Measurement data registers - GMP251 - GMP80P

GMP251 and GMP80P User Guide
Document code
M211799EN
Revision
K
Language
English
Product
GMP251
GMP80P
Document type
User guide
Modbus measurement data registers (read-only)
Register number Address Description Data format Unit
1 0x0000 Measured CO2 value 32-bit float ppm
3 0x0002 Compensation T 32-bit float °C
5 0x0004 Measured T 32-bit float °C
257 0x0100 Measured CO2 value 16-bit signed integer ppm (up to 32 000 ppm)
258 0x0101 Measured CO2 value 16-bit signed integer ppm1 (scaled, up to approx. 320 000 ppm)
1 The ppm output of the second Measured CO2 value register (number 258) is scaled and must be multiplied by 10.