Model | CTB20B | |
Rated current | AC/DC 20A | |
Bandwidth | 1MHz | |
Current transfer ratio | 100mV/A | |
Maximum input current | Refer to the Current rated value vs. Frequency curve | |
Accuracy | Refer to the Accuracy List | |
Operating temperature and humidity range |
-40℃~85℃, Below 80%RH (No dew) | |
Promised accuracy range | 0℃~40℃, Below 80%RH | |
Temperature drift coefficient | -40℃~0℃﹑40℃~85℃ Amplitude Sensitivity: Below±0.02% rdg./℃ Offset Voltage:≤±0.01% f.s./℃ |
|
Diameter of measurable conductor | Φ Below 20 mm | |
Conductor position effect | Below ±0.1% rdg. (Input 20A, DC-100Hz, outer diameter 5mm) |
|
Conductor position effect | Below ±0.1% rdg. (Input 20A, DC-100Hz, outer diameter 5mm) |
|
Power supply method | DC 12V/1A (standard adaptor) |
Frequency | Amplitude | Phase |
DC | ±0.3% rdg. ±0.05% f.s. | - |
DC < f ≤ 100 Hz | ±0.3% rdg. ±0.01% f.s. | ±0.1deg. |
100Hz< f ≤ 500 Hz | ±0.3% rdg. ±0.02% f.s. | ±0.2deg. |
500Hz< f ≤ 1kHz | ±0.5% rdg. ±0.02% f.s. | ±0.5deg. |
1kHz< f ≤ 5kHz | ±1.0% rdg. ±0.02% f.s. | ±1.0deg. |
5kHz< f ≤ 10kHz | ±1.5% rdg. ±0.02% f.s. | ±1.5deg. |
10kHz< f ≤ 50kHz | ±2.0% rdg. ±0.02% f.s. | ±(0.5+0.1×f kHz)deg. |
50kHz< f ≤ 100kHz | ±5.0% rdg. ±0.05% f.s. | |
100kHz< f ≤ 300kHz | ±10% rdg. ±0.05% f.s. | |
300kHz< f ≤ 500kHz | ±15% rdg. ±0.05% f.s. | - |
500kHz< f ≤ 1MHz | ±30% rdg. ±0.05% f.s. | - |