5. Commissioning, operation
5.4.2.5 Data register, measured values
Measured values can only be read and not written.
Models GDT-20, GDHT-20
EN
Address
Register
00000
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00058
00059
00060
00061
00062
00063
Model GDHT-20
Address
Register
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
40
Measurand
Pressure
Pressure
Pressure
Pressure
Pressure
Pressure
Temperature
Temperature
Temperature
Gas density
Gas density
Pressure standardised
to 20 °C [68 °F]
Pressure standardised
to 20 °C [68 °F]
Pressure standardised
to 20 °C [68 °F]
Pressure standardised
to 20 °C [68 °F]
Measurand
Humidity, frost point
Humidity, dew point
Humidity, frost point
Humidity, dew point
Humidity, frost point
Humidity, dew point
Humidity, frost point
Humidity, dew point
WIKA operating instructions transmitter, models GDT-20 and GDHT-20
Unit
Based on
p
bar
Absolute pressure
p
MPa
Absolute pressure
p
Pa
Absolute pressure
p
kPa
Absolute pressure
p
psi
Absolute pressure
p
N/cm²
Absolute pressure
T
°C
T
K
T
°F
rho
g/l
rho
kg/m³
p20 bar
Absolute pressure at 20
°C [68 °F]
p20 bar (gauge
Gauge pressure at
pressure)
20 °C [68 °F] based on
1.013 mbar
p20 MPa
Absolute pressure at 20
°C [68 °F]
p20 MPa
Gauge pressure at
(gauge
20 °C [68 °F] based on
pressure)
0.1013 MPa
Unit
Reference
gas
T
°C
SF
f
6
T
°C
SF
d
6
T
°C
SF
f
6
T
°C
SF
d
6
T
°C
N
f
2
T
°C
N
d
2
T
°C
N
f
2
T
°C
N
d
2
Based on
Atmosphere
Atmosphere
Tank
pressure
Tank
pressure
Atmosphere
Atmosphere
Tank
pressure
Tank
pressure