The Design of Pressure Gauge And Indispensable Waterproof Cases

Update:02 Aug 2018

Instruments used to measure and display pressure in an […]

Instruments used to measure and display pressure in an integral unit are called pressure gauges or vacuum gauges. We all known that pressure gauge is one of the most often used instruments in a plant. But because of their great numbers, attention to maintenance--and reliability--can be compromised. As a consequence, it is not uncommon in older plants to see many gauges and switches out of service. One goal of good process instrumentation design is to install fewer but more useful and more reliable pressure gauges.


Available gauge features include illuminated dials and digital readouts for better visibility, temperature compensation to correct for ambient temperature variation, differential gauges for differential pressures, and duplex gauges for dual pressure indication on the same dial. Pressure gauges are classified according to their precision, from grade 4A (permissible error of 0.1% of span) to grade D (5% error).


Two common reasons for gauge failure are pipe vibration and water condensation, which in colder climates can freeze and damage the gauge housing. The delicate links, pivots, and pinions of a traditional gauge are sensitive to both condensation and vibration.


The life of the filled gauge is longer, not only because it has fewer moving parts, but because its housing is filled with a viscous oil. This oil filling is beneficial not only because it dampens pointer vibration, but also because it leaves no room for humid ambient air to enter.


Gaugecase has good quality stainless steel cases qand other related products like adjustable pressure gauge movements, highly accurate pressure gauge pointers, pressure gauge dials and punching metal parts in the list of hot sale. As a result, with these cases, water cannot condense and accumulate.

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