Vaisala HMP3 - Page 83

Register
number
(decimal)
Address
(hexadecimal)
Register description Data format Scale
factor
Os
et
Unit
263 0106
hex
Dew point
temperature at 1 atm
16-bit signed
integer
100 0 °C
264 0107
hex
Absolute humidity 16-bit signed
integer
100 0
g/m
3
265 0108
hex
Mixing ratio 16-bit signed
integer
100 0 g/kg
266 0109
hex
Wet-bulb
temperature
16-bit signed
integer
100 0 °C *
267 010A
hex
Water concentration 16-bit signed
integer
1 0 ppm
v
268 010B
hex
Water vapor
pressure
16-bit signed
integer
10 0 hPa
269 010C
hex
Water vapor
saturation pressure
16-bit signed
integer
10 0 hPa
270 010D
hex
Enthalpy 16-bit signed
integer
100 0 kJ/kg
271 010E
hex
Water activity 16-bit signed
integer
10000 0
272 010F
hex
Dew point
temperature
dierence
16-bit signed
integer
10 0 °C
273 0110
hex
Absolute humidity at
NTP
16-bit signed
integer
100 0
g/m
3
274 0111
hex
Water concentration
in oil
16-bit signed
integer
1 0 ppm
v
277 0114
hex
Relative saturation 16-bit signed
integer
100 0 % *
289 0120
hex
Water vapor mass
fraction
16-bit signed
integer
1 0 ppm
w
Appendix A – Modbus reference
81
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