GTD-100Ex - 氣體偵測器 - 瓦斯偵測器(GAS) - 名發科技

氣體偵測器 GTD-100Ex

產品簡介

 

 

 

 

 

 

 防爆型氣體偵測器 GTD-100Ex
-採用SM技術,體積小,重量輕,費用低。
-內部微電腦處理,數字顯示氣體濃度。
-採用世界標準傳送方式(TRANSMITTER TYPE)。
-最遠傳輸距離可達2000M。
-防爆型結構,確保安全使用。
-單人就可完成校正及維修工作。

 

 


 

產品規格

適用種類

LNGLPGHC等爆炸性氣體

偵測種類

LNG瓦斯,H2氫氣,C2H4沼氣,C2H5O乙醚,C3H8丙烷,H2氫氣,C2H5O乙醚,丙烷

檢測型式

擴散式

檢測原理

觸媒燃燒式,半導體式,紅外線傳導式

       

0-100%lel / 0-100% VOLUME

       

± 3% 以內

反應時間

15秒以內

信號輸出

4-20A.DC

接線要求

3線制

傳輸距離

250M以內

操作溫度

-20 ~ 50

操作溼度

5 ~ 95% RH

供  電

18-31V.DC

接口尺寸

1/2" or 3/4" PE / NPT


 

Specification

PRODUCT SPECIFICATION

Sensor Type:

Continuous diffusion

Function:

Transmitter type

Service:

Indoor or outdoor locations
Including hazardous areas

Measuring range 1:

0-2000 ppm
Semiconductor cell

Measuring range 2:

0-100% LEL
Catalytic cell

Measuring range 3:

0-100% Volume
Thermal conductivity cell

Sensor life:

3 to 5 years typical

Accuracy:

± 3% of full scale

Response time:

T90 < 15 sec. With 100% LEL of methane applied

Zero drift:

Less than 3% of full scale per year

Electrical Classification:

Explosion-proof, Ex d IIB T5

Storage Temperature range:

-30℃ to 60℃

Warranty:

One year

Approval:

Korea Occupational Safety Association/NEPSI (China)

ENVIRONMENTAL SPECIFICATION

Operating Temperature range:

Electronics -40℃ to 70℃
Standard sensor -50℃ to 80℃
High Temp. sensor -50℃ to 250℃

Storage Temperature range:

-40℃ to 70℃

Operating Humidity range:

5 to 100% RH

Operating Pressure range:

ATM. ± 10%

MECHANICAL SPECIFICATION

Weight:

500g

Material:

Cast aluminum

Mounting Type:

2" Pipe Mount/Surface Mount

ELECTRICAL SPECIFICATION

Electrical protection:

EMI/RFI by EN 50082-1

Input Power:

24V.DC nominal
18 to 31V.DC / 230mA max.

Output Signal:

4-20mA(600 ohms max. load)

Cable Requirements:

3-wire shield cable. Max distance 2500M

Conduit connection:

1/2" & 3/4" PT & NPT


 

Features

- Continuous Detection of Combustible Gas and Vapours
- Miniaturized Simple Design, Applied SMT Technology
- Excellent Measurement Sensitivity and Stability
- Long Life Sensor Element
- 3-wires connection
- 4-20mA Signal output
- Calibration by One Person and Easy Maintenance
- Highest Safety Certification
- Low Operating cost
- Low Calibration cost
- Low Installation cost


 

型錄