QB Digital 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.
QB Digital 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.
Temperature range ambient +5ºC to 130ºC, with rapid heat-up time
Stability: ±0.1ºC
Uniformity: ±0.1ºC
Digital temperature control for optimal precision
Range of convenient features including alarms, single and dual point calibration, programmed start/stop, ‘offset’ for known sample temperature variation and choice of external or internal probes
External probe available for accurate in-sample or in-block temperature control
Includes block removal tool for easy and safe removal of blocks.
Applications:
A source of precision temperature control for general, routing applications and sensitive analytical procedures including enzyme digestions, enzyme activity studies and nucleid acid hybridisations.
Specifications
High power heater for fast heat-up – 25ºC to 100ºC in only 15 minutes.
Simple-to-use rotor plus two keys provide access to the interactive interface for fast, accurate set-up and use
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
Wide range of interchangeable blocks enables you to mix and match sample tubes as desired – extraction tool supplied as standard for easy and safe removal of blocks.
Optional safety cover – protects samples from contamination and users from accidental contact with hot blocks
Overtemperature cut-out protects your samples and your workplace
High quality, robust construction in streamlined coolwall aluminium and chemical-resistant plastic – durable in demanding environments
Compact footprint to optimise use of benchspace
Options include blocks for 0.2 ml tubes, strips and 96-well microtitre plates used in molecular biology and biotechnology applications (QBD2 & QBH2 only)
Three programmable temperature/time segments plus end-of program segments (QBH2 only)
QBD1
QBD2
QBD4
QBH2
Dimensions in mm (h x d x w)
120 x 240 x 200
120 x 285 x 200
120 x 390 x 200
120 x 295 x 200
Temperature range @37°C
Ambient +5 to 130°C
Ambient +5 to 130°C
Ambient +5 to 130°C
Ambient +5 to 200°C
Stability @37°C
0.1±ºC
0.1±ºC
0.1±ºC
0.1±ºC
Uniformity within the block @37°C
0.1±ºC
0.1±ºC
0.1±ºC
0.1±ºC
Uniformity of similar blocks @37°C
0.2±ºC
0.2±ºC
0.2±ºC
0.2±ºC
Temperature display
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•
•
•
Display resolution
0.1°C
0.1°C
0.1°C
0.1°C
Heat up time 25ºC to 100ºC
20 minutes
20 minutes
20 minutes
15 minutes
3 programmable temp/time segments
–
–
–
•
Reaction timer, with audible buzzer
1 to 999 minutes
1 to 999 minutes
1 to 999 minutes
1 to 999 minutes
Delay of heater start-up/switch-off
Up to 72 hours
Up to 72 hours
Up to 72 hours
Up to 72 hours
Off-set adjustment
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•
•
•
Two-point calibration of internal and external probes
