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04-03-2019, 12:15 PM
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#1
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Senior Member
Join Date: Oct 2014
Location: Central Florida
Posts: 599
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tire gauges
There is a 3 and 4 lb difference between my Milton truck stick gauge and my TST sensors. Which would you say are more accurate?
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04-03-2019, 12:21 PM
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#2
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,502
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Quote:
Originally Posted by poppytoymaker
There is a 3 and 4 lb difference between my Milton truck stick gauge and my TST sensors. Which would you say are more accurate?
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I'd have to test your Milton truck stick gauge before I could offer an opinion.
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2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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04-03-2019, 12:45 PM
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#3
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Senior Member
Join Date: Jun 2018
Location: Southern Illissouri
Posts: 922
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Without having a way to test either, I would go with the measuring device that showed the lowest pressure. That way you are assured to err on the side of having a pound or 4 high, rather than a pound or 4 low.
Always better to have the pressure a bit too high rather than too low.
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Brian & Becky
2018 Avenger ATI 27RBS
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04-03-2019, 12:51 PM
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#4
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Site Team
Join Date: Oct 2014
Posts: 15,266
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Think the key here is the difference between a gauge and a monitor.
The gauge is an instantaneous reading of a static pressure while the monitor is a continuous check primarily looking for changes. This is a somewhat simplified explanation, but the value of the TPMS is to alert you of any unwanted ( alarms ) changes in the readings. The values read by a TPMS will continually change with speed, road surface and exposure to sun all of which are normal. What you are really looking for is any unusual change from normal or the other tires. I set my pressure with a good tire gauge and the TPMS does not always agree, but are close enough to use as acceptable.
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2015 Freedom Express 248RBS
TV 2015 Silverado HD2500 Duramax
TST Tire Monitors
Honda 2000I + Companion
2 100W solar panels
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04-03-2019, 12:57 PM
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#5
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,074
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Quote:
Originally Posted by Flybob
Think the key here is the difference between a gauge and a monitor.
The gauge is an instantaneous reading of a static pressure while the monitor is a continuous check primarily looking for changes. This is a somewhat simplified explanation, but the value of the TPMS is to alert you of any unwanted ( alarms ) changes in the readings. The values read by a TPMS will continually change with speed, road surface and exposure to sun all of which are normal. What you are really looking for is any unusual change from normal or the other tires. I set my pressure with a good tire gauge and the TPMS does not always agree, but are close enough to use as acceptable.
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^^THIS^^
I really don't care if my TPMS is spot on with my tested tire gauge. (2 Lb. lower difference) The TPMS pressure is just a reference and that is what I use it for but I have found I check the pressures less often with my gauge.
If I get in the TV and fire up the TPMS and all are where they need to be (referenced from the gauge) and within a pound or so of each other, we set sail.
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2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2017 Ford F-Series SCREW 4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=86
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04-03-2019, 01:07 PM
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#6
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,890
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I swear I read something that said the cheapest of digital gauges is more accurate then stick gauges. But I can't find the link to where I read it so it's just memory/hearsay.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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04-03-2019, 01:45 PM
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#7
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Senior Member
Join Date: Oct 2014
Location: Central Florida
Posts: 599
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re
Yes, but Milton is a good old made in USA buy In US company, been around a hunred years probably.
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04-03-2019, 02:04 PM
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#8
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Senior Member
Join Date: Feb 2015
Location: Oswego il
Posts: 2,428
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I am old school and I do not trust any TPMS for tires at all. The only time they really work is after the fact and the tire has a flat already.
I use a tire gauge and check my tires on all of my vehicles with the same tire gauge.
For my trailer I check every morning when we start out for that's day drive with a tire gauge and also manually inspect the tires for bulges and low air pressure. I also spot check my lug nut torque on each wheel. At every rest stop (about 2 hours) I check the tires with an IFR gun along with the wheel hub bearing and brakes. I am looking for abnormality in temperatures between each component on the same side.
In 10 years of towing I only had one tire failure, a catastrophic failure that no monitor would have caught. I had just left the campground and entered I80 getting up to speed that's when the tire failed after 5 mins of total time on the road. I think it was road debris that caused the tire to fail. No other tires on that camper failed for the rest of the trip.
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Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 145K+miles
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04-03-2019, 02:33 PM
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#9
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,890
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Quote:
Originally Posted by Jim34RL
The only time they really work is after the fact and the tire has a flat already.
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I've had personal experience that says otherwise.
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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04-03-2019, 04:43 PM
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#10
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Senior Member
Join Date: Jul 2018
Location: Baraboo, WI
Posts: 605
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I check my tire pressure every morning. I also have a TPMS on the trailer. I would like to know about a tire that is going down before it shreds the side of my TT. If the alarm goes off and tells me that I am losing pressure, I am pulling over as fast as is safely possible. Just checking pressure in the morning and when convenient isn't enough.
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04-03-2019, 04:53 PM
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#11
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Denver To Yuma In 90 Days
Join Date: Mar 2018
Location: Yuma, Arizona
Posts: 3,882
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Quote:
Originally Posted by ependydad
I've had personal experience that says otherwise.
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X2...
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04-03-2019, 05:16 PM
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#12
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Senior Member
Join Date: Feb 2013
Posts: 1,120
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Taks a look at an accu-gage by G.H. Meiser. Like most instruments you get what you pay, but these seem to offer a good value for truck trailer applications..
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Check out the "mods" in the albums
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04-03-2019, 05:30 PM
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#13
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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I would believe the one that has 'Made in the USA' on it
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Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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04-03-2019, 07:54 PM
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#14
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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I use a digital gauge to check my tires, about once a season. My digital gauge is within a couple of pounds of TST 507. Do whatever makes you feel safe, the TST has alerted me to several tires going flat. I depend on my TPMS
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04-03-2019, 08:24 PM
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#15
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Senior Member
Join Date: Jul 2018
Posts: 414
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Quote:
Originally Posted by ependydad
I swear I read something that said the cheapest of digital gauges is more accurate then stick gauges. But I can't find the link to where I read it so it's just memory/hearsay.
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I cannot find the thread either. I remember the thread referenced a retired long term tire engineer from one of the “big” tire co’s. He posted this gage as the one he trusted: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
I bought one because it was $10 and the Ashcroft dial gage i’ve had for years failed right before a trip (the hose started leaking).
If you truly want to know you are accurate, find a calibration lab and get it checked to NIST standards. Then keep that one in a safe place to compare your other gages ro.
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2018 Surveyor 264RKLE
Retired
Location depends on weather and state plandemic rules.
Most coincidences are carefully planned
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04-03-2019, 10:00 PM
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#16
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Jayhawker
Join Date: Jul 2018
Location: Suburbs Kansas City
Posts: 290
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Quote:
Originally Posted by Hoglou
Taks a look at an accu-gage by G.H. Meiser. Like most instruments you get what you pay, but these seem to offer a good value for truck trailer applications..
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I bought an Accu-Gage when I got out of the Navy in 1969. Still have it and it is still accurate. Had to buy a 100 psi one for the travel trailer, the old one only went up to 60 psi. G.H. Meiser & Co. has been in business since 1906.
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