Measurement data registers - DMP5 - DMP6 - DMP7 - DMP8 - DMPX

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

Register number	Address	Description	Data format	Unit
1	0x0000	Relative humidity	32-bit float	%RH
3	0x0002	Temperature	32-bit float	°C
7	0x0006	Dew point temperature	32-bit float	°C
9	0x0008	Dew/frost point temperature	32-bit float	°C
11	0x000A	Dew/frost point temperature at 1 atm	32-bit float	°C
13	0x000C	Dew point temperature at 1 atm	32-bit float	°C
15	0x000E	Absolute humidity	32-bit float	g/m3
17	0x0010	Mixing ratio	32-bit float	g/kg
21	0x0014	Water concentration	32-bit float	ppmv
23	0x0016	Water vapor pressure	32-bit float	hPa
25	0x0018	Water vapor saturation pressure	32-bit float	hPa
27	0x001A	Enthalpy	32-bit float	kJ/kg
31	0x001E	Dew point temperature difference	32-bit float	°C
33	0x0020	Absolute humidity at NTP	32-bit float	g/m3
65	0x0040	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	0x0100	Relative humidity	16-bit signed integer	100	0	%RH
258	0x0101	Temperature	16-bit signed integer	100	0	°C
260	0x0103	Dew point temperature	16-bit signed integer	100	0	°C
261	0x0104	Dew/frost point temperature	16-bit signed integer	100	0	°C
262	0x0105	Dew/frost point temperature at 1 atm	16-bit signed integer	100	0	°C
263	0x0106	Dew point temperature at 1 atm	16-bit signed integer	100	0	°C
264	0x0107	Absolute humidity	16-bit signed integer	100	0	g/m3
265	0x0108	Mixing ratio	16-bit signed integer	100	0	g/kg
267	0x010A	Water concentration	16-bit signed integer	1	0	ppmv
268	0x010B	Water vapor pressure	16-bit signed integer	10	0	hPa
269	0x010C	Water vapor saturation pressure	16-bit signed integer	10	0	hPa
270	0x010D	Enthalpy	16-bit signed integer	100	0	kJ/kg
272	0x010F	Dew point temperature difference	16-bit signed integer	10	0	°C
273	0x0110	Absolute humidity at NTP	16-bit signed integer	100	0	g/m3
289	0x0120	Water mass fraction	16-bit signed integer	1	0	ppmw