The measurement range is 0.0 to 300.0 PSI, featuring a circular chart design that is especially suitable for pressure hold testing and long-term monitoring applications. It provides 7-day / 24-hour chart speed switching for recording and analysis as needed. The connection specification is a 1/4” NPT thread with a 5/8” hex design for convenient installation. With an IP66 waterproof and dustproof rating, it can be used in various industrial and outdoor environments.