TempMatic 4000 Single-Wavelength Sensors with Visual Aiming are used to measure most common materials in general purpose applications. Standard Features: - A wide selection of temperature - ranges and optics - A variety of Spectral response options that include infrared filtering for glass, plastic, and flame insensitivity - Visual Aiming - Optional Laser Aiming - Rugged, corrosion resistant NEMA 4 / IP65 enclosures - Stand alone and system configurations - A wide selection of accessories