Pressure Gauges FAQ

Q: Why is my gauge pointer off zero?
A: The gauge may have been dropped or over pressured.

Q: Why is my liquid filled gauge pointer off zero?
A:Pressure build up in the cast – to fix relieve pressure by removing and reinserting the rubber bung at the top of the gauge.

Q: Why are gauges filled with liquid?
A:To avoid early fatigue from vibration or to dampen the indication due to pulsating pressure.

Q: What is the maximum temperature that my gauge can be used at?
A:Gauges should not be exposed to excessive heat or cold, as this may cause them to indicate incorrectly. Working fluids at a temperature above 60°C should not be allowed to enter the gauge. Remember – if a gauge shank cannot be grasped by hand without discomfort, it is working at too high a temperature. (AS1349-1986).

View our pressure gauges.

 

Conversion Table

Various Pressure UnitskPa
1 bar100
1 mbar0.100
1 PSI6.89476
1 cm of Mercury1.330
1 inch of mercury3.386
1 kg/cm298.067
1 metre of water9.789
1 foot of water2.984
1 inch of water0.249
1 atmosphere101.325

The above information is courtesy of Ross Brown Sales.

L100_Pressure_Gauge_1

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