Compressed Air Audit Tool with LCD Display

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It measures mass flow, temperature and pressure simultaneously

Hydraulics & Pneumatics

Compressed Air Audit Tool with LCD Display
Compressed Air Audit Tool with LCD Display

VPFlowScope is a compressed air audit tool involved in the development of the flowmeter at VPInstruments. It measures mass flow, pressure, temperature and flow direction, which means we only have to install one meter instead of four. Moreover, the VPFlowScope is compact, simple to install and the integrated data logger is easy to read.

“With every AirAudit we find opportunities for improvement that pay for themselves", says Ab Soekhoe, Sales Manager at Geveke Energy Services in Amsterdam. That is saying something, because each year, Geveke Energy Services carries out more than one-hundred-and-fifty AirAudits with the VPFlowScope proving to be an indispensable measuring instrument.

There is a good reason why Soekhoe favours the VPFlowScope above other meters. He is one of the compressed air specialists who was involved in the development of the flowmeter at VPInstruments. Soekhoe believes that his needs have been fully met. “The VPFlowScope measures mass flow, pressure, temperature and flow direction, which means we only have to install one meter instead of four. Moreover, the VPFlowScope is compact, simple to install and the integrated data logger is easy to read. Reliability and accuracy are also very important to us. We operate throughout the Benelux and we cannot afford to keep on having to go back and reinstall equipment.”

Main pipelines and points of use

To obtain useful measurements, Soekhoe places measuring equipment throughout the compressed air system. “Not only do we take readings at the compressor system outlet, we also take them at the points of use. The relationship between these two is essential is the system is to perform at its best. We recommend placing high-end flowmeters in the main pipelines and low-cost flowmeters at the points of use. We monitor the quality and the increases and decreases in compressed air use in the main pipeline, whereas at the points of use, we look in particular at any changes in consumption patterns. By linking all the measuring points to VPVision (permanent energy monitoring) or a building management system, all information can be monitored from in front of a computer.”

Top 3 issues

Geveke Energy Services has analysed the data collected and used it to come up with practical advice on how to make savings. The top three most common issues are:

1. Mismatch between the capacity of the compressors and demand for compressed air.

2. Controlling compressors incorrectly.

3. Poor handling of sluggishness when there is varying demand for compressed air.

Soekhoe immediately provides the solutions to these issues:

1. If the capacity of the compressor system is too great, energy consumption will be unnecessarily high. On the other hand, if there is too little compressed air supply, the pressure may fall away completely. A different compressor setup or installing a pressure vessel offer possible solutions. Although this may seem expensive, energy costs represent a hefty 75% of the total cost of ownership, so the outlay is soon earned back.

2. The incorrect controlling of compressors can be fixed with a compressor management system that selects the correct compressor configuration for every level of demand for compressed air and runs it within the most efficient range.

3. An Intelligent Flow Control can resolve any poor handling of sluggishness when there is varying demand for compressed air. This is achieved through the installation of a dynamic buffer vessel combined with a smart valve that is capable of responding to variations in compressed air demand at lightning speed. This is much quicker that a compressor that needs to provide a “boost”. The system keeps the pressure in the compressed air network remains highly stable meaning the system pressure can be set considerably lower than was previously possible.

Posted on August 11, 2016 - (1425 views)
VPInstruments
Buitenwatersloot 335
ZH 2611 Delft - Netherlands
+31-15-2131580
+31-15-2130669
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