Surge Arrester Online Monitoring Device

Surge arrester online monitoring and testing instrument product introduction:

The instrument is easy to operate and convenient to use, with the entire measurement process controlled by a single-chip microcomputer. It can measure the full current, resistive current and its harmonics, AC reference voltage and its harmonics, active power, and phase difference of a zinc oxide lightning arrester. The large screen can display the true waveforms of voltage and current. The instrument employs digital waveform analysis technology and utilizes software anti-interference methods such as harmonic analysis and digital filtering to ensure accurate and stable measurement results. It can accurately analyze the fundamental frequency and3～7The device accurately measures the reactive harmonic content and overcomes inter-phase interference to correctly assess the resistive current of the edge surge arresters. Equipped with a high-speed panel printer and rechargeable batteries, it offers great convenience for field use by test personnel. The instrument employs a unique high-speed magnetic isolation digital sensor to directly collect input voltage and current signals, ensuring data reliability and safety.

Surge arrester online monitoring and testing instrument features:

1Equipped with a large LCD screen display, full Chinese menu operation, and simple usage.

2High-precision sampling and processing circuits, along with advanced Fourier harmonic analysis technology, ensure more reliable data.

3The instrument utilizes a unique high-speed magnetic isolation digital sensor to directly collect input voltage and current signals, ensuring data reliability and safety.

4Features include resistive current fundamental peak output and phase shift correction.

5The instrument is equipped with a rechargeable battery, a calendar clock, and a mini printer, capable of storing120Group measurement data.

Surge arrester online monitoring and testing instrument testing method:

1Cable:PTSecond method.

2.Inductive Plate Method: Electric field induction can be used in place ofPTReconnection of the second line.

3.Single Current Method: (Harmonic Mode) Can Be UnconnectedPTDirectly measure resistive current.