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CWT迷你50高频电流传感器50MHz
概述
一种新型静电屏蔽Rogowski线圈，对快速本地dV/dt瞬态或大50/60Hz电压的干扰具有优异的抗扰性
扩展(-3dB)高频带宽50MHz，用于100mm线圈
峰值di/dt能力高达100kA/µs
工作温度范围-40°C至+125°C
4.5mm厚Rogowski线圈，5kV峰值绝缘
指标
CWT Mini 50 HF Rogowski Coil Models and Specifications
| Model | Sensitivity (mV/A) |
Peak current*1 (kA) |
Noise max*2 (mV pk-pk) |
Droop %/mS |
LF (3dB) bandwidth typ. (Hz) FL |
Peak di/dt kA/µs |
HF (3dB) bandwidth*3 MHz |
|
|---|---|---|---|---|---|---|---|---|
| Coil Length 100mm | Coil Length 200mm | |||||||
| CWTMini50HF 015 | 200 | 0.03 | 20 | 85 | 150 | 2.0 | 50 | 23 |
| CWTMini50HF 03 | 100 | 0.06 | 18 | 78 | 100 | 4.0 | 50 | 23 |
| CWTMini50HF 06 | 50 | 0.12 | 12.0 | 70 | 75 | 8.0 | 50 | 23 |
| CWTMini50HF 1 | 20 | 0.3 | 9.0 | 53 | 50 | 20 | 50 | 23 |
| CWTMini50HF 3 | 10 | 0.6 | 15 | 11 | 12 | 40 | 50 | 23 |
| CWTMini50HF 6 | 5.0 | 1.2 | 15 | 5.5 | 6.0 | 80 | 50 | 23 |
| CWTMini50HF 15 | 2.0 | 3.0 | 12.0 | 2.8 | 3.0 | 80 | 50 | 23 |
* 1。更高的额定电流可用，CWT30峰值电流6kA等
* 2。噪音马克斯。内部产生的噪音在低频(-3dB)频宽时的最大值是多少
* 3。高频高频(-3dB)为线圈和集成商之间的2.5毫米电缆报价
| TYPICAL ACCURACY (full scale) |
Calibrated to UKAS ±0.2% with conductor central in the loop Variation with conductor position in the coil loop typically ±2% |
||
| TYPICAL LINEARITY | ±0.05% (full scale) | ||
| ABSOLUTE MAXIMUM VALUES OF di / dt (kA/µs) (value must not be exceeded) |
PEAK | PEAK 100kA/uS | All models 1.2kA/uS |
| Coil and cable | |
| COIL CIRCUMFERENCE ‘A’ (mm) | 4.5mm for 5kV isolation |
| COIL CROSS SECTION ‘B’ (mm) | 4.5mm for 5kV isolation |
| PEAK COIL VOLTAGE ISOLATION (kV) | 5kV |
| Safe peak working voltage to earth. 5kV coils are flash tested at 8kVrms/60Hz for 60 seconds. Information about the continuous use of coils at high voltage can be obtained from Powertek | |
| TEMPERATURE RANGE (°C) | -40°C to 125°C |
| For de-rating due to temperature cycling please consult Powertek | |
| CABLE LENGTH (metres) (from box to coil) | 1m, 2.5m or 4m. Max cable length for CWT015 is 1m, CWT03 is 1.5m, CWT06 is 2.5m |
| Power input - mechanical - environmental | |
| POWER SUPPLY |
All CWT units are supplied with four AA Lithium batteries (typical life 90 hours) and a 12V-24Vdc input socket and a power adapters (AC to 12Vdc), to power the CWT from 230Vac or 115Vac. Specify adapter type, 230V or 115 V. Rechargeable batteries, option R, are available. (batteries are charged whenever external +12V dc supply is present). Typical recharge time 40 hrs, typical life 8 hrs. |
| INTEGRATOR BOX DIMENSIONS (mm) |
H =183mm, W = 93mm, D = 32mm |
|
OUTPUT SOCKET |
BNC (output impedance 50 ohms- unit supplied with 0.5m BNC-BNC coaxial cable) |
| MIN. OUTPUT LOADING | 100k (for rated accuracy). |
| TEMPERATURE RANGE (°C) | 0°C to 40°C |
| Model | Power Option | Cable Length (m) | Cable Length (mm) | Insulation(kV) |
| See table above | B-Battery R-Rechargeable |
1, 2.5 or 4 (custom length available) |
100 or 200 (custom length available) |
5 |
| See table above | R | 2.5 | 100 | 5 |
