The Quick Cal hand-held temperature calibrator, available in low- or high-temperature models, is used for verification of sensor performance or quick calibrations for less-exacting applications. The low-temperature version has a range of -15° to 140°C, and two calibration wells. The high-temperature unit has a range of 30° to 350° and a single well. Accuracy is 0.4° to 0.1° using comparison techniques. The unit weighs 3.3 lb. TTI, Inc., P.O. Box 1073, Williston, VT 05495; 800-235-8367; 802-863-0085; 802-863-1193 (fax); (e-mail); (Web site).