3girls
NH
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Does anybody use one and are the fairly accurate.
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Scott_C
NJ
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I personally have not found any electronic versions that are accurate. We have mechanical gauges at work that are calibrated twice a year that I have compared some to and they are alway ±4 psi, which can be a big deal. You can pick up some nice mechanical gauges (don't waste a dime on a stick) for no more than $50. Make sure you get a proper range for your tires, which is most likely going to be 0-100 psi.
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FANDUDE
Bethlehem, Pa.
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I agree. I have a electronic gauge that my wife got me. I checked it against a dial gauge and it is about + 5 psi. In other words it reads about 5 psi over the actual. The way I look at it is this. You still need to bend over, take the cap off, press the gauge to the stem and read the results. I would rather be sure the reading is correct. Bonus point, you do not need batteries in the mechanical gauges.
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3girls
NH
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thanks for the info!
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92DakotaHD
Indiana
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I have a digital one and while it's all electronic appears accurate to the Tire Pressure Monitoring system that's on my Tahoe from the factory.
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coryrhonda
Minnesota
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I would say it is more important to check the tires frequently than what type of gauge you use, but I would not spend much on an electronic gauge. a couple pound under and over are not much but 5 is. I just use the old reliable mechanical at home and work.
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crooster
Cambridge, Ontario, Canada
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Joined: 08/17/2004
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I guess I got lucky with mine. I have a cheap digital that reads to 0.5 lb. I have checked it against my "racing" tire gauge ($100+) and its right on and give consistant results.
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profdant139
Southern California
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My Radio Shack gauge is right on, according to my other gauges.
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dave54
CA.
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Accuracy versus precision?
I have one that reads in 0.25 psi increments, but is consistently 1 psi low. So I allow that 1 psi bias when checking tires.
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Scott_C
NJ
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dave54 wrote:Accuracy versus precision?
I have one that reads in 0.25 psi increments, but is consistently 1 psi low. So I allow that 1 psi bias when checking tires.
Wondered when someone would split that hair... Problem with such an "adjustment" you need to know what that adjustment will be for the various pressures common to your gear. It's not a linear relationship for digital or mechanical gauges...
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