Meaning
Name
ID
Size in
bytes
Type
Read/
write
Persistent
Other
Analog output
error state
current
A_EC
35
4
Float R/W
Yes
0 … 25 mA
Analog output
low end current
A_LC
36
1
Byte
R/W
Yes
0 = 0 mA
1 = 4 mA
Analog output
scale low (0/4
mA)
A_LOW
37
4
Float R/W
Yes
ppm CO
2
Analog output
scale high (20
mA)
A_HI
38
4
Float R/W
Yes
ppm CO
2
Other
Persistent compensation values (used if volatile values are not given)
Compensation
temperature
T_COMP2
39
4
Float R/W
Yes
37 °C (default)
Compensation
pressure
P_COMP2
40
4
Float R/W
Yes
1013.25 hPa
(default)
Compensation
humidity
RH_COMP2
41
4
Float R/W
Yes
90 %RH
(default)
Compensation
oxygen
O2_COMP2
42
4
Float R/W
Yes
19.7 %O
2
(default)
GMP231 User Guide
M211501EN-E
68
Summary of Contents for CARBOCAP GMP231
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