Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
Product Electrical Specifications
Ø f.s. Maximum display value or scale length (indicates rated primary current range)
Ø rdg. read value (indicates the value currently being measured and the value currently indicated by the measuring instrument)
Input sinusoidal waveform, conductor center position, excluding various influences
Ø Measuring instruments with an input resistance of 1MΩ or more
Ø Please demagnetize and zero correctly before measurement
| model number | CTB20
A/B/C/D |
CTB200
A/B/C/D |
CTB501
A/B/C/D |
CTB500
A/B/C/D |
CTB1000
A/B/C/D |
CTB2000
A/B/C/D |
| rated current | AC/DC 20A | AC/DC 200A | AC/DC 500A | AC/DC 500A | AC/DC 1000A | DC 2000A
AC 2000APk |
| bandwidths | 1MHz | 600kHz | 500kHz | 100kHz | 50kHz | 50kHz |
| Current Transfer Ratio | 0.1V/A | 10mV/A | 4mV/A | 4mV/A | 2mV/A | 1mV/A |
| Maximum Input Current | Reference Current rating vs. frequency curve | |||||
| accurate | Reference Precision List Description | |||||
| Operating temperature and humidity range | -40℃~85℃,80% RH or less (no condensation) | -40℃~60℃,80% RH or less (no condensation) | ||||
| Guaranteed accuracy range | 0℃~40℃,80% RH or less | |||||
| temperature drift coefficient | -40℃~0℃﹑40℃~85℃
Amplitude sensitivity: ±0.02% rdg./°C or less Bias voltage: ≤±0.01% f.s./°C |
-40℃~0℃, 40℃~60℃, amplitude sensitivity: ±0.02% rdg./℃ or less.
Bias voltage: ≤±0.01% f.s./°C |
||||
| Measurable conductor diameter | Φ20 mm or less | φ50 mm or less | ||||
| Conductor Position Influence | ±0.1%rdg. or less (20A input, DC-100Hz, with 5mm O.D. wire) | ±0.1%rdg. or less (100A input, DC-100Hz, with 5mm O.D. wire) | ±0.1%rdg. or less (100A input, DC-100Hz, with 5mm O.D. wire) | ±0.2%rdg. or less (100A input DC-100Hz with 10mm O.D. wire) | ±0.2%rdg. or less (1000A input, 50Hz/60Hz, with 30mm O.D. wire) | ±0.2%rdg. or less (1000A input, 50Hz/60Hz, with 30mm O.D. wire) |
| Power supply method | A series with CTB104/A, B series with 12V adapter, C series with Remo interface | |||||
| power capacity (of an appliance etc) | ± 200mA or less (20A/45Hz measurement, ± 12V supply) | ± 250mA or less (200A/45Hz measurement, ± 12V supply) | ± 300mA or less (500A/45Hz measurement, ± 12V supply) | ± 300mA or less (500A/45Hz measurement, ± 12V supply) | ± 300mA or less (1000A/45Hz measurement, ± 12V supply) | ± 600mA or less (1000A/45Hz measurement, ± 12V supply) |
