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54
9 Supplement
WIKA Operating Instructions - Process pressure transmitter IPT-2x
Time period
Ten years
< 0.2 % x TD
Long-term stability - Piezoresistive/Strain gauge measuring cell
Version
Measuring ranges > 1 bar
< 0.1 % x TD/year
Measuring ranges > 1 bar, isolating liquid, synthetic oil,
diaphragm Elgiloy (2.4711)
< 0.15 % x TD/year
Measuring range 1 bar
< 0.15 % x TD/year
Measuring range 0.4 bar
< 0.35 % x TD/year
Process conditions - Piezoresistive/Strain gauge measuring cell
Process temperature
Seal
Sensor version
Standard
Extended tem-
perature range
Hygienic fittings
Version for
oxygen appli-
cations
p
abs
≥ 1 mbar
p
abs
≥ 1 mbar
p
abs
≥ 10 mbar p
abs
≥ 10 mbar
Without consid-
eration of the
seal
12)
-20/-40 … +105 °C
(-4/-40 … +221 °F)
–
–
–
-20 … +60 °C
(-4 … +140 °F)
FKM (VP2/A)
-20 … +105 °C
(-4 … +221 °F)
-20 … +150 °C
(-4 … +302 °F)
-20 … +85 °C
(-4 … +185 °F)
-20 … +150 °C
(-4 … +302 °F)
EPDM (A+P
70.10-02)
FFKM (Perlast
G75S)
-15 … +105 °C
(+5 … +221 °F)
-15 … +150 °C
(+5 … +302 °F)
-15 … +85 °C
(+5 … +185 °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)
Temperature derating
12)
Process fittings acc. to DIN 3852-A, EN 837