Thermo Scientific Lab Multiblock Vial heater Increase lab versatility with the Thermo Scientific compact digital dry baths / block heaters, which offer a wide range of configurations with interchangeable modular blocks for a variety of applications. These heaters are portable and designed with a compact footprint to save valuable bench space. Built-in temperature-sensing probe assists with outstanding temperature accuracy and control. For a complete system, order both a standard or advanced digital controlled heater and the desired heating block modules.