1The clamp structure does not require power failure or disconnection of the tested line, and is especially suitable for on-line field testing. 2Support non-contact measurement, easy to operate, fast, safe and reliable. 3With high quality alloy core, it has stable performance, high precision and strong anti-interference ability, and is suitable for complex interference environment. 4It is suitable for high precision detection of AC current, high harmonic current, phase, electric energy, power, power factor, etc. 5With the new CT technology, it can connect phase detection analyzer, industrial control device, data recorder, oscilloscope, harmonic analyzer, power quality analyzer, high precision digital multimeter and so on. 6It is widely used in electric power, communication, meteorology, railway, oil field, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields. 7Its core is made of ferronickel alloy, and the influence of external magnetic field is very small, which ensures high precision, high stability and high reliability of uninterrupted measurement all the year round. 8The current sensor can output current and voltage signals. The range, output signal and output interface of the transformer can be customized according to customers'requirements.