testo manifold top tip # 4


It is essential that a system is properly evacuated to prevent moisture and subsequent acid build up. Otherwise, if left, this can lead to a compressor failure.

In addition to this, to avoid measurement faults, the measured pressure (relative) needs to be adjusted to the ambient pressure (absolute).  With most manifolds, it is necessary to measure the pressure manually.


For more information email: info@testo.co.uk 

About Testo Limited

We offer an extensive range of instruments for many parameters and applications including; Temperature, Humidity, Velocity, Gas analysis, RPM, Pressure, Light, pH, Sound. testo instruments are widely used in the following sectors: HVAC-R: heating, ventilation, air conditioning and refrigeration. Process Industry: manufacturing industries, service companies and utilities. Food Sector: including food manufacture, transport, storage, distribution and retail. Thermal Imaging: for building surveys, maintenance, electrical inspections and production monitoring.

Posted on November 20, 2012, in flue gas, Food Hygiene, Health and Safety, hEATING, Humidity, hvac, Industry, Plumbers uk, Refrigeration and tagged , , , , . Bookmark the permalink. Leave a comment.

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