Single Channel Gas Detector Receiver

Model : GTC-540
Channel : 1
Comm. : 4-20mA, RS-485, Relay

GTC-540

Integrated receiver with built-in Microprocessor
Simple structure, refined design and low cost of ownership
Connectable with various types of gas detectors
Easy installation with a wall mount type
Gas concentration display with 3-digit & Bar-graph (32 Segment, 3-color LED)
3-color display according to alarm stages (Green, Yellow, Red)
3-stage alarm level LED display and relay contact output
Easy configuration of monitoring system with RS-485 (isolated) Modbus serial communication (Option)
Programmable alarm setting (Level, Time delay)
Peak hold
Self diagnosis

	SINGLE-CHANNEL TYPE GAS DETECTOR RECEIVER GTC-540 SERIES
Model	GTC-540
Operation display	6-LED(Power, 3-stage alarm, Trouble, Stand-by for maintenance)
Measuring display	3-Digit 1.8” FND & Bar-Graph(32 Segment, 3-color LED)
Measuring range	1~999 (programmable) / %LEL, ppm, %vol
Alarm display	Visual : 3-stage alarm, Trouble LED, Warning Light
Alarm display	Audible : buzzer
Alarm output signal	3-Stage Alarm, Trouble/ AC250V 3A relay contact (SPDT)
Alarm output signal	Shut-off Valve control signal (DC 12V)
Alarm level set	Programmable with in detection range
Input signal	4-20mA DC( 2-wire or 3-wire)
Output signal	4-20mA DC
Output signal	Isolated RS-485 Communication Modbus (option)
Reset signal	Reset switch and remote control
Program set mode	Alarm value (1,2,3 alarm)
	Alarm time (instant & delay) 1~30min
	Alarm dead band
	Measuring value offset (SAD)
	Relay output on/off
Operating temperature	-20℃ ~ +50℃
Operating humidity	5~99% RH(non-condensing)
Operating power	Standard : AC90V~250V / 12W max
Operating power	24V DC (Option) / 280mA max
Dimensions	235.6x185x117.3 (WxHxD)mm
Weight	1kg