The Additel 875 Series Dry Well Calibrators combine excellent stability, radial and axial uniformity, fast heating, durability, and portability. An optional Process Calibrator adds a three-channel thermometer readout and documenting process calibration capabilities. With the unique CYOR (Choose Your Own Range) option, users can select a customized temperature range, and the dry well is calibrated and optimized specifically for that range. All models feature a color touchscreen display, dual-zone control, and many additional advanced features. The 875-155 features temperature control from -40°C to 155°C and a display accuracy of ±0.18°C at Full Range. It can also be purchased with the Additel 110 series short probe calibration kit, designed to help users calibrate temperature probes and transmitters with short probe lengths.