Dri-baths can be customized by choosing the modular blocks with well sizes to fit specific applications. Modular blocks sold separately. Aluminum modular blocks provide excellent heat transfer to tube contents to enhance your testing results. All blocks include thermometer well for easily measuring block temperature. Must use Thermolyne modular block. See H1214. Adjustable temperature range with superior temperature control: H1211-1 (±0.1°C to 110°C), H1211-2A (±0.5°C to 115°C) and H1211-3 (±0.5°C to 140°C). Two separate thermostats on the H1211-3 provide low range or high range operation. The low range knob controls temperature settings from 30°C to 80°C. The high range knob controls temperature settings from 70°C to 140°C. Compact design saves valuable counter space. 120V.