Thermotubes Block Heater. This innovative device is compact dry block heater which can be used as small scale substitute for the traditional water bath, offering several advantages:• Waterless safe and portable • Six test tubes warmed or cooled between 15 °C and 65 °C • Accepts 16 mm diameter test tubes • Digital display for set point and actual temperature • Safe to use operates at low voltage • Power supply: 12 AC/DC adapter • Dimensions: (L W D) 175 110 105mm
