Manual for Tire Pressure Monitoring Systems, TPMS
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APPENDIX 1
kPa
Pressure reading in Kilo Pascal
psi
Pressure reading in pound per square inch
bar
Pressure reading in bar
˚C
Temperature reading in degrees Celsius
°F
Temperature reading in degrees Fahrenheit
Inflating Pressure
environment
Recommended inflation pressure of a tire at ambient temperature
of 25˚C / 77
°F by vehicle manufacturers.
Low Pressure Alert
Visual and audible warning, this is activate
d when the tire’s
pressure goes below the preset level. Initial low pressure alert is
27 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 51 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°C.
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.