The Type 9671X and Type 9681X are compact pressure switches developed by Barksdale. They are suitable for vacuum and pressure control in hazardous location. These units are constructed with elastomere diaphragm/piston, 1 switching contact, and 2.0% f. s. accuracy class. They can also be adjusted through the adjustment wheel. These products are also built with ATEX, Ex ia, Ex d, UL, and CSA approvals. These switches can be used in applications such as process industry, petrochemical plants, machine tool industry, and compressors.