产品名称：GTC-520A控制器（韩国原装进口），如下图：
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GTC-520A控制器，韩国gastron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-520A ▷ 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 Model GTC-520A Operation display 6-LEDs (Power, 3-alarm, Trouble, Stand-by(점검)) Measuring display 4-Digit FND & Bar-Graph(32개 LED) Measuring range 1~9999 (프로그램에 설정) / %LEL, ppm, % Vol Alarm display 3-Alarm, Trouble LEDs 시각표시 부져(buzzer) 청각신호 Alarm output signal 3-Alarm, Trouble / AC250V/5A relay contact (SPDT) Alarm level set 측정범위 내의 프로그램 설정 Input signal 4-20mA DC (2 wire or 3 wire) Output signal 4-20mA DC Isolated RS-485 Modbus(option) Reset signal Reset 스위치 및 원격제어 Program set mode 경보 농도 및 형태 설정 (1, 2, 3 alarm) 경보 시간 설정 (즉시 & 지연(1~30 min)) 경보 작동 범위 (Dead band) 측정값 보정 (SAD) Relay 출력 on/off 설정 Operating temperature -20℃ ~ +50℃ Operating humidity 0 ~ 99%.RH (non-condensing) Operating power AC 90V~250V / 3.6W 24V DC (option) Dimensions 135 x 180 x 81(W X H X D) Weight 0.6 kg
GTC-520A控制器，韩国gastron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）
厂家品牌：韩国原装进口品牌 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（韩国原装进口）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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