丁烷传感器采用双光束非分光红外线(NDIR)检测技术，具有抗其他气体干扰、保养维护简便、稳定性好、自带温度补偿、10年寿命、具有 Modbus ASCII协议数字输出和模拟输出等优点。适用于泄漏报警、现场施工防护、简单气体分析气体、在线监测、工业过程分析等多种场合。
特征参数：

量程：                                                                       0-1,4 Vol.-% (0-100% LEL)

                                                                   0 to 100 % LEL

低限报警：                                                              7% LEL（可设置）

高限报警：                                                              14% LEL（可设置）

操作温度：                                                              -10°C to 50°C

操作压力：                                                              800 hPa to 1100 hPa

操作湿度：                                                              0% to 95% RH

预热时间：                                                              <2 min

响应时间：                                                              <25 S

工作电压：                                                              5.0 VDC  ±5%

工作电流：                                                              70 mA

输出：                                                                       数字信号输出

                                                                   符合Modbus协议

                                                                   4-20mA / 0-20mA
                                                                  0-1V / 0-2.5V
使用寿命：                                                                10年

保存温度：                                                                -25 to 60°C