Measure the tyre pressure with this Carpoint tyre pressure gauge. The tyre pressure gauge has a measuring range of 0.5-3.9 BAR and 0.7 to 55 PSI. Simply place the nozzle on the valve and press firmly on the valve for 1 to 2 seconds. Remove the gauge from the valve and the measured tyre pressure can be read. Then vent the gauge with the vent valve.