VEGA VEGABAR 83 Save sensor - Operating Instructions - Manual (Page 47)

47
9 Supplement
VEGABAR 83 • Slave sensor for electronic differential pressure
45051-EN-131011
Long-term stability (according to DIN 16086 and IEC 60770-1)
Specifications refer to the set span. Turn down (TD) is the ratio: nominal measuring range/set span.
Ceramic/metal measuring cell Piezoresistive/strain gauge
measuring cell
One year < 0.05 % x TD
< 0.1 % x TD Five years < 0.1 % x TD
Ten years < 0.2 % x TD
Process conditions
Product temperature depending on the measuring cell seal
6)
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
Vibration resistance
4 g at 5 … 200 Hz according to EN 60068-2-6 (vibration
with resonance)
Shock resistance 100 g, 6 ms according to EN 60068-2-27 (mechanical
shock)
6) With process fitting PVDF, max. 100 °C (212 °F).