I have just done a search and it seems we have not discussed tyre pressure guages, so my question is what is a reliable and accurate guage that I dont have to hock the van to buy.
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I have four, one is my ARB TPMS (all four tyres at once continuously, great), an ARB tyre inflator with gauge & 2 SCA digital gauges. All within 2 PSI of each other.
I had the opportunity to compare mine with someone in the outback with a professionally calibrated large dial gauge & the digital gauges were pretty much spot on & the ARB inflator was showing a conservative figure, ie the tyre was about 2 PSI higher pressure than what the dial said. Which was good news on a number of fronts, my tyres were being pumped up 2 PSI quicker than I thought, & the last 2 PSi always takes the longest to pump up!
They are cheap so get 2 gauges & average the readings...... & get TPMS while at it. One flat tyre caught before destruction will more than pay for TPMS.
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I've had a collection over the years including digital (ok until the battery goes flat) but since adding airbags to the rear of the car, I required one that accurately measured down to 5psi. So for a while I had two - origins of both were from Supercheap. Two took up extra room in the console & the low pressure one had a dodgy brand name "Slime" - it only lasted a few months before I suspect the slime got in the works! I still have the other but the minimum pressure is 10psi.
So I bought another also from Supercheap - a Colibro (or Calibro) - it is fantastic! I think it cost around $35, has a hard rubber casing, reads pressures from 1 to 60psi in 1psi markings & the nozzle swings around so you're not standing on your head trying to read it. I've found it to be quite accurate too.
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Warren
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My trusty PCL pen gauge has been with me for yonks and is the only one I trust. Made in England, Sheffield stainless, easy to read. No batteries, no shaking dial needle to cause confusion. Plenty on eBay, but many cheap imitations also exist, usually of Chinese origin - some are even plastic and last about 5 mins. If ever I use another gauge e.g. at the servo, or on my own compressor I always double check it with the PCL. I'm a bit old school, but often find simple is the most reliable!
I use a bit of inch steam pipe about 18 inches long, the right rebound and sound when the tire is hit gives a good indication of pressure. This is a pre metric system
cheers
blaze
I have a Migil [French] branded Michelin, had it since the mid 70's, still as accurate today as back then.
The steam pipe used by truckies in the 80's & before, was why we saw many, many tyre blowouts on our highways, & they wasn't all retreads ! just incorrect tyre pressures
Often just look at bottom of tyre . Then check with service or truck tyre place . Have both digital and the old slidding type . It tells you within 5 Lb . Atleast it doesnt require batteries . The gauge on my compressor is analogue.
