Deltabar S
Endress+Hauser 7
Flow measurement Design and operation mode
P01-PMD7xxxx-15-xx-xx-xx-000
Flow measurement with Deltabar S and primary element, left: Orifice plate and right: Pitot tube
QFlow
∆
p Differential pressure,
∆
p = p
1
– p
2
Your benefits
• Choice of four flow modes of operation: volume flow, norm volume flow (European norm conditions),
standard volume flow (American standard conditions) and mass flow.
• Choice of flow units with automatic unit conversion.
• User-specified custom measuring units.
• Low flow cut off: when activated, this function suppresses small flows which can lead to large fluctuations
in the measured value.
• Contains two totalizers as standard. One totalizer is user-resettable.
• The totalizing mode and unit can be individually set for each totalizer. This allows independent daily and
annual quantity totalizing.
Q
Q
p
1
p
1
p
2
p
2
Q~
Q~
Dp
Dp
++
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