测量单位 | °C, °F, K 露点或气体温度, ppmV, ppmW 针对空气,针对 N2, H2, CO2, SF6 % RH, g/m3, g/kg | °C, °F, K 露点和气体温度,ppmW & g/kg针对空气, 针对 N2, H2, CO2, SF6 ppmV, lb/mmscf & g/m3 for natural gas ppmV, g/m3 & % RH |
| CE | ATEX: II 1G Ex ia IIC T4 Ga (-20°C ~ +50°C) IECEx: Ex ia IIC T4 Ga (-20°C ~ +50°C) INMETRO: Ex ia IIC T4 Ga (-20°C ~ +50°C) TC TR Ex: 0Ex ia IIC T4 Ga FM: Class I, Division 1, Groups A B C D, T4 CSA: Class I, Division 1, Groups A B C D, T4 |