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Old 12-08-2020, 02:38 PM   #15
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Quote:
Originally Posted by arcaguy View Post
This is what NASCAR uses, at least the division I'm familiar with,


https://www.summitracing.com/parts/icp-360045

That tire Pressure Gauge has a range of 0-99.99 psi. Many require pressures in excess of 100 psi.

This one: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 has a range of 10 - 160 psi. Also, this one is adjustable so that you can calibrate it to read correctly.

Take care,
Stu
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Old 12-08-2020, 03:24 PM   #16
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Quote:
Originally Posted by groswald View Post
For everyone who stated, “it’s very accurate” about their preferred gauge,

How did you determine that?

Thanks,

Randy
I'm going to guess that most people that say this mean one of two things...

1) It's easy to get an accurate reading because the gauge is very legible,

or

2) The readings are consistent. Same reading every time.

Neither of these are actually any sign of accuracy, so I would also like to know if anyone has found a way to verify that the pressure reading the gauge gives is truly indicative of the pressure inside the tire.
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Old 12-08-2020, 03:49 PM   #17
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Originally Posted by groswald View Post
For everyone who stated, “it’s very accurate” about their preferred gauge,

How did you determine that?

Thanks,

Randy
I was wondering the same thing. I had a friend telling me how much more accurate his digital gauge was than my pencil gauge, and I asked "How do you know?" And he just sort of stood there

I've got a couple of digital pressure gauges and an Accugage that are within a half pound of each other and my TPMS. I've got an old pencil-type gauge that reads about 2 psi higher than these, and that's pretty consistent at the pressures I use on the RV. The front hub caps on the RV are in the way of all but the pencil gauge, so I use it and just set them 2 psi high.

The TPMS has ten sensors that all agree, within a half pound or so, with all the gauges except the pencil gauge, which is 2 psi high. So I'm thinking it's safe to assume that if ten TPMS sensors, two digital gauges, and one Accugage agree, they're unlikely to all be equally wrong.

A few months ago I did put 85 psi in a tank in my shop and tested all my gauges against it. I kept ones that were within 2 psi of each other and trashed the rest.
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Old 12-08-2020, 06:12 PM   #18
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Quote:
Originally Posted by richard5933 View Post
...so I would also like to know if anyone has found a way to verify that the pressure reading the gauge gives is truly indicative of the pressure inside the tire.
One way is to have your gauge tested and calibrated at a certified calibration laboratory. Here's a link to one of those labs: https://www.microprecision.com/servi...t-calibration/

Some tire shops may have a calibrated gauge and will allow you to use your personal gauge to test pressure on an inflated tire and compare your reading with that of the shop's calibrated gauge.

This gauge: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 has an adjustment capability so that, if you were to check it against a shop's calibrated gauge, you could adjust it so that it reads the same as the calibrated gauge.

Take care,
Stu
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Old 12-08-2020, 06:19 PM   #19
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I too was hoping folks had a simple way to check a gauge’s accuracy, but I kind of suspected people mean either:

1. I get the same reading every time (repeatable or consistent)

or

2. I get the same number as my other gauge (doesn’t mean anything).

I know you can buy calibrated gauges, but they tend to be more expensive.

Regards,

Randy
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Old 12-08-2020, 06:30 PM   #20
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I will continue to use my tire pressure gauge that I have sense it is consistent and if the tire pressure starts to differ then I have a problem. Would like to have a TPMS system but other things are calling for my RV bucks lately !
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Old 12-08-2020, 06:58 PM   #21
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Tire Pressure Gauges

Quote:
Originally Posted by richard5933 View Post
There is always going to be a discrepancy between a tire gauge and the TMPS reading.

Using my TireMinder TMPS as an example, the specs on it state that it is accurate to +/- 3%. The digital tire gauge I got from them states it is accurate to +/- 2%. Together, that can be a 5% gap between the two, meaning on a tire set at 100psi the TMPS and the gauge can have reading which are 5psi apart and both can still be within spec.
My TST TPMS and gauges are extremely close at sea level but consistently differ significantly when above 5,000 ft msl. --- WHY
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Old 12-08-2020, 07:13 PM   #22
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That tire Pressure Gauge has a range of 0-99.99 psi. Many require pressures in excess of 100 psi.

This one: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 has a range of 10 - 160 psi. Also, this one is adjustable so that you can calibrate it to read correctly.

Take care,
Stu



Opps my bad, I'll go stand in the corner for 5 minutes. I forgot about that high pressure issue.
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Old 12-10-2020, 09:51 PM   #23
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Quote:
Originally Posted by 777 Driver View Post
One way is to have your gauge tested and calibrated at a certified calibration laboratory. Here's a link to one of those labs: https://www.microprecision.com/servi...t-calibration/

Some tire shops may have a calibrated gauge and will allow you to use your personal gauge to test pressure on an inflated tire and compare your reading with that of the shop's calibrated gauge.

This gauge: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 has an adjustment capability so that, if you were to check it against a shop's calibrated gauge, you could adjust it so that it reads the same as the calibrated gauge.

Take care,
Stu

The stick gauge777 Driver showed is the one that I use.
My stick gauge is 1 lb lower than my TPMS.

Milton gauges are the go for tire pressure gauges.
They specialize in tire inflation and pneumatic tools and accessories.
Here is a link to their site.

https://www.miltonindustries.com/gau...ure-gages.html

Happy Shopping!


Tim
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Old 12-11-2020, 12:40 PM   #24
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This is probably the one used on 777Driver's Boing 777. I have one. Calibrated +/- 1/4 of 1%.

https://www.aircraftspruce.com/catal...ge12-05314.php
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Old 12-11-2020, 06:38 PM   #25
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For accuracy, always use a Thumper.
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Old 12-11-2020, 06:55 PM   #26
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I use this type of gauge because the round head is on a swivel and it’s the only kind that works with my wheel covers on 19.5 wheels.
I have a bunch of other pencil or stick types as well as Milton inflators that don’t fit.

Quote:
Originally Posted by IC2 View Post
This has been about the most accurate one I've used though the 160 psig version. Love the digitals but their battery always seemed to be dead when needed. There is a 100# one too



This is the AMAZON link for the 160# version: https://www.amazon.com/JACO-ElitePro.../dp/B01N4GO28W



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Old 12-11-2020, 07:09 PM   #27
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For accuracy, always use a Thumper.

And you can make it at home too!!! Any nice piece of ash, oak or elm will work. Just gotta learn the right “thump” sound.
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