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Sold by: Sun Co.
(3181 ratings)
93% positive over last 12 months
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Sun Company Altimeter 203 - Battery-Free Altimeter and Barometer | Weather-Trend Indicator with Rugged ABS Case and Lanyard | Reads Altitude from 0 to 15,000 Feet

4.4 4.4 out of 5 stars 169 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Altimeters by Sun Company

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About this item

  • Rugged ABS Housing - Durable, hand-held ABS plastic case keeps the Altimeter 203 gauge protected. Lanyard is included and helps keep the altimeter portable for any hiker, backpacker, or camper.
  • Accurate Readings - Adjustable dial lets you account for high or low pressure systems so that you get the most accurate reading possible. The perfect tactical pocket altimeter for hiking, camping, backpacking, or fishing.
  • Battery-Free - This analog altimeter is battery-free and simply adjusts based on the surrounding barometric pressure. More reliable than the more expensive digital watch alternatives. Pair your Altimeter 203 with a Sun Company compass and thermometer for a fully-analog weather/GPS loadout.
  • Easy-to-Read Scale - Easily measure altitude up to 15,000 feet. Barometric pressure is measured in inches of Mercury (Hg). Keep it in your car, truck, or vehicle to keep track of altitude changes while driving.
  • Full Instructions Included - Easy step-by-step instructions help you learn how to set and adjust your Sun Company altimeters/barometers.

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Product Description

altimeter 203 header

highly accurate altimeter

rugged abs case

ultra portable altimeter barometer

altimeter quality components list
inspected and packaged in the USA

sun co logo
About Sun Company

Since 1971, Sun Company has been family-owned and operated with the goal of making the outdoors safer, and more accessible for all. For over 50 years, we have been designing and building "simply intelligent" outdoor tools and instruments from our headquarters in Colorado.

Altimeter 203 - Highly Accurate Altimeter and Barometer for Hiking, Climbing, Orienteering

with ABS Protective Case and Lanyard

Measure the altitude wherever you go with this packable, lightweight altimeter. Hardside housing and a built-in lanyard keep the Altimeter 203 safe when you’re out and about. Get accurate altitude and barometric readings up to 15,000 feet as you trek through the mountains, valleys, or anywhere else life takes you.

  • Adjustable dial for highly accurate readings
  • Reliable, battery-free design
  • Rugged ABS case keeps altimeter protected
  • Full instruction booklet included
altimeter 203 Altimeter 202 Ascent Altimeter AltiLINQ AltiTilt
Altimeter 203 Altimeter 202 Ascent Altimeter AltiLINQ AltiTilt
Customer Reviews
4.4 out of 5 stars
169
4.3 out of 5 stars
146
3.8 out of 5 stars
22
4.4 out of 5 stars
249
4.2 out of 5 stars
97
Reads Altitude up to 15,000 Feet
Reads Barometric Pressure
Personal Altimeter
Vehicle Altimeter
Leather Case
ABS Plastic Case
Aluminum Case

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Sun Company Altimeter 203 - Battery-Free Altimeter and Barometer | Weather-Trend Indicator with Rugged ABS Case and Lanyard | Reads Altitude from 0 to 15,000 Feet


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
169 global ratings

Customers say

Customers like the performance, accuracy, ease of use, and sturdiness of the weather station. For example, they mention it works well, is easy to calibrate, and is built to last. That said, opinions are mixed on quality and size.

AI-generated from the text of customer reviews

28 customers mention25 positive3 negative

Customers like the performance of the weather station. They mention that it works well, has no problems so far, and is a great device. Some say that it comes in perfect working order and will keep functioning indefinitely.

"...i highly recommend this over any electronic altimeter because it always works and doesn't have all the bells and whistles i didn't need." Read more

"Works fine. Don't overthink the fine markings for accuracy!..." Read more

"The sun 203 altimeter works great! It took a little understand of principles, and be sure and read the enclosed instruction...." Read more

"Really works well. Simple to use. Very accurate" Read more

27 customers mention23 positive4 negative

Customers like the accuracy of the weather station. They mention that it is a precision instrument, easy to calibrate, and consistent. They also say that the barometer looks close to correct.

"absolutely love this altimeter. no batteries all mechanical and very accurate, light weight and easy to read, fits in the palm of your hand...." Read more

"...Sturdy construction-- Seems accurate, as much as a small mechanical altimeter can be..." Read more

"Hey, this unit is clear, easy to use, and darned accurate. We live in the mountains, and got tired of everyone telling us what the altitude was...." Read more

"...The barometer looks close to correct too." Read more

21 customers mention18 positive3 negative

Customers find the weather station easy to use. They say it's intuitive, simple, and clear. Some mention that the altimeter gets easier to read accurately with a quick glance while in full.

"...This Sun unit is much easier to use." Read more

"...no batteries all mechanical and very accurate, light weight and easy to read, fits in the palm of your hand...." Read more

"...and as I become more familiar with the instrument, it gets easier to read accurately with a quick glance while in full stride...." Read more

"Hey, this unit is clear, easy to use, and darned accurate. We live in the mountains, and got tired of everyone telling us what the altitude was...." Read more

16 customers mention16 positive0 negative

Customers are satisfied with the sturdiness of the weather station. Some mention that it's well built, reliable, and accurate. That said, some complain about the high maintenance and difficulty in hacking.

"...Sturdy construction-- Seems accurate, as much as a small mechanical altimeter can be..." Read more

"...The instrument is robustly constructed from a molded polymer that looks like ABS, and it is not petite: It is 2 5/8" wide by 3 1/4" tall by..." Read more

"...devices, is require no-or few specialized batteries, potentially high maintenance, and very difficult to "hack" possibly giving one's location and..." Read more

"It seems priced a bit high but its durable accurate and easy to use.But you must calibrate it and check it against know elevations aoap." Read more

10 customers mention10 positive0 negative

Customers are satisfied with the battery of the weather station. They mention that it is very lightweight, needs no batteries, and is easy to adjust. Some say that the product is battery-free and does not require electronic connectivity.

"...This altimeter is very lightweight, needs no batteries, is easy to adjust, and tells me what I want to know...." Read more

"absolutely love this altimeter. no batteries all mechanical and very accurate, light weight and easy to read, fits in the palm of your hand...." Read more

"...thing about many Analog/purely Mechanical devices, is require no-or few specialized batteries, potentially high maintenance, and very difficult to "..." Read more

"...No batteries to replace.It tracked well with known elevations on our last couple of trips, within 100 ft or so. Good enough...." Read more

6 customers mention6 positive0 negative

Customers appreciate the value of the weather station. They mention it's accurate enough for the price and relatively cheap.

"Accurate enough for the price." Read more

"...Sure, it is relatively cheap, but I would pay three times the price for an item that actually works!" Read more

"...All in all this was worth the money, very happy with it." Read more

"Works great for my minimal needs at a great value. It is somewhat difficult to read the small print and to adjust but it meets my expectations...." Read more

19 customers mention12 positive7 negative

Customers are mixed about the quality of the weather station. Some mention it's a really nice altimeter, good barometer, and first class traditional altimeters at a reasonable price. However, others say that it'd be impossible to calculate differences of altitude of less than about 50 feet, it'll be difficult to keep altitude calibration from shifting, and the instructions are somewhat useless.

"Great little altimeter. Purchased for hiking in Washington's Cascade Range, as my old altimeter had died.-- Sturdy construction--..." Read more

"...What needs to be understood in all this is that the altimeter is not like a digital watch or a calculator...." Read more

"Great complement to the compass for those steampunks who like to keep it analog. With this, a compass, and a map, I never have any trouble." Read more

"This is a good basic altimeter, which has the benefits of being an old-school analog device...." Read more

9 customers mention4 positive5 negative

Customers are mixed about the size of the weather station. Some mention that it works great and is small enough to fit in the palm of an open hand, while others say that it has issues, is larger than they had hoped, and is slightly large for backpacking. The barometric scale is small and difficult to read, and the spacing between 100-foot increments is tiny.

"...problem with this altimeter is that the spacing between 100-foot increments is so tiny that, assuming it is accurate, it is impossible to calculate..." Read more

"...and very accurate, light weight and easy to read, fits in the palm of your hand...." Read more

"...Lightweight for backpacking and climbing, but a bit bulky...." Read more

"...The dial is large enough for me to read while wearing my distant vision glasses, and as I become more familiar with the instrument, it gets easier..." Read more

Top reviews from the United States

Reviewed in the United States on September 1, 2017
24 people found this helpful
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Reviewed in the United States on May 21, 2015
4 people found this helpful
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Reviewed in the United States on July 30, 2015
17 people found this helpful
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Reviewed in the United States on April 21, 2014
143 people found this helpful
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Reviewed in the United States on December 30, 2023
Reviewed in the United States on January 21, 2016

Top reviews from other countries

Francois Gascon
5.0 out of 5 stars Five Stars
Reviewed in Canada on June 5, 2018
Layritz '83
5.0 out of 5 stars how high are we?
Reviewed in Canada on February 1, 2017
Joseph v Boutin
4.0 out of 5 stars owner
Reviewed in Canada on January 16, 2013