VEGA VEGABAR 81 Save sensor - Operating Instructions - Manual (Page 45)

45
9 Supplement
VEGABAR 81 • Slave sensor for electronic differential pressure
45049-EN-131011
Ʋ Flange 3" 150 lbs RF, ANSI B16.5 0.25 mbar/10 K
Ʋ Flange 3" 150 lbs RF, ANSI B16.5 with
extension 2 "
1.34 mbar/10 K
Temperature coefficient of a cooling ele-
ment, depending on the diaphragm-ø
0.1 … 1.5 mbar/10 K
Temperature coefficient of a 1 m
long capillary line, depending on the
diaphragm-ø
0.1 … 15 mbar/10 K
Long-term stability (according to DIN 16086 and IEC 60770-1)
Turn down (TD) is the relation nominal measuring range/adjusted span.
Long-term drift of the zero signal
4) < (0.1 % x TD)/year
Process conditions
Product temperature depending on the measuring cell seal
5)
The specifications are an overview. The specification on the type plate are valid.
Measuring cell seal Product temperature - standard
version
Product temperature - version
with extended temperature range
FKM (VP2/A) -20 … +130 °C (-4 … +266 °F) -20 … +150 °C (-4 … +302 °F)
FKM (A+P 70.16) -40 … +130 °C (-40 … +266 °F) -
FKM (ET 7067) -20 … +130 °C (-4 … +266 °F)
1 h: 140 °C/284 °F cleaning tem-
perature
-
EPDM (A+P 75.5/KW75F) -40 … +130 °C (-40 … +266 °F)
1 h: 140 °C/284 °F cleaning tem-
perature
-40 … +150 °C (-40 … +302 °F)
EPDM (ET 7056) -40 … +130 °C (-40 … +266 °F)
1 h: 140 °C/284 °F cleaning tem-
perature
-
FFKM (Kalrez 6375) -20 … +130 °C (-4 … +266 °F) -20 … +150 °C (-4 … +302 °F)
FFKM (Perlast G75S) -15 … +130 °C (-4 … +266 °F) -15 … +150 °C (5 … +302 °F)
FFKM (Perlast G75B) -15 … +130 °C (-4 … +266 °F) -15 … +150 °C (5 … +302 °F)
FFKM (Chemraz 535) -30 … +130 °C (-22 … +266 °F) -
FEPM (Fluoraz SD890) -5 … +130 °C (-22 … +266 °F) -
Product temperature depending on the ambient temperature
Ambient temperature Product temperature
+50 °C (+122 °F) +150 °C (+302 °F)
+80 °C (+176 °F) +100 °C (+212 °F)
Mechanical stress, depending on the instrument version
4) Depending on which chemical seal is used, the values can also be higher.
5) With process fitting PVDF, max. 100 °C (212 °F).