Single Channel Flame Proof Type Gas Detector Receiver

Model : GTC-520F
Channel : 1
Comm. : 4-20mA, RS-485, Relay
Approval : CE, KCs

GTC-520F

Integrated flame proof receiver with built-in Microprocessor
Usable in explosion hazardous area with flame proof structure
Connectable with various types of gas detectors
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 communication (Option)
Programmable alarm setting (Level, Time delay)
Peak hold
Self diagnosis

	EXPLOSION PROOF TYPE TYPE GAS DETECTOR RECEIVER GTC-520F SERIES
Model	GTC-520F
Operation display	6-LED (Power, 3-stage alarm, Trouble, Stand-by)
Measuring display	4-Digit FND & Bar-graph
Measuring range	1-9999(programmable) / %LEL, ppm, %Vol
Alarm display	Visual 3-stage alarm, Trouble LED
Alarm display	Audible : buzzer
Alarm output signal	3-Stage Alarm, Trouble / AC250V 5A relay contact (SPDT)
Alarm output signal	Shut-off valve control signal (DC 12V)
Alarm level set	Programmable within 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
	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	290x347x137 (WxHxD)mm
Weight	12kg
Approval	Explosion proof type (Ex d IIB+H2 T6 IP65) KCs