KEW 3022A - Digital Insulation / Continuity Tester

  • 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
  • 0? 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

Insulation resistance

Test voltage 50/100/250/500V
Measuring range
(Auto range)
4.000/40.00/200.0M? (50/100V)
 4.000/40.00/400.0/2000M? (250/500V)
First effective measuring range 0.2 - 20M?(50/100V) 
 0.2 - 40M? (250V) 
 0.2 - 200M? (500V)
Accuracy 5M? (50/100/250V)
50M? (500V)
Second effective measuring range lower 0.110 - 0.199M?
Second effective measuring range upper 20.01 - 200.0M? (50/100V)
40.01 - 2000M? (250V)
200.1 - 2000M? (500V)
Accuracy ±5%rdg±6dgt
Rated current DC 1 - 1.2mA
Output short circuit current 1.5mA max


Auto range 40.00/400.0?
Accuracy ±2%rdg±8dgt
Output voltage on open circuit 5V±20%
Output short circuit current DC 220±20mA
Fuse Quick acting ceramic fuse 0.5A/600V (Ø6.35×32mm)

AC Voltage

AC voltage range AC 20 - 600V (50/60Hz)
DC -20 - -600V/+20 - +600V
Accuracy ±3%rdg±6dgt


Applicable standards IEC 61010-1 CAT III 600V, IEC 61557-1,2,4, IEC 61326-1 (EMC), IEC 60529 (IP40)
Power source R6 × 6 or LR6 × 6
Dimensions / Weight 105(L) × 158(W) × 70(D)mm / 600g approx.
Included Accessories 7150A (Remote control switch set),
9121 (Shoulder strap), R6 (AA) × 6, Instruction Manual
Optional Accessories 8923 (Fuse [0.5A/600V]), 9089 (Carrying Case)

Test Leads

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