Raptor Supplies offers a wide range of Dwyer Instruments pressure, temperature and humidity measuring accessories, such as LCD screens, remote displaying tools, transmitters, enclosures & zener barriers. These units feature lightweight aluminium construction with NEMA 4X rated protection for compatibility in both indoor & outdoor environments. The brand's zener barriers limit the amount of energy passing through hazardous areas and inhibit ignition in flammable atmospheres. They alsoelectrically isolate the pressure and temperature transmitters from unmonitored circuits for an intrinsically safe operation.