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What does the Altimeter measures? - Cycling

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On non-GPS units, the Altimeter measures changes in BAROMETRIC (AIR) pressure through small vents in the back. On GPS units use either Barometric or Trigonometric measurement using 3 or more satellites. I had an older Garmin that used the Trig Satellite method. It was OK if you rode fairly straight roads without trees or rocks around. Going up steep passes with switchbacks usually gave false readings. Garmin now uses Barometric readings which are a lot more accurate, such as the 500 and 510. They also record your total ascent for a ride.

Posted on Feb 25, 2013

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The Altimeter measures elevation of your ride. It is useful if you are training for a race and you would like to keep record of your highs and lows.

Posted on Jan 14, 2013

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1 Answer

How do you set barometer


Hi George:
I'm used to barometric pressure as related to altimeter setting in aircraft, but the principal is the same.
For an altimeter, If you know the elevation (above sea level) that you are at, and you set the altimeter to that altitude, the barometric pressure showing on the altimeter will be the current barometric pressure.
If you have a barometer without an altimeter, someone would have to provide you with the current setting. That would probably be your nearest weather station, airport, or your computer.
Here's a link to one.
http://weather.gc.ca/marine/weatherConditions-currentConditions_e.html?mapID=02&siteID=14300&stationID=46131
Pressure and tendency refers to barometric pressure.
If you reply as a COMMENT to this post I will try to assist if possible.
Cheers.

Apr 02, 2016 | Measuring Tools & Sensors

2 Answers

What is altimeter means


The altimeter records your elevation above sea level. Useful when mountain climbing, Tour De France cycle racing the mountain section or flying, which I am sure you do almost every day :>)

Mar 04, 2016 | Watches

1 Answer

What is an altimeter?


It is an instrument that is used for measuring the altitude of something above a certain level.

Jan 31, 2013 | Measuring Tools & Sensors

1 Answer

I have a Suunto X-Lander and i dont get along with the barometer/altimeter. The barometer always shows about 2 mbar below the nearby airport homepage. Can i by myself calibrate the sensor? This even...


Erik, the altimeter uses barometric pressure to determine changes in elevation. Rule one is whenever you know the elevation for a fact, adjust it as the barometer is changing often and therefore affecting the altimeter reading. The only sure way to avoid this is use GPS. Altitude is derived from locating 3 or 4 satellites in a geo syncrohnus(SP?) orbit. Pilots always reset the altimeter before take off and you should too. Find elevations on road signs, maps, etc.

May 24, 2011 | Watches

1 Answer

Locked screen , need button combo for suunto core


If you enter the following into your search engine, you will see a list of instruction manuals.
www.suunto.com/en/Support/Download-Center--User-Guides/

Download the one for your watch.

Feb 18, 2010 | Suunto Core Wrist Top Computer with...

1 Answer

I have a casio g-shock not work the Altitude Measurement


The riseman can be reset but also needs to be calibrated. Your instruction manual will walk you through calibrating your altimeter.
If you have misplaced your manual you can download a manual from Casio's website.

http://support.casio.com/manual.php?rgn=1&cid=002

Sep 16, 2009 | Casio GShock Riseman AltiTherm GW92001...

2 Answers

Altimeter setting creeps up on Suunto Vector


It sounds like IC (integrated Circuit) in your watch is mulfunctioning, but can be something else. Can't say without inspection.None of the readings mentioned by you is acceptable.
As the watch is purely microelectronic, there is nothing you can do but to take it back to the retailer and ask for repair or replacement. If your watch is just 10 days old, this must be done under warranty and at no cost to you.
Don't forget to rate, please.

Jan 05, 2009 | Suunto Vector Wristwatch

1 Answer

Setting the altimeter on the la crosse xg-55


altitude changes depending on pressure; because you are along ocean, you experience it more than usual.
M problem is that temperature remains higher than normal one (30°C), can you solve it ?

Sep 03, 2008 | La Crosse XG-55 Wrist Watch

1 Answer

Tissot T-Touch : Faulty reading on Thermo, no reading on Altimeter and meteo not working either


If it's under warranty by all means pursue a fix. You might have to send it to a warranty center instead of working with your local dealer.

"Water proof" and "water resistant" are very different. About 20 years ago all watch companies stopped promising waterproof and started using the term water resistant. It gives them wiggle room in the guarantee, unfortunately. I believe T-Touch is supposed to be water resistant to only a few meters.

Nov 21, 2007 | Tissot T-Touch T33159851 Wrist Watch

1 Answer

Meteo


1. How do you know the meteo is wrong? Are you comparing against a known good measurement device?

2. The altimeter requires adjustment every few days or whenever there's a weather change. Select the altimeter, hold the upper or lower button until you have the correct altimeter reading for where you are and it will hold for a few days.

For example, I know my home is at 100m elevation (I checked on a topo map) so I reset it to 100m when I leave the house in the morning. It varies (in my case) by over 100m in either direction, depending on the weather.

Nov 03, 2007 | Tissot T-Touch T33159851 Wrist Watch

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