High Frequency Bandwidth (-3dB)

16MHz (300mm coil), 10MHz (700mm coil)

Low Frequency Bandwidth (-3dB)

Varies with model type

Accuracy (typ.)

Calibrated to ±0.2%   with conductor central in the Rogowski loop

Typical variation with conductor position ±1.0% of reading

Operating temperature range

0℃ to +40℃ (Integrator electronics)

–20℃ to +100℃   (Coil and cable)

Coil Lengths

300, 500, 700 or 1000mm (custom lengths   available)

Coil thickness

8.5mm max.

Peak coil insulation

10kV peak

Cable Length (coil to integrator)

2.5 or 4m (custom lengths available)

Power Supply

Option ‘B’ Battery 4 x AA (1.5V standard alkali   batteries)

Plus - 2.1mm socket for 12V (±10%) DC input

Option ‘R’ Rechargeable Battery 4 x AA (1.2V NiMH   batteries) with on-board trickle charge circuitry.

Plus - 2.1mm socket for 12V (±10%) DC input

Output load

≥ 100.0 kohm (for rated accuracy)