68
11 Supplement
VEGAFLEX 81 • Profibus PA
44214-EN-171002
Gas phase
Temperature
Pressure
1 bar (14.5 psig)
10 bar (145 psig)
50 bar (725 psig)
Air
20 °C (68 °F)
0 %
0.22 %
1.2 %
200 °C (392 °F)
-0.01 %
0.13 %
0.74 %
400 °C (752 °F)
-0.02 %
0.08 %
0.52 %
Hydrogen
20 °C (68 °F)
-0.01 %
0.1 %
0.61 %
200 °C (392 °F)
-0.02 %
0.05 %
0.37 %
400 °C (752 °F)
-0.02 %
0.03 %
0.25 %
Steam (saturated
steam)
100 °C (212 °F)
0.26 %
-
-
180 °C (356 °F)
0.17 %
2.1 %
-
264 °C (507 °F)
0.12 %
1.44 %
9.2 %
366 °C (691 °F)
0.07 %
1.01 %
5.7 %
Characteristics and performance data
Measuring cycle time
< 500 ms
Step response time
6)
≤ 3 s
Max. filling/emptying speed
1 m/min
Products with high dielectric constant (>10) up to 5 m/
min.
Ambient conditions
Ambient, storage and transport tempera
-
ture
-40 … +80 °C (-40 … +176 °F)
Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value
always applies.
The measurement error through the process conditions in the specified pressure and temperature
range is < 1 %.
Process pressure
Ʋ Standard version
-1 … +40 bar/-100 … +4000 kPa (-14.5 … +580 psig),
depending on the process fitting
Ʋ with borosilicate glass leadthrough
-1 … +100 bar/-100 … +10000 kPa
(-14.5 … +1450 psig), depending on the process fitting
Vessel pressure relating to the flange
nominal pressure stage
see supplementary instructions manual "
Flanges ac-
cording to DIN-EN-ASME-JIS
"
Process temperature (thread or flange temperature)
Ʋ FKM (SHS FPM 70C3 GLT)
-40 … +150 °C (-40 … +302 °F)
Ʋ EPDM (A+P 75.5/KW75F)
-40 … +150 °C (-40 … +302 °F)
Ʋ FFKM (Kalrez 6375)
-20 … +150 °C (-4 … +302 °F)
Ʋ FFKM (Kalrez 6375)
-20 … +200 °C (-4 … +392 °F)
6)
Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).