供电电源 | 10~30V DC |
平均功耗 | 485型:0.35W 模拟量型:1.0W |
输出信号 | 485输出(标准ModBus协议)、4~20mA、0~5V、0~10V |
重复性 | NH3/H2/CO(1000ppm)/H2S/CH4/NO2/SO2/O3/PH3/CH2O/CL2:≤2% CO(2000ppm) :≤3% O2/N2:≤1% |
稳定性 | CO(1000ppm)/H2S/H2/NO2/SO2/NH3/PH3/CL2 | ≤2%信号值/月 |
CH4/O3/CH2O | ≤7%信号值/年 |
CO(2000ppm)/O2/N2 | ≤5%信号值/年 |
工作温度 | H2/CO/H2S/CH4/NO2/SO2/O2/NH3/PH3/O3/CH2O/CL2/N2:-20~50℃ |
工作湿度 | NH3/H2/CO/H2S/NO2/SO2/O3/PH3/CH2O/CL2:15~90%RH 无冷凝 O2/N2:5~95%RH 无冷凝 CH4:0~95%RH 无冷凝 |
工作压力 | NH3/H2/CO(1000ppm)/H2S/SO2/O2/O3/PH3/CH2O/N2/CL2 | 90~110kPa |
NO2 | 91~111kPa |
CH4 | 80~116kPa |
CO(2000ppm) | 80~120kPa |
预热时间 | NH3/H2/CO/H2S/CH4/NO2/SO2/O3/O2/PH3/CH2O/CL2: ≥5min N2:≥15min |
防爆标志 | Ex db IIC T6 Gb;Ex tb IIIC T80℃ Db |
继电器带负载能力 | 250VAC 1A/30VDC 1A |