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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)。
-最远传输距离可达2000M。
-防爆型结构,确保安全使用。
-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 Sensor Type: Continuous diffusion Function: Transmitter type Service: Indoor or outdoor locations Measuring range 1: 0-2000 ppm Measuring range 2: 0-100% LEL Measuring range 3: 0-100% Volume 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) Operating Temperature range: Electronics -40℃ to 70℃ 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 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 型錄PRODUCT SPECIFICATION
Including hazardous areas
Semiconductor cell
Catalytic cell
Thermal conductivity cellENVIRONMENTAL SPECIFICATION
Standard sensor -50℃ to 80℃
High Temp. sensor -50℃ to 250℃
18 to 31V.DC / 230mA max.
- 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
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