Methane 甲烷 CH4Detection principle: NDIR (Dual Beam)检测原理非分散式红外 (双光束)Detection range: 0 to 100 Vol.-%检测范围0 to 100 Vol.-%Accuracy: + 1 % of range检测精度检测范围的+ 1 %Pre alarm: 7 % LEL (settable)预报警7 % LEL (可设置)Main alarm: 14 % LEL (settable)主报警14 % LEL (可设置)Operating temperature: -10°C to 50°C运行温度-10°C - 50°CPressure: 800 hPa to 1100 hPa压力800 hPa - 1100 hPaHumidity: 0% to 95% rel. humidity湿度0% - 95% 相对湿度Warm up time: < 2 Min.预热时间< 2 分钟Response time: < 5 s响应时间< 5 sElectrical data / 供电数据Operating voltage: 5,0 V DC +/- 5 %气室运行电压5,0 V DC +/- 5 %Drive current: 70mAswitch on current approx. 140mA驱动电流70mA开启电流大约 140mAOutputs: 2 Signal outputs (Open collector),Modbus Open Protocol输出2个信号输出（开路）Modbus 公开协议Mechanical data / 机械数据Dimensions L x W x H 100 mm x 20 mm x 20 mm(Depending an Detection range)尺寸 L x W x H 100 mm x 20 mm x 20 mm根据探测器范围不同而不同Storage temperature -25 to 60°C存储温度-25 - 60°C