I worked at a lab, we had a couple of liquid guages on some of the
equipment, but not all. The equipment most delicate to air pressure (
DSR or direct shear rheometer if anyone cares) didn't have liquid guages.
The only thing I can think of is that the liquid be more viscous than air
keeps the needle steady.
mm
At 11:06 PM 11/4/99 -0600, you wrote:
>What are the benefits of having a liquid filled tire guage compared other
>tire guages. I am looking to buy a "good" tire guage, rather than relying on
>those pencil type ones. I am looking for the type with a nice big 1.5"-2"
>Round Face Dial, 0-60PSI, and one with a bleeder vavle built into it. I have
>seem these for around $25-$40 in Jeg's and Summit's catalogs. I have stumled
>across a liquid filled one for $45 and just curious about the liquid and
>what it benefits are. Here is a link of the one I found for $45.......I
>know, I know, it is a Toyota 4WD website, please forgive me.
>http://www.off-road.com/~allpro/pics/tireguage3.jpg
>Here is what the site(http://www.off-road.com/~allpro/product.html) says
>about it:
>"Made by Quickcar this high quality liquid filled air pressure gauge is
>accurate to within 1/2 pound. Many hard core wheelers keep two different air
>gauges with them, one for street pressures and a second 0-20 gauge for more
>accurate reading of trail pressures. Now you can have two in one. 0-40 PSI
>and accuracy to within 1/2 PSI. In stock and available for immediate
>delivery. One year warranty. $44.99."
>Any input??????
>Kyle
>93 Dakota 4x4 V6
>
>
>
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