GASTRON GAS ALARM CONTROL UNIT GTC-520F

GAS ALARM CONTROL UNIT 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

GAS ALARM CONTROL UNIT GTC-520F GASTRON

Specification of GTC-520F Gastron

GAS ALARM CONTROL UNIT GTC-520F

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

Audible : buzzer

Alarm output signal 3-Stage Alarm, Trouble / AC250V 5A relay contact (SPDT)

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

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

24V DC (Option) / 280mA max

Dimensions 290x347x137 (WxHxD)mm

Weight 12kg

Approval Explosion proof type (Ex d IIB+H2 T6 IP65) KCs