產(chǎn)品名稱：GTC-550控制器（韓國），如下圖：
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GTC-550
? 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
? 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-550 SERIES | |
| Model | GTC-550 |
| 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 |
| Audible : buzzer | |
| Alarm output signal | 3-Stage Alarm, Trouble/ AC250V 3A relay contact (SPDT) |
| 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 |
| 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 |
| 24V DC (Option) / 280mA max | |
| Dimensions | 235.6x185x117.3 (WxHxD)mm |
| Weight | 1kg |
產(chǎn)品名稱：GASTRON氣體檢測儀/氣體探測器
廠家品牌：韓國品牌 GASTRON氣體探測器
商務(wù)運(yùn)營編號：GT-AG0755-CN02
技術(shù)服務(wù)編號：GT-SP017PT/0015
產(chǎn)品系列：氣體探測器，氣體檢測儀（可燃?xì)怏w、有毒氣體等）
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（1）氣體檢測儀型號眾多，未能全部列舉。
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