Fiber Optic Pressure Sensor FOP-M description The FOP-M is a fiber optic pressure sensor designed mainly for applications where high temperature conditions can be found such as in aerospace and defense.It is also a useful tool for general industrial applications in harsh and hazardous environments Fiber Optic Pressure Sensor FOP-M Specification: Pressure range: 0-5, 0-50, 0-150 and 0-1,000psi Resolution: