Siemens 7ML5431 - List of Abbreviations

SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
265
List of abbreviations
13
Short form
Long form
Description
Units
3-A
3-A Sanitary Standards, Inc.
CE / FM / CSA Conformité Européene / Factory Mutual
/ Canadian Standards Association
safety approval
C
i
Internal capacitance
F
D/A
Dialog to analog
DCS
Distributed Control System
control room apparatus
dK
dielectric constant
EDD
Electronic Device Description
EHEDG European Hygienic Engineering Design
Group
FEA
Flanged encapsulated antenna
FDA
Food and Drug Administration
HEA
Hygienic Encapsulated Antenna
HART Highway Addressable Remote Trans-
ducer
I
i
Input current
mA
I
o
Output current
mA
IS
Intrinsically Safe
safety approval
L
i
Internal inductance
mH
mH
milliHenry
10
-3
H
μF
microFarad
10
-6
F
μs
microsecond
10
-6
s
NPS
Nominal Pipe Size
PED
Pressure Equipment Directive
safety approval
pF
pico Farads
10
-12
F
ppm
parts per million
PV
Primary Variable
measured value
PVDF
Polyvinylidene fluoride
SV
Secondary Variable
equivalent value
TB
Transducer Block
TVT
Time Varying Threshold
sensitivity threshold
TFM1600 PTFE Modified PTFE polytetrafluoroethylene
with perfluoropropyl
vinyl ether (PPVE)
modifier
U
i
Input voltage
V
U
o
Output voltage
V