Wireless air integration, Suunto D9 allows you to monitor tank pressure and air ... Suunto D9 has three dive modes. The Air mode is used for diving with ... Barometer Altimeter Watch.
www.youtube.com - Review on the 2011 Casio Protrek Pathfinder PRG-240 (Army) watch and its features. Following are some of the features of this Casio Protrek 240 - 1BER watch: -Full-Auto Illuminator Automatically deactivates the Auto EL backlight function when surrounding light is sufficient, and activates it under dim light or dark conditions. - Low-temperature resistant (-10 °C) Even temperatures as low as -10 °C have no effect on this watch. - Solar Power A solar cell provides power for operation. -Duplex LCD Giving you a constant overview: Elements on the display are distinguished from one another using colour. This is achieved using different coloured layers placed on top of one another, allowing information to be displayed more clearly. - Digital-compass A built-in direction sensor detecs the magnetic north. - 10000 m/32000 ft Altimeter A pressure sensor detects changes in the air pressure and converts the result into an altitude up to 10000 m. - Height Gain The height gain sums all the meters you have climbed in a session, so that you can see at a glance the total ascent on a tour. - Sunrise/sunset display After entering the geographical location, sunrise and sunset times can be displayed for any given date. - Barometer (260/1100) A special sensor measures the air pressure (measuring range: 260/1100 hPa) and presents this on the display in the form of a symbol. This enables early detection of weather trends. - Thermometer (-10°C / +60°C) A sensor measures the ...
testing a barometric altimeter with off the shelf Estes motors, electronic recovery ,body tube was blocked so the Estes motors would not eject the chute...I used 3 grams of pyrodex and a 9V battery