The PTC Series matches lab features like, a wide temperature range, high accuracy, stability, and speed with our well-known, long lasting quality into a single industrial calibrator. Three models are available, from the basic unit to a full model including signal inputs and external reference sensor. The PTC Series features an active dual zone temperature control which provides excellent temperature homogeneity in the well. -25 to 155°C (-13 to 311°F) Includes Reference Sensor and Sensor Under Test Inputs 115VAC Power Supply Accuracy to ± 0.06°C and Stability to ± 0.01°C Clean Dry block calibrator Time saving fast cooling and heating times (350° in only 7 minutes) “Plug and Play” intelligent reference sensors Easy-to-read color display Intuitive, fast, user-friendly navigation Lightweight and easy to carry Multi-hole insert kits JofraCal Calibration Software Inputs for Thermocouple Calibration