REOTEMP’s Series PI45 process gauge is designed to withstand corrosive atmospheres and media, ideal for panel builders in the heavy-industrial markets. The hinge-front case allows for easy access to the gauge dial while still panel mounted. All Stainless Steel Internal Parts Internal Overload and Underload Stops Micro-Adjustable Pointer with Floating Zero Hinge-front Case for Easy Recalibration ASME B40.100 Design NACE MR-0175 and MR-0103 Compliant