How Do Pressure Gauges Work? | Bourdon Tubes FAQ

Learn how Bourdon tube pressure gauges and how they measure pressure accurately and reliably.

0:00 - How does a Bourdon tube pressure gauge measure pressure?
0:24 - Why do pressure gauges come in standard ranges of 15, 30, 60, and 100 PSI?
0:52 - What about the Bourdon tube is different for different ranges of measurement?
1:26 - How long do Bourdon tube pressure gauges last?
1:46 - Can you recalibrate or replace the Bourdon Tube?

Key Takeaways:

Mechanism: The Bourdon tube deflects under pressure, and this deflection is converted into a rotary movement that moves the dial pointer.

Range and Measurement: The tube’s size and wall thickness determine the gauge’s pressure range, accommodating measurements from as low as 10 PSI to as high as 10,000 PSI.

Durability: Bourdon tube gauges are robust, often lasting millions of cycles under normal conditions.

Maintenance: While these gauges can be recalibrated to correct small changes, the Bourdon tube itself is not replaceable if damaged.

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