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AltimeterTwo electronic altimeter

Get all the information of your rocket flight.
Very small, self contained altimeter for model rocketry. It is small enough to fit in most rockets, and it provides 10 key flight measures on a display.

€103.95
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Get full data from your rocket flight!

The AltimeterTwo measures altitude but also the speed of your rocket, and 8 more important data. And displays them on an easy to read screen.

Only one button is needed to power on/off and to read data. You just have to turn it on, zero it out by keeping the button depressed, attach it to the rocket and launch. When it's back, the speed and altitude reached is displayed on a screen, in easy to read digits.

This makes it an ideal device for experiments, student projects, competitions or just to get information about your flight, maybe to fine tune your rocket.

Altitude and speed are just two of the information given. The AltimeterTwo records also the burn time, the acceleration (peak and average), the total coast time, time from apogee to ejection, altitude at ejection, average descent rate of the recovery device, and total flight duration, from lift-off to landing. This is extremely useful to choose the motor delay, the parachute size and to adjust your rocket design.

Its 3-axis accelerometer allows it to get the speed and other events like burnout or ejection.

The AltimeterTwo comes pre-charged, you do not need to charge it the first time you turn it on.

Features:

  • 10 different flight data measured and displayed.
  • Informations are easy to read on a display. No beeps or flashes to count.
  • Easy to use, one button for all functions.
  • Temperature compensated for exact altitude measurement.
  • No need for an electronic bay. Its rugged case withstands a lot of abuse and when tied to the nosecone it is protected by the parachute itself and the wadding or Nomex protector.
  • Small and lightweight, only 10 grams. Fits any rocket from 24 mm up.
  • 3-axis, 24g accelerometer.
  • Rechargeable Lithium-Polymer battery included, no batteries to buy.
  • Recharges from any standard USB port, from your PC or your cell phone charger.
  • Flight data stored on flash memory (only the last flight is stored).
  • Automatically powers down to save power.
  • Rugged fiberglass and ABS construction

At power on, the AltimeterTWO automatically scrolls through the last flight data:

  • Battery level - Percentage of a full battery charge.
  • Peak altitude - Highest point in the flight (absolute)
  • Top speed - Highest speed reached, usually at burnout.
  • Thrust duration time – Duration of acceleration, produced by motor thrust.
  • Peak acceleration – Highest acceleration in Gs
  • Average acceleration – Average acceleration in Gs during the whole flight.
  • Coast to apogee time – Time in seconds from burnout to apogee. Useful to calibrate the motor delay.
  • Apogee to ejection time – If the ejection occurs after apogee (rocket already descending) take this time off from your delay. With a negative figure add that time to your delay.
  • Ejection Altitude – Height at ejection (meters or feet).
  • Descent Speed – Average calculated descent speed.
  • Flight Duration – Duration from start to landing.

Ranges:

Altitude to 9000 m ASL.
Supersonic speed measurements.
Max acceleration: 23G, up to 40G if carefully mounted

Display accuracy:

Altitude: nearest foot or nearest meter.
Speed: nearest 1 Km/h (or 1 MPH)
Acceleration: nearest 0.1G

Sensor Precision:

Barometric pressure 25 samples/second with 18 bits precision.
Acceleration sampled 250 times/second on all three axis at the same time with 15 bits precision

NOTE:
The AltimeterTWO will NOT work in model airplanes, kites, falconry or balloons.
Data cannot be transferred to a computer. The cable included cord is for battery charging only.

Data sheet

Length
49 mm
Weight
9,9 gr
Width
18 mm
Thickness
14,5 mm
Device type
Altimeter

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