AltimeterOne is a rechargeable digital altimeter with a clear, sunlight-readable LCD display. Its tiny size and rugged construction have helped to propel its use beyond model rockets and planes to kites, quadcopters, falconry, and other sports and activities.

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SKU: JL-A1 Category:

Product Description


  • Highly accurate 19-bit barometric pressure sensor can detect altitude changes of less than one foot
  • Sunlight-readable LCD display displays maximum flight altitude
  • History feature stores last 100 flights
  • Advanced rechargeable Lithium Polymer battery
  • Recharges in less than 2 hours from any standard USB port (cable included)
  • Highly accurate pressure sampling 25 times/second
  • Power button turns device ON/OFF and RESETs the display between flights
  • Automatically powers down to conserve power
  • Handy tether point allows secure attachment, or independent streamer recovery
  • Rugged ABS construction to survive crashes
  • “Realtime Altitude Mode” displays current altitude in real-time
  • Replaceable parts include battery, LCD, and case

Here are some of the more interesting ways in which AltimeterOne has been used:

» Tethered to the leg of a hunting falcon
» As an on-screen altitude display in RC planes
» In science projects (click here for one example)
» In world-record attempts for high altitude kite-flying

The Jolly Logic AltimeterOne has been approved by the National Association of Rocketry for use in rocketry competitions.



English Units
Metric Units
0.57″ x 0.71″ x 1.93″
14.5mm x 18mm x 49mm
0.36 ounces
9.9 grams
Max Altitude
29,500 feet above sea level
9000 meters

Nearest foot

Nearest meter


How to Use AltimeterOne

Here’s a quick video demonstrating how to prepare AltimeterOne for each flight (“Launch”), as well as how to review previous flights (“History”).


AltimeterOne User Guide


AltimeterOne User Guide (Pre-2014 version)

As Packaged

Weight 2.1 oz
Dimensions 8 × 5 × 0.5 in

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