The ruggedness of this sensor has not compromised its performance. It was designed for ease of installation and will operate properly in any medium compatible with 15-5 SS or SiO2. Coupled with high temperature, its Patented Leadless construction makes it possible for the sensing unit to be installed in such a way that will not compromise its high natural frequency.Easy Installation High Natural Frequency Patented Leadless Technology Operational Mode: Absolute, Gauged, Sealed Gauge, Differential Operating Temperature Range: -55°C to 273°C Resolution: Infintisemal Output Impedance: 1000 OHMS Rated Electrical Excitation: 10V DC/AC