OFLS Series Rogowski Coil Current Sensor

Window Size

30,40,50,60mm (with a fixed structure)

30,40,50,60,80,100,150,200,300 (without a fixed structure)

Output Signal

0~20mA, 0~10V, RS485, RJ12 (can be customized)

Accuracy

0.5s Class   @ Fixed-Position

1.0 Class  @ Non-fixed state, busbar passes vertically through the coil.

1.5 Class   @ Non-fixed state, busbar inclined through the coil

Rated Frequency

50Hz/60Hz

Linearity

0.1%

Temperature Drift

≤0.5%

Bandwidth (3Db)

45Hz~5kHz

Altitude

4000M

Relative Humidity

≤75% RH

Flame Retardant Rating

PC, UL94-V0

Dielectric Strength

3kV/60s/50Hz

Operating Temperature

-40°C ~ +70°C 

1%Ib>I≥0.4%Ib

4%Ib>I≥1%Ib

10%Ib>I≥4%Ib

I≥10%Ib

Ratio Error

0.75&*(4%Ib/I)

1.5%

0.5%

0.25%

Phase Displacement

90′

60′

12′

8′

The ratio error for the portion less than 1%Ib is a dynamic value.