VBOX 3iSL User Guide
Page 41 of 49
01/12/2011
VBOX 3iSL 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
100 Hz
Update rate
100Hz
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**
Latency
6.75ms
Absolute Positioning
Brake Stop Accuracy
Accuracy
3m 95% CEP**
Accuracy
+/- 2cm
Update rate
100 Hz
Resolution
1.8mm
Time
Resolution
0.01 s
Accuracy
0.01 s
Heading
Pitch and Roll Angle
Resolution
0.01
Accuracy
Accuracy
0.1°
<1.0° rms at 0.5m antenna separation
<0.25° rms at 2m antenna separation
Acceleration
Power
Accuracy
0.5%
Input Voltage range
7v-30v DC
Maximum
0.5%
Power
Max 5.5 watts
Resolution
0.01 G
Update rate
100Hz
Environmental and physical
Weight
Approx 900 grammes
Memory
Size
170mm x 121mm x 41mm
Compact Flash
Recording time
Type I
Dependent on flash card
capacity*
Operating temperature
-20
C to +70
C
Storage temperature
-30
C to +80
C
Definitions
Definitions
*Approximately 29Mb per hour used when logging GPS
data at 100Hz
Approx 182Mb per hour total logging 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
