产品名称：GTC-520F控制器（韩国），如下图：
从我公司购买本产品的优势：
（1）韩国厂家货源保证，99%原装，品牌，敬请注意。
（2）我们对该产品实行一年质保，终身技术服务。质保均在原厂进行，保证售后服务的稳定可靠。
（3）全程技术支持和培训，如在使用过程中有任何技术疑问，可以致电我们，厂家有专门的工程师为您提供协助。
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GTC-520F控制器，韩国gastron隔爆型单通道气体报警控制器（匹配在GASTRON各种规格的气体检测仪上面）
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
▷ 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 |
| 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 |
厂家品牌：韩国品牌 GASTRON气体探测器
资质编号：GT-AG0755-CN02
产品系列：气体探测器，气体检测仪（可燃气体、有毒气体等）
【说明】更多型号，请致电我们查询，或者右侧QQ留言：GASTRON气体探测器（韩国）型号众多，未能全部列举。如未找到型号，请致电我们。
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