The 2-1/2" dial on these liquid filled vacuum gauges is readable from a considerable distance. The stainless steel case protects against harsh environments and the glycerin filling promotes longer service life because it discourages condensation from forming and obscuring the readout as well as providing lubrication for the moving parts.
2-1/2" Dial Size (Crimped Casing)
Dual Scale - PSI / Bar
Stainless Steel case for protection in harsh environments