• Bar graph to display insulation resistance
• Displays the value of external AC voltage with flashing symbol
• Auto null function to automatically subtract the test lead resistance before displaying the real continuity resistance value
• Live circuit warning buzzer
• Releasing the test button automatically discharges the charges stored in the circuit under test
• 200mA measuring current on continuity testing

• World's fastest class measurement speed (0.5 sec.)
• 6 ranges are available for insulation resistance test (50/100/125/250/500/1000V)
• Various lineup definitely fulfills your needs
  
  KEW3551 : Standard model
  
  KEW3552 : With memory function
  
  KEW3552BT : With memory and Bluetooth communication functions

• World's fastest class measurement speed (0.5 sec.)
• 6 ranges are available for insulation resistance test (50/100/125/250/500/1000V)
• Various lineup definitely fulfills your needs
  
  
  KEW3551 : Standard model
  
  KEW3552 : With memory function
  
  KEW3552BT : With memory and Bluetooth communication functions

• World's fastest class measurement speed (0.5 sec.)
• 6 ranges are available for insulation resistance test (50/100/125/250/500/1000V)
• Various lineup definitely fulfills your needs
  
  KEW3551 : Standard model
  
  KEW3552 : With memory function
  
  KEW3552BT : With memory and Bluetooth communication functions

  • Fast response and quick insulation test.
  • 3 functions in one unit, insulation test with 4 voltage ranges,
  continuity test, AC voltage measurement
  • 200mA measuring current on continuity testing
  • Comparator function with PASS / FAIL and buzzer
  • 0Ω adjustment at continuity measuring range
  • Memory function up to 99 data
  • Backlight LCD provides easy reading in dark locations
  • Safety lock system prevents an erroneous operation
  on 500 and 1000 Volt ranges

  • 3 functions in one unit, insulation test with 4 voltage ranges,
    continuity test, AC voltage measurement
  • 200mA measuring current on continuity testing
  • Comparator function with PASS / FAIL and buzzer
  • 0Ω adjustment at continuity measuring range
  • Memory function up to 99 data
  • Backlight LCD provides easy reading in dark locations
  • Safety lock system prevents an erroneous operation
  on 500 and 1000 Volt ranges
  • Safety standard IEC 61010-01 CAT III 600V