Thermolyne^® micro hotplate 

Contains a demand-type thermostat offering a wide selection of temperature settings from ambient to 371±5 °C. Automatically adjusts for ambient temperature and line-voltage fluctuations. Heating elements bring cast aluminum top plate (41/2 in. diam.) to 260 °C in 41/2 min and to the max. 371 °C in 71/2 min. Perforated SS case allows air circulation around components. 33/4 in. H, 13/4 lb. Includes 3-wire cord, plug, and dovetail socket.

Thermolyne is a registered trademark of Barnstead/Thermolyne Corp.