Technical Specifications
This page contains the technical specifications for VBOX 100 Hz Speed Sensor (v5) units.
GNSS Specifications
Velocity |
|||
|---|---|---|---|
| Accuracy | 0.1 km/h (averaged over 4 samples) | ||
| Update rate | 100 Hz | ||
| Maximum velocity | 1200 mph | ||
| Minimum velocity | 0.1 km/h | ||
| Resolution | 0.01 km/h | ||
| Latency | 20 ms (fixed) | ||
Absolute Positioning |
|||
|---|---|---|---|
| Accuracy* with RTK | V: 10 mm; H: 5 mm | ||
| Accuracy* Standalone | V: 1.8 m; H: 1.2 m | ||
| Accuracy* with SBAS | V: 1.2 m; H: 0.8 m | ||
| Accuracy* with DGPS | V: 0.5 m; H: 0.3 m | ||
| Update rate | 100 Hz | ||
| Resolution | 1.8 mm | ||
Distance |
|||
|---|---|---|---|
| Accuracy | 0.05% (< 50 cm per km) | ||
| Units | metres/feet | ||
| Update rate | 100 Hz | ||
| Resolution | 1 cm | ||
Acceleration |
|||
|---|---|---|---|
| Accuracy | 0.50 % | ||
| Maximum | 20 g | ||
| Resolution | 0.01 g | ||
| Update rate | 100 Hz | ||
Heading |
|||
|---|---|---|---|
| Resolution | 0.01° | ||
| Accuracy | 0.1° | ||
Time |
|||
|---|---|---|---|
| Resolution | 0.01 s | ||
| Accuracy | 0.01 s | ||
Brake Distance Accuracy |
|||
|---|---|---|---|
| Accuracy | ± 1.8 cm** | ||
Definitions
* Specifications will vary depending on the number of satellites used, obstructions, satellite geometry (PDOP), multipath effects, and atmospheric conditions. For maximum system accuracy, always follow best practices for GNSS data collection.
** Based on a trigger stop distance of < 50 m.
Supported GNSS Signals |
|||
|---|---|---|---|
| GPS | L1 and L2 | ||
| GLONASS | G1 and G2 | ||
Outputs
CAN Bus |
|||||
|---|---|---|---|---|---|
| Output data rate |
Selectable baud rate:
Software controlled CAN termination. |
||||
| Data available |
Outputs: Satellite count, time, position, speed, course over ground, heading, vertical velocity, longitudinal acceleration, lateral acceleration, distance, DGPS status Results: Trigger event time, trigger speed, start speed, end speed, deceleration test time, lap time, split time, radius of turn. |
||||
RS232 Output |
|||
|---|---|---|---|
| Output data rate | Up to 100 Hz | ||
| Data available |
|
||
Ethernet Output |
|||
|---|---|---|---|
| Output data rate | 100 Hz | ||
| Data available | As per CAN data | ||
Digital Output |
|||
|---|---|---|---|
| Signal levels |
Low = 0 V, High = 5 V. Max frequency 4.4 kHz |
||
| Output type | Speed or Lap Beacon | ||
GNSS Antenna Supply |
|||
|---|---|---|---|
| Supply voltage | 5 V DC | ||
Inputs
Input Power |
|||
|---|---|---|---|
| Input voltage range | 7.5 to 30 V DC | ||
| Power | 7.5 W (max) | ||
Digital Input |
|||
|---|---|---|---|
| Input function | Brake event trigger/track marker | ||
RS232 Input |
|||
|---|---|---|---|
|
Input function |
|
||
Environmental and Physical
| Weight | 480 g (approximate) | ||
| Size (including connector) | 139.21 mm x 78.5 mm x 38 mm | ||
| Operating temperature | - 20 °C to + 70 °C | ||
| Storage temperature | - 40 °C to + 85 °C | ||
| IP rating | IP67 |