Dri-Block Heaters
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Download the DB2A Dri-block manual (538kb pdf)
Download the DB2D & DB3D Dri-block manual (376kb pdf)
Download the DB3A Dri-block manual (336kb pdf)
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• Two separate temperature ranges; up to 200°C
• Strong attractive aluminum/engineered plastic housing
• Wide range of interchangeable insert blocks to accommodate a variety of tubes
• Insert blocks for micro-centrifuge tubes and 96 well plates
• Zero voltage switching, all solid state control
• Insert block removal/extraction tool
• Models available with LED display, analogue or preset temperature setting

Techne® Dri-Block® heaters are the economical answer to every laboratory's need for a compact constant temperature heater suitable for test tubes, cuvettes, micro-centrifuge tubes, 96 well plates and other small containers. Dri-Blocks are particularly suitable for microbiology and clinical laboratories for incubation, boiling, inactivation, wet ashing, sample concentration, enzyme analysis and other general uses. They are also used for a variety of industrial applications. The heat transfer medium is an aluminum alloy block with machined cavities to accept test tubes or sample containers.

Dri-Block ® heater units have a recessed chamber to hold up to two interchangeable insert blocks (in the DB-2A, DB-2D - or one aluminum insert block and two plastic spacers). Three in the DB-3, DB-3A and DB-3D. The blocks are made of an aluminum alloy with excellent thermal conductivity and are drilled with a choice of different hole sizes for tubes and containers ranging from 6mm to 26mm diameter.

Other blocks are available, including three for 0.5ml, 1.5ml or 2.0ml micro-centrifuge tubes and two alternative sizes undrilled for customers who wish to machine their own requirements. Each aluminum alloy insert block has a threaded thermometer hole which also accepts the insert block extraction tool for ease of removing insert blocks from the heated chamber (not applicable to insert blocks reference F4467, F4468, F4469).

A close fit of the tubes in the block ensures high heat transference to the tube and the heater design, temperature sensor and solid state circuitry give exceptionally good temperature control uniformity.

Temperature setting on the DB-2A, DB-3 and DB-3A is by a dial calibrated in degrees centigrade. Heat up rate on all units is rapid.

Independent lights indicate mains power, heater action and temperature conditions are incorporated and an on/off switch is mounted on the rear panel. The units are strongly constructed, light in weight and have extremely efficient insulation to ensure that the case remains cool enough to handle even at maximum operating temperatures.

The Dri-Block ® range has been designed to deal with all important RF interference and electrical safety regulations.