HB-1 and HB-2 is the controlled temperature heating device up to 200℃ with +/- 1℃ accuracy fulfill daily laboratory needs. Wide range blocks are supplied to satisfy various applications, built-in temperature sensor requests no need of external temperature probe, OFFSET function is designed for temperature calibration. Furthermore it’s also incorporated the functions of ℃/℉ selectable, over heat protection, timer, temperature display by LED, which make the unit is suitable for restriction digestion, nucleic acids & proteins denature, hot start PCR, enzyme reaction, melting agar, immunoassays, and COD reaction.