12 - Dual Antenna Speed Sensor Technical Specification
Specifications
Velocity |
|
|---|---|
| Accuracy | 0.1 km/h (averaged over 4 samples) |
| Units | km/h or mph |
| Update Rate | 100 Hz |
| Maximum Velocity | 1000 mph |
| Minimum Velocity | 0.1 km/h |
| Resolution | 0.01 km/h |
| Latency | 6.75 ms |
Distance |
|
|---|---|
| Accuracy | 0.05% (>50 cm per km) |
| Units | m / ft |
| Update rate | 100 Hz |
| Resolution | 1 cm |
Time |
|
|---|---|
| Accuracy | 0.01 s |
| Resolution | 0.01 s |
Absolute Positioning |
|
|---|---|
| Accuracy | 3 m (95 % CEP*) |
| Accuracy with SBAS DGPS | >1 m (95 % CEP*) |
| Accuracy with RTCMV2 DGPS | 80 cm (95 % CEP*) |
| Accuracy with RTK DGPS*** | 2 cm (95 % CEP*) |
| Resolution | 1.8 mm |
| Update Rate | 100 Hz |
| Height Accuracy | 6 m (95% CEP*) |
| Height Accuracy with DGPS | 2 m (95% CEP*) |
Acceleration |
|
|---|---|
| Accuracy | 0.5 % |
| Maximum | 20 g |
| Resolution | 0.01 g |
| Update Rate | 100 Hz |
Heading |
|
|---|---|
| Accuracy | 0.1° |
| Resolution | 0.01° |
Brake Stop Accuracy (Trigger activated) |
|
|---|---|
| Accuracy | +/- 1.8 cm** |
Note: Channels highlighted in Blue are for SL series units only.
Slip Angle Accuracies |
Pitch and Roll Angle Accuracies |
||
|---|---|---|---|
| <0.2° rms at 0.5m antenna separation | <0.14° rms at 0.5m antenna separation | ||
| <0.1° rms at 1.0m antenna separation | <0.07° rms at 1.0m antenna separation | ||
| <0.05° rms at 2.0m antenna separation | <0.035° rms at 2.0m antenna separation | ||
| <0.04° rms at 2.5m antenna separation | <0.028° rms at 2.5m antenna separation |
Definitions
* Circle of Error Probable (CEP): 95 % of the time the position readings will fall within a circle of the stated diameter
** Based on <50 m brake stop distance
CAN Output |
|||
|---|---|---|---|
| Output data rate | 125 kbit/s, 250 kbit/s, 500 kbit/s and 1 Mbit/s selectable baud rate. Software controlled CAN termination. | ||
| Data available | Position, vehicle speed, heading, lateral acceleration, longitudinal acceleration, satellite count, time, radius of turn, altitude, Distance from Trigger, Trigger Time, Trigger Velocity, True Heading. Slip angle, Yaw rate, Pitch/Roll angle, Longitudinal and Lateral Velocity | ||
RS232 Output |
|
|---|---|
| Output data rate | Up to 100 Hz |
| Data available | NMEA or RL Serial |
Analogue |
|
|---|---|
| Output data rate | 0 – 5 V DC |
| Data available | Either Speed, Lateral Acceleration, Longitudinal Acceleration, or Lap Beacon |
Digital |
|
|---|---|
| Output data rate | Low = 0 V, High = 5 V, Max. frequency 4.4 kHz |
| Data available | Speed or Lap Beacon |
Inputs |
|
|---|---|
| Input Voltage range | 1st Gen = 6.5 – 30 VDC / 2nd Gen = 7 – 30 V DC |
| Power | 3.7 W (maximum) |
| GPS Antenna | 5 V Active Antenna (inc) |
| Digital Input | Cold Start Activate / Set Lap beacon Position |
| LED | Power, Satellite Count, Event Out |
Environmental and physical |
|
|---|---|
| Weight | Approx 250 g |
| Size | 140 mm x 92 mm x 31.85 mm |
| Operating Temperature | -30°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Connectors | Deutsch ASDD Autosport; Rated IP66 |
Dimensions
V2
100 Hz Dual Antenna Speed Sensor (V2)
V3/4
100 Hz Dual Antenna Speed Sensor (V3 and V4)