Product Summary Insertion Vortex Flow Meters indicate volumetric and/or mass flow rates of gases, liquids or steam in piping conduits. Design Features
Wide range of available insertion inside diameter applications
Installation by porting into piping without need to lengthening line
Optional installation and servicing removal of meter without shutting off line
No moving parts to wear or fail
Electronics can be remotely mounted up to 30.5 m (100 ft)
No holes to clog
Aalborg’s proprietary DSP algorithm accurately filters vortex frequency, improving the quality of flow measurements
High flow turndown ratio up to 10:1
Dual sensor signal processing technology improves accuracy at low flows
Accuracy of +/-1% of rate
Noise cancellation technology
Extensive Diganostics
Password protected data entry
Volumetric and mass flow information simultaneously displayed
Selectable engineering units
On board computer calculates density and mass flow
Totalizer [two programmable]
Principles of Operation Vortices are created when a fluid passes around a bluff body as shown in illustration (click Images Tab above). Vortices are alternately shed on each side of the body, 180 degrees out of phase to each other, resulting in an oscillating pressure gradient. As flow increases the frequency of vortices increases in proportion to the increased flow thereby creating a linear relationship. General Description Constructed of type 304 or 316 stainless steel, Vortex meters may be inserted into pipe conduits carrying gases, liquids or steam. Insertion applications facilitate inside diameters from 4” to 12 feet! By porting directly into piping, conduit lines need not be lengthened. Optional isolation valve permits installation, servicing, or removal of vortex meters without having to shut gas, liquid or steam processing operations. Key pad or communication interface is provided to access the following parameters: measuring units; programmable flow alarm; two programmable totalizers; programmable flow rate pulse output; two programmable optically isolated outputs; battery backed real time clock (RTC); digital communication interface (RS-232 or RS-485); programmable diagnostic events log and register with date/time stamp; programmable process variable log with date/time stamp; calibration and flowing fluid parameters adjustment; extensive diagnostics. Aalborg's unique dual signal processing technology independently measures each vortex on either side of the bluff body and filters out non-flow noise. This results in less noise and higher accuracy throughout the flow range.
Product Summary
Insertion Vortex Flow Meters indicate volumetric and/or mass flow rates of gases, liquids or steam in piping conduits.
Design Features
- Wide range of available insertion inside diameter applications
- Installation by porting into piping without need to lengthening line
- Optional installation and servicing removal of meter without shutting off line
- No moving parts to wear or fail
- Electronics can be remotely mounted up to 30.5 m (100 ft)
- No holes to clog
- Aalborg’s proprietary DSP algorithm accurately filters vortex frequency, improving the quality of flow measurements
- High flow turndown ratio up to 10:1
- Dual sensor signal processing technology improves accuracy at low flows
- Accuracy of +/-1% of rate
- Noise cancellation technology
- Extensive Diganostics
- Password protected data entry
- Volumetric and mass flow information simultaneously displayed
- Selectable engineering units
- On board computer calculates density and mass flow
- Totalizer [two programmable]
Principles of Operation
Vortices are created when a fluid passes around a bluff body as shown in illustration (click Images Tab above). Vortices are alternately shed on each side of the body, 180 degrees out of phase to each other, resulting in an oscillating pressure gradient. As flow increases the frequency of vortices increases in proportion to the increased flow thereby creating a linear relationship.
General Description
Constructed of type 304 or 316 stainless steel, Vortex meters may be inserted into pipe conduits carrying gases, liquids or steam. Insertion applications facilitate inside diameters from 4” to 12 feet!
By porting directly into piping, conduit lines need not be lengthened. Optional isolation valve permits installation, servicing, or removal of vortex meters without having to shut gas, liquid or steam processing operations.
Key pad or communication interface is provided to access the following parameters:
measuring units; programmable flow alarm; two programmable totalizers; programmable flow rate pulse output; two programmable optically isolated outputs; battery backed real time clock (RTC); digital communication interface (RS-232 or RS-485); programmable diagnostic events log and register with date/time stamp; programmable process variable log with date/time stamp; calibration and flowing fluid parameters adjustment; extensive diagnostics.
Aalborg's unique dual signal processing technology independently measures each vortex on either side of the bluff body and filters out non-flow noise. This results in less noise and higher accuracy throughout the flow range.
