Expansion joint online monitoring system

Product Introduction

Expansion joint online monitoring systemMeasuring the displacement changes of GIS expansion joints can achieve real-time automatic and accurate monitoring, eliminate human errors, and improve reliability and work efficiency.

Mainly used in the expansion joint scenario of GIL/GIS equipment.

Expansion joint online monitoring systemKey Features:

Small size, light weight, easy and fast installation;

The sensor has high linear accuracy, smooth micro linear characteristics, and micrometer level repeatability accuracy;

The sensor adopts advanced resistance material processing technology, multi contact precious metal brushes, special sliding brush support, and resistance substrate materials;

Long service life, capable of reaching billions of reciprocating motions,

Supports wired RS485 or wireless Lora between the host and sensor;

The alarm value for displacement change can be set, and there is an audible alarm;

It can store historical data on a regular and periodic basis.

work environment

Power supply: AC 220V (host) DC 9-32V/battery power supply (sensor)

Working environment temperature: -40 ℃~+70 ℃ (host) -60 ℃~+150 ℃ (sensor)

Monitoring parameters:

Measurement range: 0-300mm (optional)

Measurement accuracy: ± 1% FS

Mechanical stroke: effective stroke+3mm

Response time: 1 second

Maximum working speed: 5 m/S

Other parameters:

Downstream communication interface: RS485, LORA

Upstream communication interface: RS485, Ethernet port, 4G

Support communication protocol: Modbus/104/IEC61850

Protection level: IP65