Digital Tyre Inflator

Got a Halfords one - http://www.halfords.com/workshop-to...own-essentials/halfords-digital-tyre-inflator - had it about 2 years and it works perfectly. The "analogue" version is about 1/2 the price and just as easy to use however.

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Ring RAC 635 , can be had for around £25 , comes in a nice case and stows away nicely in the boot under the flooring.
 
I have exactly the same one as IanH and I've had it 18 months. It's been fine, though it uses a screw attachment for th valve rather than a quick release clamp. This means that you inevitably lose air when undoing it.

I also use a separate tyre pressure gauge and always overinflate the tyres then reduce pressure to the correct level.

Ive used it pretty regularly, adjusting tyre pressures in the colder months when they are lower because of the colder ambient and also reinflating tyres after track days.
 
I have exactly the same one as IanH and I've had it 18 months. It's been fine, though it uses a screw attachment for th valve rather than a quick release clamp. This means that you inevitably lose air when undoing it.

I also use a separate tyre pressure gauge and always overinflate the tyres then reduce pressure to the correct level.

Ive used it pretty regularly, adjusting tyre pressures in the colder months when they are lower because of the colder ambient and also reinflating tyres after track days.

I do exactly this, fill extra 2psi and as I undo it you hear a bit escape. Use a separate gage to double check after.
 
Have the halfords one pictured above and as suggested, also over inflate to about 2 psi to account for the little bit of escaping air. Had it close to 4 years now I think, still going strong with no issues.
 
The air compressors with the screw attachment say that they overcompensate when inflating due to losing some pressure when in the process of removing the hose.

Saying that i tend to add 1 psi to mine anyway - firstly i'm suspecting the measurement isn't as accurate, and secondly it'll drop to it's recommended level pretty quickly.
 
I've got one similar to that from Amazon, other than the fact that my one allows you to select target pressure it and it's sold by Amazon is no different. See who has the best price and get one.
 
Have the halfords one pictured above and as suggested, also over inflate to about 2 psi to account for the little bit of escaping air. Had it close to 4 years now I think, still going strong with no issues.

2PSI overcompensation is quite high surely? I've got the BMW pump with the analogue gauge built in, and it only loses a small amount of pressure, not enough to make a difference really.

Maybe for someone with the finger movement speed of a sloth? :D

I always check the pressures and deflate as required with a digital gauge afterwards, the gauge was reviewed highly in some car magazine years ago, and hasn't had any issues yet, simply press onto the valve, hold and let it read.
 
I've got two, both digital, one is a Michelin and the other is the normal Ring digital model, both seem accurate and are easy to use, I like the set the target pressure and it switches off automatically, both know the amount of over pressure required and both are within the range of error of our calibrated pressure sensor we use in work.

The reason I got the Ring was they always review well on autoexpress when they do their group tests:

http://www.autoexpress.co.uk/access...-preset-digital-with-led-light-rac-635-review
 
Was looking at these earlier. Not a fan of the screw head, anyone recommend one with leaver or push valve or an attachment i can screw onto these for the same result
 
Was looking at these earlier. Not a fan of the screw head, anyone recommend one with leaver or push valve or an attachment i can screw onto these for the same result

I prefer the screw heads on these, they work really well, and don't leak much air at all, I'd say they have been more reliable than the lever type for me.

I have had cheaper pumps with poorly designed screw heads that just leak quite a lot of air until they seal, but the Ring for example pretty much leaks nothing when putting it on.
 
I'm using a bicycle pump to pump up my tyres. It says specifically not to use on cars, but meh. Does the job :o

Maybe I should invest in one of these...
 
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