Today we're going to take a look at the TireMinder RV digital dual head tire pressure gage with the interchangeable heads. Now this RV tire gage will offer a plus or minus two psi accuracy with it's high quality all metal construction. The pressure range it'll read is 10 to 150 psi. As I mentioned, it's a plus or minus two psi accuracy. The units of measure it will measure is psi, kPa which is… see more >