* Integrated flame proof type 4-channel receiver with built-in Microprocessor

* Application in hazardous area with flame proof structure

* Connectible with various types of gas detector

* Easy installation with a wall mount type

* Gas concentration display with 4-digit & Bar-graph (32 segment,3-color LED)

* 3-color bar-graph display accordingly alarm stages (Green, Yellow, Red)

* 3-stage alarm,1-touble LED display and relay contact output

* Easy configuration of monitoring system with RS-485 (isolated) Modbus serial communication

* Programmable Alarm setting (level, delay time, & etc)

* Peak hold * Self diagnosis