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GASTRON
紅外線偵測器-GIR-300

GIR-300

紅外線偵測器

紅外線偵測器

產品簡介：

GIR-300Series
擴散式氣體顯示紅外線偵測器  
• 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

-20o C ~ 50o C

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)

 

 Specification：

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

 

    * GIR-300 型錄檔案請至 資料下載 。