Krohne ALTOSONIC V12 ultrasonic gas flow meter for custody transfer

Krohne ALTOSONIC V12 ultrasonic gas flow meter for custody transfer     Product Description  1 .Custody transfer measurement of natural gas   ALTOSONIC V12 has been designed to offer the best possible measurement accuracy, not only   during a calibration under ideal conditions but also during the less ideal conditions in the field.   As a result ALTOSONIC V12 is the first Ultrasonic Flowmeter that was certified to OIML R137   class 0.5 by NMi. This provides a significant improvement of the overall measurement   uncertainty compared to more traditional ultrasonic gas flowmeters that are typically OIML R137   class 1 approved.   Due to its design with 12 acoustic chords a flow conditioner is no longer required; standards   such as AGA9, ISO 17089 and MID are met with just 5D straight inlet piping. Flowmeter   diagnostics are standard and give an exact picture of what is happening inside the flowmeter.   With the optional KROHNE Care expert system the accuracy of the meter is even evaluated 24/7   inside the meter itself and an integrated web server presents the results as an easy to access   webpage. 2.Highlights  Krohne ALTOSONIC V12 ultrasonic gas flow meter • 12 acoustic chords for excellent swirl immunity and built-in redundancy • No flow conditioner required • Just 5D straight inlet piping required to comply to AGA9, ISO 17089 and MID • First ever ultrasonic flowmeter to receive OIML R137 class 0.5 approval by NMi • Meter accuracy evaluated 24/7 by optional web-based KROHNE Care expert system   3.Industries for Krohne ALTOSONIC V12 ultrasonic gas flow meter • Oil & Gas • Natural gas distribution • Large consumers of natural gas   4.Applications for Krohne ALTOSONIC V12 ultrasonic gas flow meter • Custody transfer and allocation measurement • Border stations • Large transfer points • Master metering • Check metering • LNG production and regasification    5. Variants for Krohne ALTOSONIC V12  ultrasonic gas flow meter    ALTOSONIC V12 6 paths that use a single reflection to provide 12 acoustic measurement chords. Offering the best possible accuracy in high pressure, natural gas applications.   ALTOSONIC V12 Direct 6 paths without reflection for low pressure and high CO2 applications. Due to non-reflective technology this meter is OIML R137 class 1 approved, just like most Other direct path meter designs.  
ALTOSONIC V12 Twin   Two flowmeters in a single body,permitting two completely independent measurements with the installation of  just a single flowmeter.                   ALTOSONIC V12 Reference   Specially designed as reference in calibration facilities and very high-end master meter applications. Standard in stainless steel with integrated inlet piping.         6. Krohne ALTOSONIC V12  ultrasonic gas flowmeter  Technical data   Measuring system  

Measuring principle	Ultrasonic transit time
Application range	Flow measurement of natural gases with a minimum of 75% methane.
Measured value
Primary measured value	Transit time
Secondary measured values	Actual volume flow and totalized flow rate

  Design

Construction	The ALTOSONIC V12 measurement system consists of a meter body with ultrasonic transducers and a signal converter for signal processing and counter display on top of the meter body.
Nominal diameter	DN100...350 / 4"...14": machined out of one piece of metal.
	DN400...1600 / 16"...64": welded design.
	Other diameters on request.

Display functions
Language of display texts	English, French, German, Dutch, Russian
Units	Metric and Imperial units selectable from list / free unit.
Measuring accuracy
Accuracy	≤ ±0.2% of measured flow rate, for high pressure flow calibrated.
	≤ ±0.1% of measured flow rate, for high pressure flow calibrated and linearised.
Repeatability	< ± 0.1%

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Product Categories : Krohne Flow Meter