（自2019年9月份起，RBT系统的气体探测器防护等级升级为IP66）
此款4-20mA型气体探测器是按照GB15322.1-2003、GB12358-2006设计的工业用可燃气体、有毒有害气体安全检测仪器。
该探测器为双腔体结构设计，具有LCD现场显示，红外遥控器校零、标定等功能，适用于化工、户外灌区等环境下。
可用于氟利昂、氨气、氯气、盐酸、硫化氢、二氧化硫、氰化氢、砷化氢等有毒有害气体，以及天然气、甲烷、乙醇、丙酮、乙炔、液化气、液化石油气、环戊烷等可燃气体浓度检测（未列举更多气体欢迎咨询）
产品特点：
◆ 测量准确：传感器采用进口气体敏感元件，精度高，零点漂移小，抗中毒性能好。
◆ LCD浓度显示，LED状态指示：LCD现场浓度显示，LED现场状态指示，可实时显示探测器的运行状态
◆ 防爆型设计：可用于工厂条件的1、2区危险场合。
◆ 维修方便：传感器采用数字化模组设计，现场更换时无需校零、标定。
◆ 防水设计：的双腔体结构设计，适于用户外环境。
◆ 声光报警：可选配专用的防爆声光报警信号灯，实现现场声光报警。
技术参数：
防爆等级：Exd II CT6 Gb
电气：
◆ 供电电源：DC24V±15%
◆功 率：＜1W
◆ 通讯方式：4-20mA
◆ 信号输出：一组无源常开信号（选配，触点容量DC24V/0.2A）
◆ 连接线缆：≥RVV 3×1.5mm2
◆ 准 确 度：±5%FS
◆ 检测气体：可燃气体、有毒有害气体、氧气、二氧化碳
◆ 检测原理：催化燃烧式、电化学式、红外式、半导体式
◆ 响应时间：催化燃烧式 T90＜30s
电化学式、半导体式：T90＜60s
红外式：T90＜90s
结构：
◆ 材料：铸铝
◆ 防爆链接螺纹：G3/4″内螺纹
◆ 外形尺寸：190×130×75mm
◆ 重量：1.5kg
环境：
◆ IP等级：IP66
◆ 工作温度：-40℃～70℃
◆ 湿度范围：10%RH～95%RH
◆ 压力范围：86Kpa～106Kpa
◆ 存储温度：-25℃～55℃
安装：
◆ 贴壁式、抱管式、穿管式
Gas Detector
Summary
gas detector is designed according to GB15322.1-2003 and GB12358-2006, suitable for detecting the flammable gas, toxic gas and harmful gas in industry.
The detector with double cavity structure. LCD displaying on spot , zero setting and calibration by remote infrared control, suitable for the surrounding (chemical industry, outdoor irrigated area, etc.).
Distinctive feature
1. Accurate measurement: sensor with imported gas sensory unit, high precision, less zero shift, strong anti-poisoning.
2. LCD: LCD concentration and state display on spot, displaying the operation state in real time
3. Explosion-proof: suitable for 1-area and 2-area dangerous site in firm.
4. Maintenance-free: sensor adopting digital model design, no need for zero setting and calibration for spot replacement.
3. Water-proof: the detector designed with special structure, suitable for outdoor environment.
4. Audible and visual alarm: gas detector if equipped with explosion-proof audible and visual alarm, sending audible & visual alarm on the spot.
Technical parm
Eclectic power
Supply Power: DC24V±15%
Max power: ＜1W
Communication mode: 4-20mA
Signal output: a group of passive often open signals(optional, contact capacity:DC24V/0.2A)
Connection cable: ≥RVV 3×1.5mm2
Accuracy: ±5%FS
Detection gases: the flammable gas, toxic gas, oxygen, carbon dioxide
Detection principle: Catalytic combustion, electro-chemical, infrared type, semiconductor
Response time: Catalytic combustion: T90＜30s
Electro-chemical, semiconductor: T90＜60s
Infrared type: T90＜90s
Structure
Material: Cast aluminum
Explosion-proof link thread: G3/4″ internal thread
Size: 190×130×75mm
Weight: 1.5kg
Surroundings
Ip grade: IP66
Working temperature: -40℃～70℃
Humidity range: 10%RH～95%RH
Pressure range: 86Kpa～106Kpa
Storage temperature: -25℃～55℃
Installment
Installment: Wall mounted, embracing tube type, passing tube type.
