产品名称：瓦斯气体侦测器 GTD-100Ex

瓦斯气体侦测器 GTD-100Ex                                                                                                                               产品简介

 扩散式防爆型 气体侦测器  GTD-100Ex Series 

-采用SM技术,体积小,重量轻,费用低。

-内部微电脑处理,数字显示气体浓度。

-采用世界标准传送方式(TRANSMITTER TYPE)。

-*远传输距离可达2000Ｍ。

-防爆型结构，确保**使用。

-单人就可完成校正及维修工作。

  产品规格

 适用种类

 LNG，LPG，HC等爆炸性气体

侦测种类

 LNG瓦斯，H2氢气，C2H4沼气，C2H5O乙醚，C3H8丙烷，H2氢气，C2H5O乙醚，丙烷

检测型式

 扩散式

检测原理

 催化性燃烧式，半导体式，红外线传导式

量        程

 0-100%lel / 0-100% VOLUME

精        度

 ± 3% 以内

反应时间

 15秒以内

信号输出

 4-20ｍA.DC

接线要求

 3线制

传输距离

 250M以内

操作温度

 -20 ~ 50℃

操作溼度

 5 ~ 95% RH 

供　　电

 18-31V.DC

接口尺寸

 1/2" or 3/4" PE / NPT

產品規格

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