Appendix d engineering unit codes – Spectrum Controls 1734sc-IE2CH User Manual
Page 77
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User’s Manual Pub. 0300257-01 Rev. A
Appendix D
Engineering
Unit Codes
This table maps engineering unit code numbers to their meaning and abbreviations.
Unit Codes Description from HART Specification Abbreviated Units
1
inches of water at 20 °C (68 °F)
inH2O (20 °C or 68 °F)
2
inches of mercury at 0 °C (32 °F)
inHg (0 °C or 32 °F)
3
feet of water at 20 °C (68 °F)
ftH2O (20 °C or 68 °F)
4
millimeters of water at 20 °C (68 °F)
mmH2O (20 °C or 68 °F)
5
millimeters of mercury at 0 °C (32 °FC
mmHg (0 °C or 32 °F)
6
pounds per square inch
psi
7
bars
bar
8
millibars
mbar
9
grams per square centimeter
g/square cm
10
kilograms per square centimeter
kg/square cm
11
pascals
Pa
12
kilopascals
kPa
13
torr
torr
14
atmospheres
atm
15
cubic feet per minute
cubic ft/min
16
gallons per minute
usg/min
17
liters per minute
L/min
18
imperial gallons per minute
impgal/min
19
cubic meter per hour
cubic m/h
20
feet per second
ft/s
21
meters per second
m/s
22
gallons per second
usg/s
23
million gallons per day
million usg/d
24
liters per second
L/s
25
million liters per day
ML/day
26
cubic feet per second
cubic ft/s
27
cubic feet per day
cubic ft/d
28
cubic meters per second
cubic m/s
29
cubic meters per day
cubic m/d
30
imperial gallons per hour
impgal/h
31
imperial gallons per day
impgal/d
32
Degrees Celsius
°C
33
Degrees Fahrenheit
°F
34
Degrees Rankine
°R
35
Kelvin
°K
36
millivolts
mV
37
ohms
ohm
38
hertz
hz
39
milliamperes
mA
40
gallons
usg