| An air pressure gauge is an automotive device used | | | | inaccurate. |
| to measure the air pressure inside a vehicle's tires. All | | | | For the best quality, go for a digital tire pressure |
| vehicle manufacturers have a recommended pressure | | | | gauge. As the name suggests, these type of air |
| setting at which the vehicle performs optimally. If | | | | gauges work on digital principles and thus, are very |
| you maintain the right air pressure inside your tire, | | | | accurate, with the error range in some models being |
| you will help improve the vehicle's fuel efficiency and | | | | as low as +-0.05 psi over a range of 5-150 psi. When |
| performance, as well as the life span of your tires. | | | | the device is placed against the tire valve, the |
| There is a lot of choice when it comes to buying an | | | | correct psi reading is displayed on an LCD screen. For |
| air pressure gauge. Prices for these devices can | | | | true professionals, or those who care about their |
| range anywhere from $5 to $100, so you must do | | | | vehicles or tires, these digital air gauges are the way |
| your research before setting off to buy one. | | | | to go. |
| The most inexpensive air pressure gauge is the | | | | If you want to go for even more convenience, |
| pencil-type tire pressure gauge. These are very easy | | | | choose a gauge that will read the pressure even as |
| to use and consist of a stick core that is printed like | | | | you adjust it. Such a gauge can be connected to the |
| a ruler, giving away the psi (pounds per square inch) | | | | air compressor valve and the tire valve |
| measurement when it is attached to the valve of the | | | | simultaneously and will help you save a ton of time. |
| tire. These, however, tend to be fairly inaccurate and | | | | Highly recommended for professionals or auto |
| are not recommended unless you are really short of | | | | enthusiasts. |
| money. | | | | An air pressure gauge is an essential device in a |
| The most common air pressure gauge is the dial-type | | | | vehicle owner's tool box. These fairly cheap tools can |
| gauge. These incorporate a round dial with a needle. | | | | help you improve your vehicle's performance and fuel |
| When placed against a tire valve, the needle moves | | | | efficiency, while saving you money by increasing your |
| to indicate the psi level. This, like the above device, | | | | tire's life span. |
| work on analog principles and thus, are fairly | | | | |