How Does Your Compressed
Air Purity Monitoring
Procedure Measure Up?
Are Regular ISO 8573 Audits Sufficient?
For many companies, in-house between them or indicate inert or
verification of compressed air quality viable microbiologicals, having a sensor
Compressed air quality audits are rarely supplements their external ISO permanently measuring at critical points
carried out in strict compliance with ISO 8573 audits to give a more complete in the system will give rapid indication
8573 and a lot can happen in between understanding of delivered air quality. of increased levels that would prompt
them that can seriously affect your This reinforces their site quality further investigation.
reputation and profitability. Whether standards by providing more frequent strict compliance is important for you measurement points,highlighting trends Removing the need for sending oil
is more a consideration of maintaining that may indicate the need for planning samples away for laboratory analysis
your site quality standards and the air remedial action before contamination through the use of modern PID
purity records need to reflect the actual levels become problematic. sensors, provides a quick, accurate and
repeatable assessment of oil vapour
system conditions. The methods used in
the audits for measuring each impurity Water will condense or evaporate with an almost instant indication of
type, the length of sample times and according to temperature and pressure system changes. They also offer online
the conclusions drawn from the results changes throughout the air distribution 24/7 monitoring with alarm outputs.
must be appropriate and repeatable but system and relying on the dew point are enough questions asked about the readings from the sensor on the dryer Would you rather know beforehand or is
methods before the audit? in the plant room, is not likely to provide it safe to assume everything will be fine
sufficient certainty all across the site. until the next 6 monthly audit?
There have been occasions where Standalone dew point sensors with the test results were genuine but at a integral displays and alarm relay outputs Red Dragon Ltd t/a Measure Monitor
lower purity class than expected and are a very inexpensive way of providing Control
contractors have been told to re-test point of use verification that the Unit 15 Abergorki Industrial Estate
by a manager in denial. If your auditor delivered air is dry within the expected Ynyswen Road
knows that you expect an air purity limits. Treorchy
CF42 6DL
result of 1:2:1, are you certain they
couldn’t skew the results to meet this Organic and inorganic particulates can 01443 772500
in order to get paid and move on to the be measured with laser particle counters [email protected]
next job? and while they won’t differentiate www.measuremonitorcontrol.com
20 FDPP - www.fdpp.co.uk