| Insulation Resistance Measurement | 
AC Voltage Measurement  | 
Applications | 
Rated Voltage Rated Resistance | 
Ellective Measuring Range | 
Central Scale Mark | 
 Measuring Range  | 
| 100V/200㏁ | 
0.02 to 20㏁  | 
0.5㏁ | 
0 to 150V  | 
Low Tension Power Line  | 
| 250V/50㏁ | 
0.05 to 50㏁  | 
1㏁ | 
0 to 250V  | 
Communication Cable Low Tension Power Line of ship. etc  | 
| 500V/100㏁ | 
0.1 to 100㏁  | 
2㏁ | 
0 to 500V  | 
General Insulation Resistance Tests  | 
| 500V/1000㏁ | 
1 to 1000㏁  | 
20㏁ | 
0 to 500V  | 
| 1000V/2000㏁ | 
2 to 2000㏁  | 
50㏁ | 
0 to 500V  | 
Power Equipment. Communications Equipment and Other Electrical Devices Used in High Voltage System  |