reflecting the dynamic change of insulation resistance during test process
  • Automatic discharge function with measure and display of real time discharged voltage
  • Audio alarm during voltage boost and presence of HV output
  • Battery status display with intelligent charging management
  • Automatic shut down function.
  • Short circuit protected.
  • Shielded test leads supplied
  • Display of ambient temp. date & time & elapsed test time
  • Power source: Internal re-chargeable battery / AC mains

Machine Technical Specification

Test Voltage 0.5 / 1 / 2.5 / 5 / 10 / 12 kV DC
Voltage accuracy +/- 5% of rated value
Range & accuracy 1kV : 5MΩ-50GΩ :+/- 5%rdg +/-5 dgt
2.5kV: 5MΩ-100GΩ :+/- 5%rdg +/-5 dgt
5kV : 5MΩ-200GΩ :+/- 5%rdg +/-5 dgt
10kV : 5MΩ-500GΩ :+/- 5%rdg +/-5 dgt
1kV : 50GΩ-200GΩ :+/- 10%rdg +/-5 dgt
2.5kV: 100GΩ-500GΩ :+/- 10%rdg +/-5 dgt
5kV : 200GΩ-1000GΩ:+/- 10%rdg +/-5 dgt
10kV : 500GΩ-2000GΩ:+/- 10%rdg +/-5 dgt
12kV : 500GΩ-2000GΩ:+/- 10%rdg +/-5 dgt
Test modes Insulation resistance (IR) Polarization index (PI) Absorption ratio (DAR)
Range: DAR / PI Functions 0.01 – 99.99
Power source Internal rechargeable battery / mains 220V AC
Ambient 5-45 deg C / RH= max 80%
Enclosure Strong molded cabinet with cover
Dimensions 34 x 32 x 13 cm approximate
Weight 5 kg approximate

Accessories

  • Test leads 3 meter long 1 set
  • Earth lead 1 pc
  • Mains Cord 1 pc
  • Operating manual 1 pc

Optional Accessories

  • Calibration resistance
  • 200 Meg ohm 5 kV 2%
  • 500 Meg ohm 5 kV 2%
  • 10 Giga ohm 5 kV 2%
  • 50 Giga ohm 5 kV 2%
+ Feature

Machine Feature

  • Automatic-microcontroller operated Designed in strict accordance to: IEC 61010-1
    Test Voltages: 0.5kV, 1kV, 2.5kV, 5kV, 10kV, 12kV DC
    High short circuit current of up to 8mA
  • Standard test voltages-0.5kV, 1kV, 2.5kV, 5kV
  • Resistance range to 10TΩ
  • Anti-interference capability : 50mA (induced voltage 2kV AC 50 Hz)
  • Useful in high voltage sub-station, large transformers and long cables.
  • Measure and display leakage current
  • Measure and display capacitance
  • Display actual test voltage applied
  • Automatic measure, remember and display resistance values at 15 sec, 60 sec and 600 sec
  • Automatic calculation and display of Absorption Ratio (DAR) and Polarization Index(PI)
  • Automatic calculation and display of Absorption Ratio (DAR) and Polarization Index(PI)
  • Analog pointer coexists with digital display, reflecting the dynamic change of insulation resistance during test process
  • Automatic discharge function with measure and display of real time discharged voltage
  • Audio alarm during voltage boost and presence of HV output
  • Battery status display with intelligent charging management
  • Automatic shut down function.
  • Short circuit protected.
  • Shielded test leads supplied
  • Display of ambient temp. date & time & elapsed test time
  • Power source: Internal re-chargeable battery / AC mains
+ Technical Specification

Machine Technical Specification

Test Voltage 0.5 / 1 / 2.5 / 5 / 10 / 12 kV DC
Voltage accuracy +/- 5% of rated value
Range & accuracy 1kV : 5MΩ-50GΩ :+/- 5%rdg +/-5 dgt
2.5kV: 5MΩ-100GΩ :+/- 5%rdg +/-5 dgt
5kV : 5MΩ-200GΩ :+/- 5%rdg +/-5 dgt
10kV : 5MΩ-500GΩ :+/- 5%rdg +/-5 dgt
1kV : 50GΩ-200GΩ :+/- 10%rdg +/-5 dgt
2.5kV: 100GΩ-500GΩ :+/- 10%rdg +/-5 dgt
5kV : 200GΩ-1000GΩ:+/- 10%rdg +/-5 dgt
10kV : 500GΩ-2000GΩ:+/- 10%rdg +/-5 dgt
12kV : 500GΩ-2000GΩ:+/- 10%rdg +/-5 dgt
Test modes Insulation resistance (IR) Polarization index (PI) Absorption ratio (DAR)
Range: DAR / PI Functions 0.01 – 99.99
Power source Internal rechargeable battery / mains 220V AC
Ambient 5-45 deg C / RH= max 80%
Enclosure Strong molded cabinet with cover
Dimensions 34 x 32 x 13 cm approximate
Weight 5 kg approximate
+ Standard Accessories

Accessories

  • Test leads 3 meter long 1 set
  • Earth lead 1 pc
  • Mains Cord 1 pc
  • Operating manual 1 pc

Optional Accessories

  • Calibration resistance
  • 200 Meg ohm 5 kV 2%
  • 500 Meg ohm 5 kV 2%
  • 10 Giga ohm 5 kV 2%
  • 50 Giga ohm 5 kV 2%
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