VEGA VEGABAR 83 4 … 20 mA - Operating Instructions User Manual
Page 63
63
11 Supplement
VEGABAR 83 • 4 … 20 mA
45033-EN-131010
Long-term stability (according to DIN 16086 and IEC 60770-1)
Applies to digital HART interface as well as to analogue current output 4 … 20 mA under refer-
ence conditions. 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
Ambient conditions
Version
Ambient temperature
Storage and transport temper-
ature
Standard version
-40 … +80 °C (-40 … +176 °F)
-60 … +80 °C (-76 … +176 °F)
Version IP 66/IP 68 (1 bar)
-20 … +80 °C (-4 … +176 °F)
-20 … +80 °C (-4 … +176 °F)
Version IP 68 (25 bar) with connec-
tion cable PUR
-20 … +80 °C (-4 … +176 °F)
-20 … +80 °C (-4 … +176 °F)
Version IP 68 (25 bar), connection
cable PE
-20 … +60 °C (-4 … +140 °F)
-20 … +60 °C (-4 … +140 °F)
Process conditions
Product temperature piezoresistive/strain gauge measuring cell
Seal
Standard
Extended temperature
range
Version for oxygen ap-
plications
Without sealing (with pro-
cess fitting according to
EN 837)
-40 … +105 °C (-
40 … +221 °F)
-
-40 … +60 °C (-
40 … +140 °F)
FKM (VP2/A)
-20 … +105 °C (-
4 … +221 °F)
-20 … +150 °C (-
4 … +302 °F)
-20 … +60 °C
(+4 … +140 °F)
EPDM(A+P 75,5/KW75F) -30 … +105 °C (-
22 … +221 °F)
-30 … +150 °C (-
22 … +302 °F)
-30 … +60 °C (-
22 … +140 °F)
FFKM (Perlast G75S)
-15 … +105 °C
(+5 … +221 °F
-15 … +150 °C
(+5 … +302 °F)
-15 … +60 °C
(+5 … +140 °F)
FEPM (Fluoraz SD890)
-5 … +105 °C
(+23 … +221 °F)
-
-5 … +60 °C
(+23 … +140 °F)
Product temperature METEC
®
measuring cell
Version
Temperature range
Standard
-12 … +150 °C (+10 … +284 °F)
High temperature
-12 … +180 °C (+10 … +356 °F)
High temperature, screen sheet
-12 … +200 °C (+10 … +392 °F)
Mechanical stress, depending on the instrument version