: the tire pressure monitoring system VS racing

Wrong tire choice, slow leakage not detected before a race, bad pressure settings are as many failures that can make you lose a race and affect your security.

The system consists of battery powered wheel mounted unit sensors (WUS). It send pressure and temperature data of each wheel via radio frequency to a compact Receiver Control Unit (RCU) placed within the car and connected to the main acquisition module by CAN or Analogic outputs. Sampling rates increase automatically when a change in acceleration is detected.
The RCU recognizes automatically, after an initial phase of learning on the software supplied with the system, the wheel which was changed. The system can be switched off thanks to the LF Trigger to preserve battery life duration.

• RF / LF Technology
• 1Hz transmission rate (see sensor specification for more details)
• Automatic wheel detection after an initial localisation
• High temperature resistant battery
• Simple and robut materials

was designed to help you win in efficiency and measurement accuracy.
By its fast and simple installation and configuration, TIRE WATCH as well for long-distance races as for sprints or rally raid.

• Accurate pressure and temperature data for all tires allowing the team to optimise vehicule handling and tire wear.
• Real time information if a slow leakage or a puncture is detected thanks to the vehicle telemetry system or thanks to the display fixed within the cockpit.
• Adjustable pressure and temperature thresholds
• Unique code that ensures secure transmission (your sensors cannot be seen by other teams and you are not able to see other sensors than yours).
• Compatible with hard centrifugal stress and harsh environment

The wheel unit sensors are equiped with a pressure sensor, a temperature sensor and an accelerometer. Transmission starts automatically when a change in acceleration is detected. The transmission rate varies according to the mode described below :

* sleeping mode : vehicle at storp - no transmission
* paddock mode : vehicle at stop - sensor woke up by LF trigger - transmission every 20 seconds
* driving mode : vehicule en mouvement - transmission every seconds

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The RCU receives and sends the data transmitted by the sensors (real time transmission) to the car acquisition module via CAN or analogue output.
The Team programs the idenfying code of each sensors (up to 64) in the receiver thanks to a software interface and define its final location on the bike. The RCU will then detect automatically a tire change and log the correct wheel values.

During the race, the team is informed in real time of each tire  pressure and temperature status thanks to the car telemetry system. After the race, the acquisition engineer will download the data through its main datalogger software and analyse tire behaviour to optimize pressure settings and driving.

Easy fitting and configurating system
Suitable with all data logger manufacturer

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The display gives to the mechanic guy the real time pressure and temperature of the 4 wheels mounted in the car.

This display will make easier the tires pressure picking up by having the real time information on the display as soon as the vehicle comes back in the paddock (no manual action on the valve).

The display can also been installed in the cockpit to inform the pilot at an early stage of any tire damages so he can return to the paddock before arriving to a critical situation.
Furthermore, as all values are shown on the permanently backlit display, the driver is able to immediately see the condition of the newly mounted tires after the pitstop. This way the driver gets the confidence he needs to drive the car on a high level.

Eliminate manual checking on each valves
Real time information for the Pilot

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Slow leakage or puncture early stage detection in the pit area and in the heating tent to avoid mounting a damage tire on the car.

The pressure and temperature data are centralized on a dedicated labtop so the tireman will not have to open the tents (loss of temperature) in order to manually take the measurement.

Slow leakage or puncture early stage detection
Eliminate manual control on the valve

Download product specification

The LF Trigger is a diagnostic tool that gives you a reliable and fast reading for each tire :
- sensor ID number
- pressure and temperature
- sensor battery status
The LF Trigger allows a communication with the WUS by sending LF (Low Frequency commands. The WUS answers by sending interpretable RF frames.The electronic is integrated into a resisting plastic case protected by a shockproof membrane.

Easy checking (Wireless Technology) of Tire Pressure, Temperature & Battery status
Fitting Testing / Quality Control before setting the tire on the car