The Accutire
MS-4021B is part of the
Tire pressure gauges test program at
Consumer Reports. In our lab tests, Tire pressure gauge
models like the MS-4021B are rated on multiple criteria, such as those
listed below.
Accuracy:
Accuracy is based on a comparison of each model against a known calibrated master gauge at various pressures, and at cold, room, and hot temperatures. Cold and hot temperatures simulated storing the gauge in a car in winter and summer temperatures.
Ease of use:
Ease of use is primarily an assessment of pressure readability and how easy is it to take a pressure reading on an inflated tire.
Durability:
Each model was checked for accuracy after a drop test of approximately 30-inches from a table to judge durability.
