DIY Digital Intermediate Pressure Gauge

I came across these inexpensive digital pressure gauges a while back whilst looking for a mountain biking tyre pressure solution. Along the way I thought it’d be real nice to have a digital intermediate pressure (IP) gauge for scuba regulator servicing and tests.

The gauge reads up to 200psi (with units in metric & imperial), so is an ideal for reading scuba regulator IP. With a M10x1.0 brass thread on the gauge, I simply scavenged an old BC nipple (most are 3/8″ UNF) and tapped both ends into a piece of Delrin bar stock.

For a $6 solution, the gauge appears as accurate as any analogue one that I have (expensive or cheapo), and perhaps more importantly has mush greater resolution. Line creep is immediately identifiable, so no longer will I squint and stare at a little analogue gauge wondering if it’s moving.