Manual for Tire Pressure Monitoring Systems, TPMS
18/20
Appendix
Glossary
kPa Pressure reading in Kilo Pascal
psi Pressure reading in pound per square inch
Bar Pressure reading in bar
℃
Temperature reading in degrees Celsius
℉
Temperature reading in degrees Fahrenheit
Inflating Pressure
environment
Recommended inflation pressure of a tire at ambient temperature
of 25
℃
by vehicle manufacturers.
Low Pressure Alert
Visual and audible warning, this is activated when the tire’s
pressure goes below the preset level. Initial low pressure alert is
26 psi
High Pressure Alert
Visual and audible warning, this is activated when the tire’s
pressure goes higher than the preset level. Initial High pressure
alert is 50 psi
High Temperature Alert
Visual and audible warning, this is activated when the tire’s
temperature goes higher than the preset level. Initial High
temperature alert is 80
℃
.
Display / Receiver
Module
The electronic module mounted inside the vehicle that alerts the
driver of any tire irregularities.
Sensor / Transmitter
Module
The electronic module mounted on the wheels that measure the
air pressure and temperature of the tire.