Product details:

30392080, HB2DG Advanced Dry Block Heater, 2 Block, Digital Multi-purpose Dry Block Heaters are ideal for applications that require temperature stability. The close tube-to-block contact enables maximum heat retention, resulting in efficient heating. High-wattage, constant-temp. analog models are an economical option, while digital models offer exceptional temp. uniformity & stability for applications that require repeatable results. Units hold optional interchangeable modular blocks with over 40 options. Applications Incubation & Activation of Cultures, Enzyme Reactions, Immunoassays, Melting/Boiling Points, Isothermal Incubations, Nucleic Acid Denaturation Display LED display (digital models) and dual-adjustment knobs with dial markings (analog models) Operation Detachable 3-wire cord and plug (included), analog models require an external thermometer or temperature device for temperature setpoint Communication N/A Construction Painted steel housing, support rod holder with locking knob Design Features Touchpad control and audible alarm (digital models)