The Motwane make Digital Insulation tester (Model: IT-250G spot ) is a microcontroller based battery operated insulation tester for measuring insulation of all types of electrical equipments. IT-250G spot has a digital and analog bar graph display designed for high voltage insulation resistance testing in the maintenance and servicing of cables, electric motors, transformers, switchgear and industrial installations.DC insulation tests are performed at 250V, 500V, 1000V, 2500V and 5000V. Insulation resistance measuring range is 1KΩ to 250GΩ. It also has continuity range for measuring continuity. Automatic discharge for charged objects is provided and decaying discharge voltage is displayed.

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  • Selectable test voltage 250V, 500V, 1000V, 2500V, 5000V.
  • Insulation Resistance measurement up to 250 GΩ
  • Programmable timer from 1 sec to 99 minutes
  • Internal Memory storage of 1000 readings.
  • GUARD terminal to eliminate surface leakages.
  • Auto Power Off to save battery
  • Auto calibration at every start up.
  • Continuity testing at 100mA Approx.
  • Battery status indicator.


Standard Accessories
  • 3 X 3m Test lead with large insulated clip
  • Instruction Manual
  • Calibration sheet
  • Carrying Bag
Optional Accessories
  • 3 X 10m Test lead with large insulated clip
  • Test lead set 1 meter long with one end pointed tip & another with 4mm shrouded banana. (For continuity Range).