Register number Address Register
description
Data format Unit and notes
29 001C
hex
Carbon monoxide 32-bit float ppm
v
001D
hex
31 001E
hex
Carbon dioxide 32-bit float ppm
v
001F
hex
33 0020
hex
Total dissolved
combustible
gases (TDCG)
32-bit float ppm
v
0021
hex
35 0022
hex
Hydrogen 32-bit float ppm
v
0023
hex
37 0024
hex
Moisture in oil 32-bit float ppm
w
0025
hex
39 0026
hex
Temperature of
in-oil
measurement
chamber
32-bit float °C
0027
hex
41 0028
hex
Relative moisture
in oil
See Calculating
relative moisture
saturation inside
transformer
(page 14)
32-bit float %RS
0029
hex
43 002A
hex
Total gas pressure
(TGP)
32-bit float hPa
002B
hex
24 hour average values
51 0032
hex
Methane 32-bit float ppm
v
0033
hex
53 0034
hex
Acetylene 32-bit float ppm
v
0035
hex
55 0036
hex
Ethylene 32-bit float ppm
v
0037
hex
57 0038
hex
Ethane 32-bit float ppm
v
0039
hex
OPT100 User Guide M211858EN-U
106