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DISCO3.CO.UK > Wheels & Tyres

Quality of tyre pressure gauges
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IronMan
 


Member Since: 18 Jul 2006
Location: Midrand
Posts: 99

South Africa 2008 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3
Quality of tyre pressure gauges

The weekend we did a trail with some friends. When it came to deflating the tyre I got some assistance from my friend who uses his old manual tyre pressure gauge. I have a rubber sealed digital version.

He deflated a front tyre to my requested pressure of 1.9 BAR. When i checked it with my gauge it showed 1.75 BAR. This deviation was consistent on all tyres he did.

So the question... how trust worthy are these little gauges we use??!! Arrow  
Post #23569419th Dec 2007 3:05 pm
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robsmith
 


Member Since: 02 Sep 2007
Location: Staffordshire
Posts: 2401

United Kingdom 2005 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3

Not very!!!!
I had one that under read by about 50% from new, and very rapidly found its new home to be the wate bin.
Current key fob sized digital one is just about OK on the test line at work, but my "steam driven" mechanical one reads about 10% over at 2bar, and is not self consistent, so is heading to the bin soon.



Rob  
Post #23572119th Dec 2007 4:20 pm
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heine
 


Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054

South Africa 2009 Discovery 3 4.4 V8 HSE Auto Alaska WhiteDiscovery 3

The best you can do is ensure that you measure all 4 tyres with the same gauge . At least the tyres will all be at the same pressure ,which is better than having 2 on the same axle at differing pressures .  
Post #23582419th Dec 2007 7:34 pm
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THUB
 


Member Since: 10 Dec 2005
Location: West Berkshire.
Posts: 717

United Kingdom 2012 Discovery 4 TDV6 HSE Auto Nara BronzeDiscovery 4

I have three tyre gauges. One is digital from the AA, (£4.99) the other is German & has a clock type dial (£15.00) , the third (digital)was a gift.. I had them tested at by a company that checks gauges, torque wrenches etc for the motor trade. At 35psi the two digital gauges were +1psi; the other (dial) was -1psi. I doubt there is too much to worry about. All seem reasonably accurate.  
Post #23582619th Dec 2007 7:36 pm
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tyke65
 


Member Since: 18 Nov 2007
Location: God's Country
Posts: 130

United Kingdom 2006 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

I remember reading a comparison test in the last few years (might have been in a caravan magazine) and the one that came out best was the cheapo pencil type from Halfraiuds  
Post #23594919th Dec 2007 10:53 pm
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