VB2SX User Guide
Page 22 of 28
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
Brake Stop Accuracy
Accuracy
3m 95% CEP**
Accuracy
+/-10cm
Accuracy with DGPS
1.8m 95% CEP**
Update rate
20 Hz
Time
Resolution
1 cm
Resolution
0.01 s
Accuracy
0.01 s
Heading
Power
Resolution
0.01°
Input Voltage range
6v-30v 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
SD/MMC Card
Recording time
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
