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How to tell how much suction a vacuum cleaner has - and how the newer models are flipping the script on everything we thought we knew about suction
4. Use a suction gauge If you’re concerned that your vacuum has lost suction and requires a repair or needs replacing, Isabella says, ‘A quick test you can perform is by placing your hand over ...
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Understanding Absolute and Gauge Pressure Sensors
The widespread use of synonymous ... an absolute vacuum point. They are especially suitable for high-pressure environments ...