• World’s fastest measurement speed (0.5 sec.)
  • Six ranges available for insulation resistance test (50/100/125/250/500/1000 V)
  • Insulation measurement up to 40GΩ
  • Diagnostic Insulation Test : PI, DAR

KEW3551 : Standard model
KEW3552 : With memory function
KEW3552BT : With memory and Bluetooth communication functions