Dry pressure gauge 2" Face diameter 0/16 Bar 0-230 PSI 1/4 NPT Size (1/4 NPT size measures .540" on a ruler) Back Mount Suitable for all process gaseous and liquid don't attack copper alloy parts, Pneumatics, Heating, ventilation, air-conditioning Pressure gauge made according UNI EN 837.1 norms - BLACK steel case . - BRASS movement and pivot -BACK cilindrical connection 1/4 bspp (ISO 7/1) - Aluminium dial White background - Black BAR scale and Red PSI one - Accuracy 1,6% Aluminium index Working Temperature -10 +60° C (+ 14 +140° F) Overpressure 15%