1. Summary
CTB series current probe is a kind of current probe which can measure DC and AC at the same time.
This clamp type current sensor applied high performance flux gate technology, with characteristics including high precision of typical value 0.2%, good frequency and temperature characteristics and high bandwidth. CTB series is able to work in temperature range of -40~85℃and measure conductor of maximum diameter 50mm, maximum measurable current up to 2000A. CTBxxxA need to work with CTB104/A, while the CTBxxxB need to be powered by 12V adaptor, and CTBxxxC need to be powered by 12V LEMO connector to adapt the power supply connector of certain power analyzer without other power supply. With the power analyzer, it can realize power analyze in the high accuracy current measurement.
Product Electronic Specification
Ø f.s. Maximum display value or scale length (symbolizing the rated primary current range).
Ø rdg. Reading value (symbolizing the current value under measurement, or the current value indicated by the measurement devices)
Ø Conductor under test is put in the center of the aperture, and input the sine wave current
Ø Measuring device of input resistance over 1MΩ
Ø Please correctly degauss zero set before the measurement.
Model | CTB20A/B/C | CTB200A/B/C | CTB501A/B/C | CTB500A/B/C | CTB1000A/B/C | CTB2000A/B/C |
Rated current | AC/DC 20A | AC/DC 200A | AC/DC 500A | AC/DC 500A | AC/DC 1000A | DC 2000A AC 2000APk |
Bandwidth | 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 | 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) | -40℃~60℃, 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./℃ | -40℃~0℃﹑40℃~60℃ Amplitude Sensitivity: Below±0.02% rdg./℃ Offset Voltage:≤±0.01% f.s./℃ | ||||
Diameter of measurable conductor | Φ Below 20 mm | Φ Below 50 mm | ||||
Conductor position effect | Below ±0.1% rdg. (Input 20A, DC-100Hz, outer diameter 5mm) | Below ±0.1% rdg. (Input 100A, DC-100Hz, outer diameter 5mm) | Below ±0.1% rdg. (Input 100A, DC-100Hz, outer diameter 5mm) | Below ±0.2% rdg. (Input 100A, DC-100Hz, outer diameter 10mm) | Below ±0.2% rdg. (Input 1000A, 50Hz/60Hz, outer diameter 30mm) | Below ±0.2% rdg. (Input 1000A, 50Hz/60Hz, outer diameter 30mm) |
Power supply voltage | Type A need to use with CTB104/A, Type B require 12V adaptor, Type C use LEMO connector | |||||
Power supply capacity | Below ±200mA (20A/45Hz measurement, power supply ±12V) | Below ±250mA (200A/45Hz measurement, power supply ±12V) | Below ±300mA (500A/45Hz measurement, | Below ±300mA (500A/45Hz measurement, | Below ±300mA (1000A/45Hz measurement, power supply ±12V) | Below ±600mA (1000A/45Hz measurement, power supply ±12V) |
