I bought one of these 0-30 PSI gauges and 15 0-60 PSI gauges from another brand. To test this gauge I used a lab gauge with an accuracy of +/- 0.1psi. Customs service. Here are my results. They list it as 0-30. That is not right. 2 psi is the first line.
WYNNsky Heavy Duty Dual Head Tire Inflator Gauge With 12 Inch Air Hose,Tire Pressure Gauge With Storage Case
32 Review
Tonometer B.Well PRO-39
23 Review
Measure Your Tire Pressure With Precision: FOVAL'S Digital Tire Pressure Gauge For Cars At 150 PSI
35 Review
Kumho Ecsta PS31 225/45 R17 94W summer
22 Review