Liquid filled vacuum gauges reduce the effects of pulsation and pressure spikes during measurement. With dampening characteristics that minimize alterations in your reading, it allows the vacuum/pressure gauge to give more accurate results.
Not only does the liquid inside of these gauges help control the effects of vibrations, but the liquid also acts as a lubricant for the moving parts of the gauge. All of those factors plus stainless-steel with reinforced thermo plastic construction makes this one of the most durable gauges for purchase.
WARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
The warning listed above is provided to California consumers to ensure compliance with California Proposition 65.