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Design and principle of operation
2.1 Technical data
Note
All pressure in bar (gauge); all errors and deviations are specified in % of the adjusted mea-
suring span.
Media 05 Differential Pressure and Flow Meter
Nominal range
Adjustable
measuring span
(mbar)
Accuracy class in %
Pressure rating
Indicator
Characteristic
Deviation from terminal-
based linearity
Sensitivity
Effect of static pressure
Limit contacts
Control circuit
Proximity switch
Switching accuracy
Dead band, approx.
Perm. ambient temperature
Perm. storage temperature
When used with gaseous
oxygen as the process
medium
10
mbar 0 to
0 to
60
100
Max. 40
60
100 to
to
to
Min.
66
110
±4
PN 50, overloadable on one side up to 50 bar
250° scale, approx. 162 mm scale length, 0 to 100 % linear or square
root scale division for any linear measured variable, for measured
variables based on equations, curve or table
Characteristic linear to differential pressure, scale linear to tank
content
<±2.5 %
(including hysteresis)
1)
<0.25 % (with 0 to 60 mbar nominal range: <0.5 %)
<0.03 %/1 bar <0.5 %
Two inductive alarm contacts A1 and A2 acc. to EN 60947-5-6
Values corresponding to connected isolating switch amplifier e.g.
KFA6-SR2-Ex2.W
SJ2-SN, for hazardous areas according to PTB 00 ATEX 2049 X
<±2 %
<0.6 %
–40 to +80 °C; for oxygen –40 to +60 °C
–40 to +100 °C
Max. temperature: +60 °C · Max. oxygen pressure: 30 bar
0 to
0 to
0 to
160
250
400
160 to
250 to
400 to
176
275
440
0 to
0 to
0 to
600
1000
1600
600 to
1000
660
1100
to
1760
±2.5
0 to
0 to
2500
3600
1600
2500
to
to
2750
3960
EB 9520 EN
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