Feature |
TIRE PRESSURE LED |
DIGITAL TIRE PRESSURE MONITORS – DASHBOARD MOUNTED |
|
RRP/SRP |
Starts at $39.95 for a pack of 4 |
Starts at $475 |
|
SUSCEPTIBILITY OF WHEEL COMPONENTS TO DAMAGE DURING INSTALLATION AND REMOVAL |
None |
Yes, especially when tires are mounted on or taken off the rim |
|
Need for an independent power source |
No. Battery is integrated in valve cap |
Yes |
|
Indication when battery has run out |
Yes. It can be checked easily by taking the cap off to ascertain if the cap still flashes |
Not usually equipped with low battery warning indicator |
|
Ability to detect loss of air pressure if all four tyres lose pressure |
Yes |
No |
|
ABILITY TO DETECT LOSS OF AIR PRESSURE IF TWO TIRES ON THE SAME SIDE LOSE PRESSURE |
Yes |
No |
|
ABILITY TO DETECT LOSS OF AIR PRESSURE IF TWO TIRES ON THE SAME AXLE LOSE PRESSURE |
Yes |
No |
|
Ability to detect under-inflated tyre while vehicle is stationary |
Yes |
No |
|
Susceptible to giving false indications of a significantly under-inflated tyre |
No |
Yes, if the vehicle is being driven on bumpy roads or at high speeds (70mph) or if it has mismatched tyres or a tyre out of balance or alignment |
|
Needs substantial time to calibrate |
No |
Yes |
|
Needs several minutes to warn of a significantly under-inflated tyre |
No |
Yes |
|
Vehicle redesign / rewiring required |
No |
Yes |
|
Universal for different psi levels |
Yes |
Yes |
|
Cost of replacing device and recalibration on replacement tyres |
Low |
High |
|
Pressure detection range |
10 – 160 psi |
10 – 150 psi |
