Please read this manual thoroughly prior to operating the instrument. Intended Use. The Quidel Digital Heat Block is a controlled temperature heat block the vwr digital heat block is a great choice for uniform heating with 2° c. revision 1 instruction manual analog dry block heaters digital dry block 12621-096 Out of stock · VWR Laboratory Analog Dual Temp 150C Heatblock Heater w/ 96 Well Block Out of stock · Welch Allyn SureTemp Plus 692 Digital Heaters require a VWR mini modular heating block for operation (sold separately) Optional NIST Traceable Calibration Certificate provided by an ISO/IECThe VWR Digital Dual Heat Block, cat# 12621-088 includes: > 2 Modular 50ml Blocks; > Power Cord; > Operator's Manual; > Full 90 Day Parts and Labor Warranty After unpacking, place the Dry Block Heater on a level bench or table, away from explosive vapors. Ensure that the surface on which the unit is. Only VWR Modular Heating Blocks are to be used in the Dry Block Heaters. 1. Select the proper blocks that will be a precise fit for the tubes, plates, or vials