Review on 📏 Slime 2016-A Dual-Head Pencil Tire Gauge - Includes Bonus Valve Extensions, Measures 10-120 PSI by Michael Dixon

Unofficial tests show that it can at least compete with an expensive digital display. It also reads the same as the much older dual-head sensor I've had for years. The old sensor is much heavier and I have always found it very accurate. Three gauges and all read the same thing within a pound. I either have three very good manometers or three bad ones!