With the introduction of the Altosonic V, Krohne says that it pioneered multibeam measurement, multiproduct measurement, and custody transfer. The success of Altosonic V was a major reason for ultrasonic measuring technologies to be accepted by the American Petroleum Institute.
Following this endorsement, there became an obvious need for an ultrasonic flowmeter for single products that would offer all the advantages of ultrasonic flowmeters plus the custody transfer needed in this industry. The Altosonic III is the first of a new generation of custody transfer ultrasonic flowmeters to replace turbines and PDs in the measurement of light liquid hydrocarbons.
The Altosonic III is superior to a turbine or PD meter in the following areas:
* No moving parts nor intrusive parts, so no clogging, scaling or blockage.
* No periodic re-calibration because of drifting results.
* Long-term stability and high reliability.
* No wear and tear and therefore no costs for maintenance and again re-calibration, which would often necessitate removal of the meter.
* No pressure loss, means no need to upsize pumps, with the corresponding costs for procurement and electricity costs.
* No need for costly strainer, and therefore no cleaning costs, no mesh to become clogged.
* Altosonic III is bi-directional, and has built-in redundancy due to the three beams. However, failure of one of the beams is not to be expected considering the reliability observed in Krohne's ultrasonic equipment.
For custody transfer, the meter offers 0,2% accuracy and is compliant with OIML R-117. Retrofitting is easy, and the Altosonic III with a simple straightener slots straight into the position taken by a turbine.
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