Draper Pencil Tyre Pressure Gauge

[Newbiker0507]

How do I use this?

[binge]

If its the old style, Similar to a tread depth gauge. Which shoots out when you push it onto the valve.
I wouldn't bother using it.




Ben

[Newbiker0507]

Well many of the serious posters on here recommended it.

So I repeat, how do I use it?

[nowhere.elysium]

You press the valve end on to the tyre valve, and a tab will stick out the the other end with the pressure reading on it. They're not the most accurate gauges in the world, though, hence binge's response.
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[Wafer_Thin_Ham]

I use a halfords keyring digital gauge.

Cost me a fiver, and is accurate enough(+/- 1psi), had it years.
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[MarJay]

Pencil gauges are accurate as long as you use them properly.

Push the gauge so that the inner part is completely shrouded by the outer. Then remove your valve cap and place the open end over the cap, making sure that you line it up squarely. Then push down on the gauge and you'll hear a very short hiss. If you hear air leaking out you've done it wrong and need to start again. Once you get the technique you'll know when you've done it right. Don't touch the moving part of the gauge and read off the value.

Simples.
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[the grim reaper]

Some of these are a pain to use because of the brake discs getting in the way. I have an analogue needle guage that is very accurate and has a 90 degree fitting on the end of a hose. Only cost a few quid off ebay.

Cheers

Grim
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[druidsam]

[Bikeless]

+2 for Halfords digi gauge for a fiver,got 2 and have measured them against calibrated ones and they are very accurate.

[Finglonga]

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[Tonka]

I've a very old pencil style guage that belonged to my Dad and it's surprisingly accurate, but I find it very fiddly to use on the bike

I was frogmarched into Tesco to buy one of their digi guages the other week ( ) It was just £4.00 and very easy to use and accurate, albeit you can't reset to zero, you have to wait for it to reset itself, which is a bit irritating but hardly a disaster!
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[nowhere.elysium]

Very well, I guess that I don't have the knack of using one, then, since I couldn't get a stable reading off of it...

I use a digital one, because it's the cheapest I could find, and it's pretty accurate.
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'10 SV650SF, '83 GS650GT (it lives!), Questionable DIY dash project, 3D Printer project, Lasercutter project

[Newbiker0507]

I've just gone out and used it and the other end popped out as people said.

So what's the black bit that comes with it for?

The instructions on the back of the box are not helpful at all:

[Dr. DaveJPS]

one of these?

https://www.freemanscycles.co.uk/images/tubes/Repair/Valve_key.jpg

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[yen_powell]