GTC-520F
![](https://www.envirotech.co.in/wp-content/uploads/2022/12/bt1-1.jpg)
![](https://www.envirotech.co.in/wp-content/uploads/2022/12/bt2.png)
INFORMATION
Usable in explosion hazardous area with flame proof structure
Easy installation with a wall mount type
Gas concentration display with 4-digit & Bar-graph (32 segment, 3-color LED)
3-color display according to alarm stages (Green, Yellow, Red)
3-stage alarm, 1-trouble LED display and relay contact output
Easy configuration of monitoring system with RS-485 Modbus isolated serial data communication(Option)
Programmable alarm setting (Level, Time delay)
Peak hold
Self diagnosis