Kyoritsu 3021/3022/3023 

• 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  

Kyoritsu 3001B 

• Test voltage range 500V/1000V 
• Compact and lightweight digital Insulation / Continuity Tester. 

Kyoritsu 3005A 

• Test voltage range 250V/500V/1000V 
• Bargraph to display insulation resistance. 
• Displays the value of external AC voltage along with flashing symbol. 
• Auto null function to automatically subtract the test lead resistance before displaying the real continuity resistance value. 
• Live circuit warning beeper. 
• Releasing the test button automatically discharges the charges stored in the circuit under test. 
• Minimum 1mA current on insulation tests to IEC 61557.