GIR-300 - 氣體偵測器 - 瓦斯偵測器(GAS)

氣體偵測器 GIR-300

產品簡介


	擴散式氣體顯示型偵測器 (防爆)GIR-300Series • 可燃燒氣體偵測器&可連續偵測; 二氧化碳氣體在與火焰證明結構的爆炸危險區域 • 工業型紅外線偵查原理 • 產品使用期限(超過5年) • 在沒有氧氣環境之下操作 • 迅速反應時間(10秒) • 監控系统容易配置與RS-485 Modbus (被隔絕)串行通信作用

產品規格

適用種類	LNG，LPG，HC等爆炸性氣體
偵測種類	碳氫化合物(Hydrocarbon)，二氧化碳(CO2)，二氧化氯
檢測型式	擴散式
檢測原理	催化性燃燒式，半導體式，紅外線傳導式
量程	0~100%lel / 0-100% VOLUME,，0~10,000 ppm & 0-5.0% Vol
精度	± 3% 以內
反應時間	10秒以內
信號輸出	4-20ｍA.DC
接線要求	3線制
傳輸距離	250M以內
操作溫度	-20^oC ~ 50^oC
操作溼度	5 ~ 99% RH
供　電	18-31V.DC
接口尺寸	301.5 x 152 x 109 (W X H X D)

產品規格

Model	GIR-300 (Hydrocarbon)	GIR-300 (CO₂)
Measuring gas	Combustible gas (LNG, LPG, Methane & etc)	Carbon dioxide (CO2)
Measuring type	Diffusion type
Sensor type	Infrared type
Measuring range	0-10,000 ppm & 0-100 % LEL	0-10,000 ppm & 0-5.0% Vol
Sensor life time	More than 5 years
Response time	<10 sec / 90% scale
Accuracy	±3% / Full scale
Parameter controls	Non intrusive control with Magnet bar (calibration, maintenance, alarm setting)
Operation mode display	4-LED (Power, 2-Alarm, 1-Trouble)
Measuring value display	LCD display (Built-in Back light 2-Line, 16 characters)
Alarm signal output	250V 1A / 3-SPST Relay contact (2-Alarm, 1-Trouble)
Output signal	Analog output : Measuring signal: 4-20 mA DC
	Maintenance signal: 3 mA DC
	Calibration signal: 2 mA DC
	Fault signal: 0 mA DC
	Digital output :RS-485 MODBUS (Option)
Cable / Distance	Power + signal cable: 3 wire (above CVVS 1.5sq) / 2,500m max.
	RS-485 data communication cable: 1par (UL2919 RS-485) / 1,000m max.
Conduit pipe	1/2" & 3/4" PF, NPT (3/4" PF standard)
Mounting type	2" Pole mount, Wall mount, Duct mount
Operating temperature	-20℃ ~ +50℃
Operating humidity	5 ~ 99%.RH (non-condensing)
Operating power	18 ~ 31V DC (24V DC normal) / 300mA max.
Dimensions	301.5 x 152 x 109 (W X H X D)
Weight	2.5kg
Approval	Flame proof structure (Ex d IIC T6)

Features

• Continuous detection of combustible & CO2 gas in explosion hazardous area with flame proof structure
• State of art Infra red detection principle
• Long service life (more than 5 years)
• Low operation cost due to maintenance free
• Operation at no oxygen environment
• Rapid response time (with 10 secs)
• Easy configuration of monitoring system with RS-485 Modbus(isolated) Serial

型錄