Grant QBD and QBH Dry Block Heaters

A versatile general purpose system with two removable/interchangeable blocks and a comprehensive specification to suit most dry block heating applications in the laboratory.

The outstanding performance of the QBD/QBH series is based on advanced digital temperature control combined with high quality, precision-engineered blocks providing excellent thermal contact. The result is accurate, reproducible and safe heating of your samples.

QBD Digital block heaters

• Ambient +5° to 130°C operation 
• Stability @37°C ±0.1°C
• Uniformity @37°C within block ±0.1°C
• Clear digital display – easy to read from a distance for instant reassurance
• Convenient timer facility, with audible buzzer, for reaction timing and function timing, e.g. delayed heater switch-on/turn-off
• Function timer for delay of heater start up or switch off
• Off-set adjustment for higher accuracy
• Two point user recalibration
• Overtemperature protection by thermal fuse
• Variable high/low temperature alarms
• Block extraction tool included
• Options include blocks for 0.2 ml tubes, strips and 96-well microtitre plates used in molecular biology and biotechnology applications (QBD2 & QBH2 only)
• Optional safety cover – protects samples from contamination and users from accidental contact with hot blocks

QBH2 Digital block heaters (high performance) 

Additional functionality QBH2 only

• Ambient +5° to 200°C operation
• Front panel programming interface non LED
• Adjustable over-temperature cut-out
• Accepts 2 interchangeable blocks
• Three programmable temperature/time segments plus end-of program segments (QBH2 only)

Warranty

• 36 month manufacturers warranty