State system for ensuring the uniformity of measurements. Moist methane. Thermodynamic properties at temperatures from 200 K to 400 K, pressures from 0,1 to 10 MPa and relative moisture from 0,2 to 1,0
State system for ensuring the uniformity of measurements. State verification schedule for variable pressure measuring instruments in the range from 1·10 2 to 2,5·10 7 Pa for frequencies from 5·10 -1 to 1·10 4 Hz and durations from 1·10 -5 to 10 s under constant pressure up 5·10 6 Pa
