KROHNE OPTIMASS Series User Manual

Installation and Operating Instructions OPTIMASS
7
Examples
Vertical mounting Horizontal mounting
Upward sloping installation
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
Flow
2
1
Flow
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.

KROHNE OPTIMASS Series Specifications

General

Housing Material	Aluminum, stainless steel
Measurement Principle	Coriolis
Flow Measurement	Mass flow, density, temperature
Accuracy	±0.1% of rate
Repeatability	±0.05% of rate
Pressure Range	Up to 400 bar
Communication Protocols	HART, PROFIBUS DP/PA, Modbus, Foundation Fieldbus
Materials	Stainless steel, Hastelloy
Approvals	ATEX, IECEx
Output Signals	4-20 mA, pulse, frequency
Protection Class	IP67
Process Connection	Flanged, threaded, sanitary
Power Supply	24 V DC, 100-240 V AC