Our company is engaged in offering a comprehensive range of T18 Series Sensors. These are featured with EZ-BEAM technology, with specially designed optics and electronics for reliable sensing without adjustments on most models, Completely epoxy-encapsulated to provide superior durability, even in harsh sensing environments; QD models rated IP69K, Features T-style plastic housing with 18 mm threaded lens, Uses innovative dual-indicator system to take the guesswork out of monitoring sensor performance, Available in models for ac or dc power and bus network compatible connection, Includes advanced diagnostics to warn of marginal sensing conditions or output overload (dc models).