Racelogic VBOX II Podręcznik Użytkownika Strona 17

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VBOX II User Guide
Page 17 of 23
Specification
GPS
Velocity
Distance
Accuracy 0.1 Km/h (averaged over 4
samples)
Accuracy 0.05% (<50cm per Km)
Units Km/h or Mph
Units Metres / Feet
Update rate 20 Hz
Update rate 20Hz
Maximum velocity 1000 Mph
Resolution 1cm
Minimum velocity 0.1 Km/h
Height accuracy 6 Metres 95% CEP**
Resolution 0.01 Km/h
Height accuracy with DGPS 2 Metres 95% CEP**
Absolute Positioning
Time
Accuracy 3m 95% CEP**
Resolution 0.01 s
Accuracy with DGPS 1.8m 95% CEP**
Accuracy 0.01 s
Update rate 20 Hz
Resolution 1 cm
Heading
Power
Resolution 0.01°
Input Voltage range 6v-18v DC
Accuracy 0.1°
Current Typically 560mA
Acceleration
Environmental and physical
Accuracy 0.5%
Weight Approx500 grammes
Maximum 20 G
Size 119mm x 128mm x 30mm
Resolution 0.01 G
Operating temperature
-30°C to +60°C
Update rate 20Hz
Storage temperature
-40°C to +80°C
Memory
Definitions
Compact Flash
Recording time
Type I
Dependent on flash card
capacity*
** CEP = Circle of Error Probable
95% CEP (Circle Error Probable) means 95% of the time the position readings will fall
within a circle of the stated diameter
* Approximately 4.3Mb per hour used when logging GPS
data at 20Hz
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