Peak current

30A peak to 120kA peak

Output

±6.0V peak corresponding to 'Peak Current' into ≥100kΩ
±3.0V peak corresponding to 'Peak Current' into 50Ω

High Frequency Bandwidth (-3dB)

30MHz (100mm coil),  23MHz (200mm coil); CWT MiniHF
20MHz (100mm coil);  15MHz (200mm coil); CWT Mini

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 ±2.0% of reading

Operating temperature range

0℃ to +40℃ (Integrator electronics)
–40℃ to +125℃ (CWT MiniHF -Coil and cable)
–20℃ to +100℃ (CWT Mini -Coil and cable)

Coil Lengths

100 or 200mm (custom lengths available)

Peak coil insulation (coil thickness)

2kV peak (3.5mm thickness)  *CWT Mini Only
5kV peak (4.5mm thickness)

Cable Length (coil to integrator)

1m, 2.5m 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