KROHNE OPTIMASS Series Handbook page 8

Examples
Vertical mounting
Avoid mounting the meter with long vertical
drops after the meter. This could cause
siphoning and cause measurement errors.
Avoid mounting the meter at the highest point in
the pipeline. Air or gas can accumulate here and
cause faulty measurements
1
2
1 Valve for zeroing flow meter
2 The second valve is recommended if the pump is switched off to prevent reverse flow
To enable a good zero to be done, it is recommended that a shut-off valve be installed downstream
of the flow meter.
Horizontal mounting
Upward sloping installation
Flow
Installation and Operating Instructions OPTIMASS
1
2
Flow
7