Finally, a standardized threshold test that works! Based upon over two decades of research at the University of Pennsylvania, The Smell Threshold Test™ provides an affordable, practical, and reliable detection threshold measure you can count on! Norms based upon hundreds of subjects; 75%, 95%, and 99% confidence intervals provided for each decade of age. The Smell Threshold Test™ is a compact, portable smell testing kit housed in an attractive aluminum carrying case that can serve as a test table. The entire kit weighs less than six pounds (2.72 kg). Odorants are contained within a proprietary absorbent, eliminating liquid stimuli. Ergonomically-designed stimulus bottles provide consistent output. Built-in thermometer and calculator ensure maintenance of optimal testing conditions and accurate determination of threshold values. The pure CN I stimulant phenyl ethyl alcohol is provided in 17 half-log concentration steps ranging from -10 log vol/vol to -2 log vol/vol. Can be used to test 50 subjects before new refills are needed. Hundreds of industrial, academic, and clinical applications. Convenient response forms and manual included.