Electrical
Input voltage
7-30 VDC
Current Consumption*
@13.8V: 40 mA (full backlight)/25 mA (no backlight)
Display Update Speed
Approx. 10 Hz
Physical
PCB Width
80.5mm (3.17 in)
PCB Height
51mm (2.01 in)
Weight (including PCB, LCD, buttons; no case)*
87g (~3 oz)
Aeronautical**
Max. Airspeed (as implemented)
177 km/h (111 mph)
Max. Airspeed (hardware limit)
296 km/h (185 mph)
Airspeed Resolution***
1 mph (>= 9 mph) or 1 km/h (>= 24 km/h)
Altitude Range
-500 m to +9000 m (-1640 ft to +29,520 ft) ASL
Altitude Resolution
1 ft or 1 m
VSI Resolution
1 fpm or .1 m/s
* Varies with configuration.
** All aeronautical ranges are theoretical, and have not been
confirmed.
*** Speed readings are imprecise at low speeds due to the exponential
nature of ram-air based pressure readings.