SANSEL Model TCAL 1401 / -30 Dry well Temperature calibrator are high performance for industrial atmosphere and covers temperature range from -30* to 100°C. These are ideally suited for onsite calibration of thermocouples, RTDs, Indicators with sensors & 4-20mA signal transmitters with indicators in Food, pharmaceuticals, and all types of process industries. It has the advantage of being user-friendly, lightweight, portable, fast settling, better uniformity, and accuracy over a wide temperature range. TCAL 1401 / -30 has interchangeable inserts to suit for calibration of different diameters of sensors (up to 22mm). Additional Inserts (optional) with special drillings are available to order.