CWT Ultra-mini: Power Electronic Current Measurement.pdf

Applications:
- Switching current waveforms in power electronic circuits (MOSFET, IGBT devices, bond wires)
- Power loss measurement in semiconductors
- Current monitoring in small inductors, capacitors, snubber circuits
- Measuring small AC currents with large DC currents
- Power converter development and diagnostics
- High frequency, pulsed, or transient current measurement
- High order harmonic measurement

Key Features:
- Operating temperature range: -40°C to +125°C
- Bandwidth: DC to 30MHz (-3dB)
- Current ratings: 30Apk to 6000Apk
- Peak di/dt capabilities: up to 70kA/µs
- Coil cross-section: 1.7mm (max), flexible, clip-around
- Output: ±6V into 1MΩ, 50Ω drive capability
- Circuit loading: a few pH
- Positional accuracy: typically ±2%

Technical Specifications:
- Coil length: 80mm (longer coils available)
- Cable length: 1m (longer cables available)
- Battery options: Standard (4 x AA 1.5V alkaline, 25hr lifetime) or Rechargeable (4 x AA 1.2V NiMH, 10hr lifetime)
- Electronics enclosure dimensions: H=183mm, W=93mm, D=32mm
- Output: BNC socket with 0.5m BNC:BNC cable

Model Variations:
- CWT015: 200mV/A, 30A peak, 20mVp-p noise, 80Hz LF bandwidth, 116kA/µs peak di/dt, 30MHz HF bandwidth
- CWT03, CWT06, CWT1, CWT3, CWT6, CWT15, CWT30: varying sensitivities, peak currents, noise, bandwidths, and di/dt ratings

Contact:
- Gloucester House, 162 Wellington Street, Long Eaton, Nottingham NG10 4HS, United Kingdom
- F +86 17301947517, T 400-966-8117, E [email protected], W www.pemnk.com