Understanding the altimeter in Sport Products

What is an altimeter?

Back to basics, an altimeter is a device that measures changes in height, or say how the Pro - altitude. The easiest way to measure the altitude is to measure the air pressure around us changes as we go up or down, the air gets thinner the higher we climbed. Unfortunately, this change is very slight (unless you have a shot!) And require a very precise tool for measuring changes in air pressure from hikers who have, or evenAlpine ski racers. Until recently the only way was to mechanically sensitive, too large, delicate and expensive for the average Joe to transport. Then electronic meters were made aircraft - but these were very expensive, very exotic. And then these genes and their miniature electronics were, until they fall into a normal watch! Now everyone can have one.

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But the changes in air pressure over time even right?

Understanding the altimeter in Sport Products

Yesago, but not enough to meters too vague and a little 'attention, you can read the changes in air pressure and have an idea ahead of time. In other words, you can get weather forecasts right on your wrist!

But what I do with a watch-altimeter?

It depends on what you do with your life, but just imagine how many of today's action sports involving about ... and then back down. Imagine how they rose from the depths ofthe hill, its total height increase for the day on his mountain bike, how far you ski'd down a hill - and the time taken. You can return next week and try to do more, faster! There are other things, the climbers can pin point where they are - if you are on a ridge knife, if you know the height can be read by a contour map and set its position. If you are hiking in the jungle, you can see the air pressure during the night and see if tomorrow will bring that day is gloriouswait! Whatever you do in a cycle of rotation of skydiving, it would be nice to know that just a little 'more about where you are and what have you done?

Ok, I bought one, how do I use to measure the height?

The bases are dead simple, if the precision is not a matter of life or death, or that they are interested only in proportion to the relative change (relative change is the difference between A and B, the actual height of the letter A or B) , then you have just read your height or height adjustmentdirectly from the clock - nothing to it. Zero (or contour map with the closest) in the bottom and note his ascent to the summit, dead easy with these very accurate clocks of one meter or two. While not equal to zero, the readings will be about the right to a specific location (eg 10 m) altitude and is accurate to within a meter or two.

However, the specification says that the measure of height with an accuracy of one meter?

Well, whatthey mean is that going to measure the variation in height in less than a meter to measure the absolute height accuracy of this meter is calibrated and the climate affects the air pressure to maintain the accuracy needed to be calibrated as possible during the day. This sounds like a chore, but it is not. Everything we do is, whenever you reach a point where you know the height, for example at the top of a mountain lake, or anywhere else where you can read the height of are-map the actual height on the clock. This will take a couple of buttons and a few seconds. Even when high precision is required, as when they entered the cloud at 2,000 m in the Cairngorm plateau, just do this every few hours. I put mine on the beach and it was perfect in meters at the top of most Assynt Ben 4 hours later!

And time?

Well, putting the clock on the barometer and check the air pressure at this time. If your child, and 1020Mbarabove, is likely to be dry. 980Mbar and below, and will probably be gray and wet. I say probably because it is not foolproof, but it's a pretty good guide in general. If you look at the weather over time, eg during the night get to see the trend (shown in the clock greaph bit) indicates whether the pressure is increased in the fall or perhaps remains the same. In general, if the pressure is falling, it's getting worse, if it is in the Constitution, clearing the sky is likely soon. It takes a while 'To get the gift, but soon you'll have a good idea of what is happening around them. When you see a 980 and plummetting cheater and maybe put the bike in the shed and get to know colleagues in the bar talking about how good it was last week. If you are a canoeist - perhaps this weekend will be a great little water!

Yes, but she said that the altitude affects air pressure and weather affects air pressure - how do I know what is affecting the readings?

WellNow, an experienced user! You're right, they influence each other, and the altitude is much more time, so if you're up and down a bit 'on climate becomes very difficult to filter, but can be done. The main thing is to maintain calibration, time or height is important - to maintain calibration. Usually you calibrate the watch from a height map, this will ensure the altitude is always accurate. But when adjusted, stop and think for a moment, reading the clock is low,or high. If the reading is low, is good news since the last time calibrated air pressure is increased - remember - a higher pressure means low level - so that the clock reads cost. If the height is a high value, the opposite happens, the pressure is reduced - could be a bad time to come. The amount you need to change the clock tells you something - a meter or two, the time is actually very stable, 10 feet and it is better to keep one eye. For a general guide to pressure changesabout 1 mbar to 8 m high, so if you are at least 800 meters and 900mbar air pressure, sea level is 900 800 / 8 = 1000mbar. If you are a die real time, use the following table to calculate the atmospheric pressure at sea level, the readings of altitude and the barometer of their position. Remember - this is an estimate, many factors can influence the actual air pressure - maintain calibration and keep your eyes peeled! (If you really want to learn more, visit the network, there are some really good geekweather sites out there).

mbar mbar / m

0 0 0 0
100 11 200 7
200 400 22 13
300 600 33 20
400 800 43 27
500 54 1000 33
600 65 1200 40
700 76 1400 46
800 87 1600 53
900 98 1800 60
1000 109 2000 66
1100 120 2200 73
1200 130 2400 80
1300 141 2600 86
1400 152 2800 1993
1500 163 3000 1999

And it's a bar too!

Some of them do, not the best marching compass, but do the job.The indicators tend to be small, but with a backlit display that can see well enough to check your course and since the wrist is always immediately available and does not stand in the way of your ax. Hold the compass useful on real decisions of navigation, but check your watch regularly to stay on the path you created.

The final image

At the end of the day, ALTI-watches are another tool that can be fun, a serious training aid, or really your ass outdeep things. If you intend to use it seriously you need to practice using it and maintain control against all other inputs are around. Keep visible, with good weather in the wrist, bad weather, put on his jacket - it's waterproof! A good navigator uses all his tools together and then be able to detect if one of them is misleading. Personally, my High clock (I'm on my second!) I have saved some serious punishment and kept me out of the ground more harmonce I get every day and look at the time, so I know whether to take the bike to work or not!

I can not say that you should get one, but if you spend time outdoors to use it because I think today's prices, why not give it a try. Typical Suunto Core popular choice for reliable and accurate

Have fun but keep safe in there!

Understanding the altimeter in Sport Products The Inbetweeners Video Clips. Duration : 25.17 Mins.

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