Traditional analogue gauges require a small capillary mechanism where a small pipe expands and unravels under pressure. This in turn drives a mechanical cog to rotate the gauge needle.  This age old technique works quite well especially in large gauges but as this mechanism is manufactured smaller and smaller a tradeoff between accuracy and size becomes the issue.  With very small gauges such as a 27mm x 27mm Mini Gauge it's difficult to make them better than 10% accuracy due to the physical constraints of the mechanical components.

This Portable CO2 Kit allows you to take full advantage of your kegs!

Dispensing a perfectly carbonated brew just got even easier.

Inert Gas Regulator for Disposable Cylinders (N2 - Nitrogen, Ar - Argon, CO2 Compatible with M10 Thread).

High Capacity Disposable Nitrogen (N2) Gas Cylinder - 1.43L - 110Bar.