Minimum IR Value for Rotating Machine (AC or DC) Machine Terminal to Terminal Voltage IR (Min) for Machine Minimum IR Value for Transformer Frequency Voltage Rating of winding under Test Rated Capacity of Winding under Test Select Type of Transformer Tank Oil Filled T.C Without Tank Oil filled T.C Dry or Compound Fill T.C IR (Min) for Transformer Minimum IR Value for Cable Type of Cable Type of Insulation Material Outer Diameter of Conductor Insulation Diameter of Conductor IR (Min) for Cable Minimum IR Value for Domestic Wiring Case-1 No of Outlet (All Point,Plugs with Fitting(Lamp etc)) IR(min) value Excellent Case-2 No of Outlet (All Point,Plugs without Fitting(Lamp etc)) IR(min) value Excellent MINIMUM Insulation Resistance Value
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Minimum IR Value for Rotating Machine (AC or DC)
Machine Terminal to Terminal Voltage
IR (Min) for Machine
Minimum IR Value for Transformer
FrequencyVoltage Rating of winding under TestRated Capacity of Winding under TestSelect Type of TransformerTank Oil Filled T.CWithout Tank Oil filled T.CDry or Compound Fill T.CIR (Min) for Transformer
Minimum IR Value for Cable
Type of Cable
Type of Insulation Material
Outer Diameter of Conductor InsulationDiameter of Conductor
IR (Min) for Cable
Minimum IR Value for Domestic Wiring
Case-1 No of Outlet (All Point,Plugs with Fitting(Lamp etc))IR(min) value Excellent
Case-2 No of Outlet (All Point,Plugs without Fitting(Lamp etc))IR(min) value Excellent
MINIMUM Insulation Resistance Value MINIMUM Insulation Resistance Value
400 500V DC or 1000V DC500 500V DC or 1000V DC600 500V DC or 1000V DC700 500V DC or 1000V DC800 500V DC or 1000V DC900 500V DC or 1000V DC
1000 500V DC or 1000V DC1100 500V DC or 1000V DC1200 500V DC or 1000V DC1300 500V DC or 1000V DC1400 500V DC or 1000V DC1500 500V DC or 1000V DC1600 500V DC or 1000V DC1700 500V DC or 1000V DC1800 500V DC or 1000V DC1900 500V DC or 1000V DC2000 500V DC or 1000V DC2100 500V DC or 1000V DC2200 500V DC or 1000V DC2300 500V DC or 1000V DC2400 500V DC or 1000V DC2500 1000V DC or 2500V DC2600 1000V DC or 2500V DC2700 1000V DC or 2500V DC2800 1000V DC or 2500V DC2900 1000V DC or 2500V DC3000 1000V DC or 2500V DC3100 1000V DC or 2500V DC3200 1000V DC or 2500V DC3300 1000V DC or 2500V DC3400 1000V DC or 2500V DC3500 1000V DC or 2500V DC3600 1000V DC or 2500V DC3700 1000V DC or 2500V DC3800 1000V DC or 2500V DC3900 1000V DC or 2500V DC4000 1000V DC or 2500V DC4100 1000V DC or 2500V DC4200 1000V DC or 2500V DC
4300 1000V DC or 2500V DC4400 1000V DC or 2500V DC4500 1000V DC or 2500V DC4600 1000V DC or 2500V DC4700 1000V DC or 2500V DC4800 1000V DC or 2500V DC4900 1000V DC or 2500V DC5000 2500V DC or 5000V DC5100 2500V DC or 5000V DC6000 2500V DC or 5000V DC7000 2500V DC or 5000V DC8000 2500V DC or 5000V DC9000 2500V DC or 5000V DC
10000 2500V DC or 5000V DC11000 2500V DC or 5000V DC12000 2500V DC or 5000V DC13000 50000V DC or 10000V DC
Name of Equipment adwaRated Voltage of Equipment 440Recommended Megger 500V DC or 1000V DC
100 100V DC or 250V DC200 100V DC or 250V DC300 100V DC or 250V DC400 500V DC or 1000V DC500 500V DC or 1000V DC600 500V DC or 1000V DC700 500V DC or 1000V DC800 500V DC or 1000V DC900 500V DC or 1000V DC
1000 500V DC or 1000V DC1100 500V DC or 1000V DC1200 500V DC or 1000V DC1300 500V DC or 1000V DC1400 500V DC or 1000V DC1500 500V DC or 1000V DC1600 500V DC or 1000V DC1700 500V DC or 1000V DC1800 500V DC or 1000V DC1900 500V DC or 1000V DC2000 500V DC or 1000V DC2100 500V DC or 1000V DC2200 500V DC or 1000V DC2300 500V DC or 1000V DC2400 500V DC or 1000V DC2500 1000V DC or 2500V DC2600 1000V DC or 2500V DC2700 1000V DC or 2500V DC2800 1000V DC or 2500V DC2900 1000V DC or 2500V DC3000 1000V DC or 2500V DC3100 1000V DC or 2500V DC3200 1000V DC or 2500V DC3300 1000V DC or 2500V DC3400 1000V DC or 2500V DC3500 1000V DC or 2500V DC3600 1000V DC or 2500V DC3700 1000V DC or 2500V DC3800 1000V DC or 2500V DC3900 1000V DC or 2500V DC4000 1000V DC or 2500V DC
4100 1000V DC or 2500V DC4200 1000V DC or 2500V DC4300 1000V DC or 2500V DC4400 1000V DC or 2500V DC4500 1000V DC or 2500V DC4600 1000V DC or 2500V DC4700 1000V DC or 2500V DC4800 1000V DC or 2500V DC4900 1000V DC or 2500V DC5000 2500V DC or 5000V DC5100 2500V DC or 5000V DC6000 2500V DC or 5000V DC7000 2500V DC or 5000V DC8000 2500V DC or 5000V DC9000 2500V DC or 5000V DC
10000 2500V DC or 5000V DC11000 2500V DC or 5000V DC12000 2500V DC or 5000V DC13000 50000V DC or 10000V DC
Direction-I Date
1 1-Jan-10 1 02 2 03 5 04 10 05 15 06 25 07 50 0
Direction-II Date
1 1 02 2 03 5 04 10 05 15 06 25 07 50 0
Direction-III Date
1 1 02 2 03 5 04 10 05 15 06 25 07 50 0
Direction-IV Date
1 1 02 2 03 5 04 10 05 15 06 25 07 50 0
Direction-V Date
1 1 02 2 03 5 0
Electrode Spacing (S)
(Meter)
Megger Rading in Ohms
Earth Resistivity Ohm-Meter
Electrode Spacing (S)
(Meter)
Megger Rading in Ohms
Earth Resistivity Ohm/Meter
Electrode Spacing (S)
(Meter)
Megger Rading in Ohms
Earth Resistivity Ohm/Meter
Electrode Spacing (S)
(Meter)
Megger Rading in Ohms
Earth Resistivity Ohm/Meter
Electrode Spacing (S)
(Meter)
Megger Rading in Ohms
Earth Resistivity Ohm/Meter
Earth Resistivity Value MeasurementEarth Resistivity Value Measurement