Megger MIT1025 10-kV Insulation Resistance Tester Specifications

Megger MIT1025 10kV Insulation Resistance Tester

The Megger MIT1025 10-kV Insulation Resistance Tester is one of the best choices when it comes to insulating resistance measurement.  With features to simplify and accurately assess insulation condition, the Megger MIT1025 10-kV is one of the most popular resistance testers available on the market.

SPECIFICATIONS:

AC voltage (autoranging): 90-264 V rms, 47- 63 Hz 100 VA

Battery charge time: 2.5 hours deep discharge, 2 hours normal discharge

Battery life: 4.5 hours (typical) continuous testing at 10 kV with a 100 MW load

Test voltage: 500 V, 1000 V, 2500 V, 5000 V, 10000 V, VL

Lock test voltage: 40 V to 1 kV in 10 V steps, 1 kV to 5 kV in 25 V steps, 5 kV to 15 kV in 25 V steps

Test voltage accuracy: +4%, -0%, ±10 V nominal test voltage at 1 GΩ load (0°C to 30°C)

Resistance range: 10 k to 15 TΩ @ 5 kV, 10 k to 35 TΩ @ 10 kV, 10 k to 35 TΩ @ 15 kV

Accuracy: (23 ºC)

10 kV 5000 V 2500 V 1000 V 500 V

±5% to 2 TW 1 TW 500 GW 200 GW 100 GW

±20% to 20 TW 10 TW 5 TW 2 TW 1 TW

Guard terminal performance: Guards out parallel leakage resistance down to 250 kΩ with a maximum additional resistance error of 1% with a 100 MΩ load

Display Analogue: 100 kΩ to 10 TΩ

Digital: 10 kΩ to 305 TΩ

Short circuit/charge current: 3 mA @ 5 kV, 10 kV, 15 kV

Insulation test Alarm: 100 kW to 10 GW

Capacitor charge: <5 s/μF at 3 mA to 10 kV

Capacitor discharge Capacitance range With test voltage set above 500 V: 10 nF to 25 μF

Capacitance measurement accuracy: ±10% ±5 nF

Current range: 0.01 nA to 6 mA

Current accuracy: ±5% ±0.2 nA at all voltages (23 °C)

Interference: 3 mA from 960 V to 10 kV

Voltmeter range: 30 V to 660 V ac or dc, 45Hz – 65Hz

Voltmeter accuracy ±3%, ±3V

Timer range: Up to 99 minutes 59 seconds,15 second minimum setting

Memory capacity: 5.5 hours logging @ 5 sec intervals

Test modes: IR, IR(t), DAR, PI, SV, DD, ramp test

Interface: USB type B (device)

Real time output: 1 Hz output readings (V, I, R)

 

ENVIRONMENTAL

  • Maximum altitude: 3000 m (5 kV, 10 kV) 3000 m (15 kV)
  • Operating temperature range: -20 °C to 50 °C
  • Storage temperature range: -25 °C to 65 °C
  • Humidity: 90% RH non-condensing at 40 °C
  • IP rating: IP65 (lid closed), IP40 (lid open)

 

SAFETY

  • Safety: CAT IV 600 V to 3000 m altitude
  • EMC: Meets the requirements of IEC61326-1
  • Dimensions: L 315 mm x W 285 mm x H 181 mm
  • Weight: 4.5 kg