10 - VBOX Speed Sensor Technical Specification

Velocity

	25 Hz	100 Hz
Accuracy	0.1 km/h (averaged over 4 samples)	0.1 km/h (averaged over 4 samples)
Units	km/h, mph, knots	km/h, kph, knots
Update rate	25 Hz	100 Hz
Maximum Velocity	1600 mph	1600 mph
Minimum Velocity	0.1 km/h	0.1 km/h
Resolution	0.01 km/h	0.01 km/h
Latency	58 ms	8.5 ms ±1 or 15.5 ms with fixed CAN latency

Distance

	25 Hz	100 Hz
Accuracy	0.05 % (<50 cm per km)	0.05 % (<50 cm per km)
Units	m / ft	m / ft
Update rate	25 Hz	100 Hz
Resolution	1 cm	1 cm

Absolute Positioning

		25 Hz	100 Hz
Accuracy (Standalone)		TBC	V: 1.8 m; H: 1.2 m*
Accuracy with SBAS		TBC	V: 1.2 m; H: 0.8 m*
Accuracy with DGPS		NA	V: 0.5 m; H: 0.3 m*
Update rate		25 Hz	100 Hz
Resolution		1.8 mm	1.8 mm

* 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.

Heading

	25 Hz	100 Hz
Resolution	0.01°	0.01°
Accuracy	0.1°	0.1°

Acceleration

	25 Hz	100 Hz
Accuracy	0.50 %	0.50 %
Maximum	20 g	20 g
Resolution	0.01 g	0.01 g

Brake stop Accuracy (Trigger Activated)

	25 Hz	100 Hz
Accuracy	±10 cm*	±1.8 cm*

* Based on <50 m brake stop distance

Physical

	25 Hz	100 Hz
Weight	250 g	250 g
Operating temp	-30˚C to +70˚C	-30˚C to +70˚C
Storage temp	-40°C to +85°C	-40°C to +85°C
Size	90 mm x 65 mm x 31.85 mm	140 mm x 92 mm x 31.85 mm
Connectors	Deutsch ASDD Autosport	Deutsch ASDD Autosport
IP rating	IP66	IP66

 

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.

 

RS232 Output
Output Data Rate	Dependent on unit type and mode
Data available	NMEA and RL Serial, dependent on unit type

 

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	7 – 30 V DC
Power	3.7 W Max (except 5 Hz option: 2 W Max)
GPS Antenna	3 V Active Antenna (inc) / 5 V for 100 Hz version
Digital Input	Set Lap beacon Position / Brake Trigger Event
LED	Power, Satellite Count,  Event Out

Velocity

	5 Hz	10 Hz	20 Hz
Accuracy	0.1 km/h	0.1 km/h	0.1 km/h
Units	km/h, mph, kts	km/h, mph, kts	km/h, mph, kts
Update rate	5 Hz	10 Hz	20 Hz
Maximum Velocity	1000 mph	1000 mph	1000 mph
Minimum Velocity	0.01 km/h	0.01 km/h	0.01 km/h
Resolution	0.01 km/h	0.01 km/h	0.01 km/h
Latency	>160 ms	41.5 ms	41.5 ms

Distance

	5 Hz	10 Hz	20 Hz
Accuracy	0.05 % (<50 cm per km)	0.05 % (<50 cm per km)	0.05 % (<50 cm per km)
Units	m / ft	m / ft	m / ft
Update rate	5 Hz	10 Hz	20 Hz
Resolution	1 cm	1 cm	1 cm

Absolute Positioning

		5 Hz	10 Hz	20 Hz
Accuracy		3 m*	3 m*	3 m*
Accuracy with SBAS DGPS – Europe (EGNOS)		<1 m*	<1 m*	<1 m*
Accuracy with SBAS DGPS – USA (WAAS) / ASIA (MSAS)		<1.8 m*	<1.8 m*	<1.8 m*
Accuracy with  BaseStation RTCM DGPS		N/A	40 cm*	40 cm*
Accuracy with BaseStation DGPS + GPS upgrade (RLVBUP30)		N/A	20 cm*	20 cm*
Update rate		5 Hz	10 Hz	20 Hz
Resolution		1.8 cm	1.8 cm	1.8 cm
Height accuracy		10 m*	6 m*	6 m*
Height accuracy with DGPS		N/A	2 m*	2 m*

Time

	5 Hz	10 Hz	20 Hz
Accuracy - Lap Timing (OLED)	0.01 s**	0.01 s**	0.01 s**
Accuracy - Accel / Brake Test (MFD)	0.2 s	0.05 s	0.05 s
Resolution	0.01 s	0.01 s	0.01 s

Heading

	5 Hz	10 Hz	20 Hz
Resolution	0.01°	0.01°	0.01°
Accuracy	0.1°	0.1°	0.1°

Acceleration

	5 Hz	10 Hz	20 Hz
Accuracy	1.00 %	0.50 %	0.50 %
Maximum	4 g	20 g	20 g
Resolution	0.01 g	0.01 g	0.01 g

Brake stop Accuracy (Trigger Activated)

	5 Hz	10 Hz	20 Hz
Accuracy	N/A	±20 cm***	±10 cm***

Physical

	5 Hz	10 Hz	20 Hz
Weight	190 g	250 g	250 g
Operating temp	-30˚C to +70˚C	-30˚C to +70˚C	-30˚C to +70˚C
Storage temp	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C
Size	90 mm x 65 mm x 31.85 mm	90 mm x 65 mm x 31.85 mm	90 mm x 65 mm x 31.85 mm
Connectors	Deutsch ASDD Autosport	Deutsch ASDD Autosport	Deutsch ASDD Autosport
IP rating	IP66	IP66	IP66

 

Definitions

* Circle of Error Probable (CEP): 95 % of the time the position readings will fall within a circle of the stated diameter

** Not using DGPS and crossing the start/finish line at 100 km/h

*** 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.

 

RS232 Output
Output Data Rate	Dependent on unit type and mode
Data available	NMEA* and RL Serial, dependent on unit type (* NMEA output not available on 5 Hz unit)

 

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	7 – 30 V DC
Power	3.7 W Max (except 5 Hz option: 2 W Max)
GPS Antenna	3 V Active Antenna (inc) / 5 V for 100 Hz version
Digital Input	Set Lap beacon Position / Brake Trigger Event
LED	Power, Satellite Count,  Event Out

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

V2

100 Hz Dual Antenna Speed Sensor (V2)

V3/4

100 Hz Dual Antenna Speed Sensor (V3 and V4)