仪器对比
关注
一、标题：PEM （Power Electronic Measurements Ltd） CWT电流探头
二、描述：
1991年PEM （Power Electronic Measurements Ltd）成立于英国，是使用罗氏线圈做宽频带电流测量的行业领导者，致力于提高罗氏线圈电流传感器性能以及电流、电压、功率新的测量技术研究，是目前全球技术最先进的罗氏线圈传感器研制和生产厂家。除了能提供最先进的罗氏线圈测量外，还可以为客户解决方案和从一次性设计到批量OEM产品定制。
CWT电流探头是一款易于使用、小巧，灵活的电流测量工具，夹在线圈能够准确、快速的测量正弦，正弦或脉冲电流。可快速准确的测量带宽1Hz 到 16MHz的电流。
主要参数
Output | ±6.0V peak |
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) |
三、标准产品
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