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DESCRIPTION
The ONICON F-2700 Series Insertion Vortex Flow Meter is a flexible design that delivers accurate, reliable flow measurement in a wide variety of applications. The integral temperature sensor and optional integral pressure sensor allow for direct mass flow measurement in steam and compensated flow measurement in compressed air and gases. A volumetric flow version of the meter is also available for liquid flow applications.
ONICON insertion style vortex meters can be installed without disrupting flow making them ideal for retrofit applications. They are also a cost effective option in larger pipes as they are priced independent of the pipe diameter.
A version of the F-2700 with temperature and optional pressure compensation is available as
a DC loop powered (2-wire) device with analog and pulse outputs. Optional external DC and AC powered versions of the meter are also available. These versions offer additional options for serial communications and additional analog, pulse, frequency and alarm outputs.
APPLICATIONS
• Saturated steam
• Hot water to 500° F (260° C) standard 750° F (400° C) optional
Applications with optional pressure sensor
• Superheated steam to 500° F (260° C) standard 750° F (400° C) optional
• Compressed air
• Industrial gases
CALIBRATION
Every ONICON flow meter is wet calibrated in a flow laboratory against standards that are directly traceable to N.I.S.T. A certificate of calibration accompanies every meter.
FEATURES
• Mass flow measurement from a single instrument
• Optional steam energy flow measurement
• Integral 1,000 W platinum RTD for precise
temperature measurement
•Optional integral pressure transducer for accurate pressure readings at the meter location
•DC loop powered operation
•Maintenance free non-moving parts design
•Wear resistant bluff body/sensor design
•Advanced signal processing algorithms ensure stable flow readings and reject noise.
•Easy-to-install meter arrives fully programmed and ready to use.
•Optional multi-analog output versions available.
•HART® serial communication
•Optional BACnet MS/TP or MODBUS RTU RS485
serial communication
GENERAL SPECIFICATIONS
ACCURACY
Steam and gases (Reynolds Number ≥ 10,000) Percent of reading accuracy to within:
± 1.0% for steam and gases (volumetric) ± 1.5% for steam and gases (mass)
Repeatability: ± 0.2%
Long term stability: ±0.2% over a period of 1 year
Liquids
± 0.7% for liquids (volumetric)
Repeatability: ± 0.2%
Long term stability: ±0.2% over a period of 1 year
