4-Channel Flame Proof Type Gas Detector Receiver

Model : GTC-200F
Channel : 1~4
Comm. : 4-20mA, RS-485, Relay
Approval : KCs



  • Integrated flame proof type 4-channel receiver with built-in Microprocessor
  • Application in 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 bar-graph display accordingly alarm stages (Green, Yellow, Red)
  • 3-stage alarm level, 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
  • HAVAC and DP card unit (Option)



Model               GTC-200A COMMON (ALARM UNIT)                     |            GTC-200A CHANNEL (DENSITY INDICATING UNIT)
Operation display        8-LED (Power, 3-stage alarm, Trouble, Buzzer stop,         |                   6-LED (Power, 3-stage alarm, Trouble
                       PC & channel data communication)             |                            Stand-by for maintenance)
Measuring display                                                                                      |           4-Digit FND & Bar-graph (32 segment, 3-color LED)
Measuring range                                                                                      |                   1~9999 (programmable)(%LEL, ppm, % Vol)
Alarm display                     Visual : 3-stage alarm, Trouble LED                 |                         Visual : 3-stage alarm, Trouble LED
                           Audible : buzzer                                    |
Alarm output signal                      3-stage alarm, Trouble, Buzzer                       |                               3-stage alarm, Trouble, Buzzer
                       AC250V 5A relay contact (SPDT)                  |                           AC250V 5A relay contact (SPDT)
Alarm level set                                                                                      |                      Programmable within detection range
Input signal                                                                                      |                       4-20mA DC (2-wire or 3-wire)
Output signal             Isolated RS-485 Communication Modbus (option)     |                                     4-20mA DC
Reset signal                   Reset switch and remote control                       |                                   Reset switch
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℃ ~ +40℃
Operating humidity 5 ~ 99% RH (non-condensing)
Operating power Single channel card : 18~31V DC (24V DC normal) / 1000mA max
Wall Mount Type :  AC 110 / 220V
Battery power Back-Up. power unit (option)
24V DC / 600mA, 1300mA (option)
Approval Explosion proof type (Ex d IIB T5) KCs