Measurement data registers - GMW83 - GMW83A - GMW83D - GMW83DRP - GMW83DRPC - GMW83RPC - GMW84 - GMW84S - GMW86P - GMW87M

GMW80 Series User Guide

Document code: M211748EN
Revision: H
Language: English
Product: GMW83; GMW83A; GMW83D; GMW83DRP; GMW83DRPC; GMW83RPC; GMW84; GMW84S; GMW86P; GMW87M
Document type: User guide

Table 1. Modbus measurement data registers (read-only)
Register number	Address	Register description	Data format	Unit
1	0000_hex	Measured CO₂ value	32-bit float	ppm
5	0004_hex	Measured temperature ¹	32-bit float	°C
257	0100_hex	Measured CO₂ value	16-bit integer	ppm
259	0102_hex	Measured temperature (T * 10) ¹	16-bit integer	°C

¹ Device internal temperature measurement. Measurement accuracy not specified.