
3-8
EB 9510 EN
Design and principle of operation
3.5
Technical data
Table 3-1:
General technical data
Media 7 Differential Pressure Meter
(All pressure in bar (gauge); all errors and deviations are specified in % of the adjusted measuring span)
Mounting orientation
Upright with display facing sideways
Principle of operation
The differential pressure at the diaphragm is converted into an electric
signal by the AMR system.
Pressure rating
PN 60, overloadable on one side up to 60 bar
Oxygen: PN 50, overloadable on one side within the adjusted system
pressure
Characteristic
Differential pressure proportional to the tank geometry
Deviation from terminal-based linearity
<±1.6 % (including hysteresis)
Sensitivity
≤0.25 % or <±0.5 % depending on measuring span selected
Effect of static pressure
<0.03 %/1 bar
Display
Display
LCD 128 x 64 (90 x 40 mm)
Storage temperature
–40 to approx. +80 °C
Operating temperature
Two-wire version: –20 to approx. +70 °C
1)
24 V version: –40 to +70 °C
230 V version: –20 to approx. +70 °C
1)
Measuring range in mbar
0 to 160
0 to 600
0 to 1600
2)
0 to 3600
2)
Adjustable measuring span in mbar
Class ±1 %
–
≤630 to ≥150
≤1700
2)
to ≥320 ≤3800
2)
to ≥720
Class ±1.6 %
≤170 to ≥60
≤150 to ≥120
–
–
Effect of ambient temperature in the range from –20 to +70 °C
On zero in %/10 K
<±0.4
<±0.1
<±0.1
<±0.1
On span in %/10 K
<±0.4
<±0.1
<±0.1
<±0.1
Internal absolute pressure sensor
Measuring range
0 to 60 bar
Deviation from terminal-based linearity
<±1.6 %
Effect of ambient temperature
≤0.018 % (within the range from –20 to +70 °C)
Environmental influences
Storage acc. to EN 60721-3-1 (long-
term storage)
1K5 (air temperature –40 to +80 °C); 1M3
(The following restriction applies to GSM module: air temperatures –30 to
+75 °C)
Transportation acc. to EN 60721-3-2
2K4 (air temperature –40 to +40 °C in ventilated enclosures, up to +70 °C
in unventilated enclosures), 2M1
(The following restriction applies to GSM module for low air temperatures
down to –30 °C)
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