Measurement data registers - HMP1 - HMP3 - HMP4 - HMP5 - HMP7 - HMP8 - HMP9 - HMPX - MMP8 - MMPX - TMP1 - TMPX

Table 1. Floating point measurement data registers (read-only)

Register number	Address	Description	Data format	Unit
1	0000hex	Relative humidity	32-bit float	%RH
3	0002hex	Temperature	32-bit float	°C
7	0006hex	Dew point temperature	32-bit float	°C
9	0008hex	Dew/frost point temperature	32-bit float	°C
11	000Ahex	Dew/frost point temperature at 1 atm	32-bit float	°C
13	000Chex	Dew point temperature at 1 atm	32-bit float	°C
15	000Ehex	Absolute humidity	32-bit float	g/m3
17	0010hex	Mixing ratio	32-bit float	g/kg
19	0012hex	Wet-bulb temperature	32-bit float	°C
21	0014hex	Water concentration	32-bit float	ppmv
23	0016hex	Water vapor pressure	32-bit float	hPa
25	0018hex	Water vapor saturation pressure	32-bit float	hPa
27	001Ahex	Enthalpy	32-bit float	kJ/kg
29	001Chex	Water activity	32-bit float
31	001Ehex	Dew point temperature difference	32-bit float	°C
33	0020hex	Absolute humidity at NTP	32-bit float	g/m3
35	0022hex	Water concentration in oil	32-bit float	ppmw
41	0028hex	Relative saturation	32-bit float	%RS
43	002Ahex	Water concentration (wet basis)	32-bit float	vol-%
45	002Chex	Relative humidity (dew/frost)	32-bit float	%RH
65	0040hex	Water mass fraction	32-bit float	ppmw

Table 2. Integer measurement data registers (read-only)

Register number	Address	Description	Data format	Scale factor	Offset	Unit
257	0100hex	Relative humidity	16-bit signed integer	100	0	%RH
258	0101hex	Temperature	16-bit signed integer	100	0	°C
260	0103hex	Dew point temperature	16-bit signed integer	100	0	°C
261	0104hex	Dew/frost point temperature	16-bit signed integer	100	0	°C
262	0105hex	Dew/frost point temperature at 1 atm	16-bit signed integer	100	0	°C
263	0106hex	Dew point temperature at 1 atm	16-bit signed integer	100	0	°C
264	0107hex	Absolute humidity	16-bit signed integer	100	0	g/m3
265	0108hex	Mixing ratio	16-bit signed integer	100	0	g/kg
266	0109hex	Wet-bulb temperature	16-bit signed integer	100	0	°C
267	010Ahex	Water concentration	16-bit signed integer	1	0	ppmv
268	010Bhex	Water vapor pressure	16-bit signed integer	10	0	hPa
269	010Chex	Water vapor saturation pressure	16-bit signed integer	10	0	hPa
270	010Dhex	Enthalpy	16-bit signed integer	100	0	kJ/kg
271	010Ehex	Water activity	16-bit signed integer	10000	0	-
272	010Fhex	Dew point temperature difference	16-bit signed integer	10	0	°C
273	0110hex	Absolute humidity at NTP	16-bit signed integer	100	0	g/m3
274	0111hex	Water concentration in oil	16-bit signed integer	1	0	ppmw
277	0114hex	Relative saturation	16-bit signed integer	100	0	%RS
278	0115hex	Water concentration (wet basis)	16-bit signed integer	100	0	vol-%
279	0116hex	Relative humidity (dew/frost)	16-bit signed integer	100	0	%RH
289	0120hex	Water vapor mass fraction	16-bit signed integer	1	0	ppmw