The Orange Research 1201-S1007 Differential Pressure Gauge is a tool used in the field of hydraulics and pneumatics to measure the difference in pressure between two points in a system. This gauge is designed to provide accurate and reliable readings, making it an essential tool for troubleshooting and monitoring pressure levels in various industrial and business settings. With its compact size and easy-to-read display, the Orange Research 1201-S1007 Differential Pressure Gauge is a versatile tool for professionals in the hydraulics and pneumatics industry.