Techne DB100/3 Digital Dri-Block® Heater, Ambient +5°C to 100°C, Requires 3 Insert Blocks

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Replacing Model FDB03LDD

Key Features
• Small, light, compact footprint - flat top surface allows units to be stacked in storage.
• Can hold any combination of aluminium insert blocks, depending on the model chosen.
• Digital models enable highly accurate temperature precision.
• Temperature range from ambient + 5°C to 200°C depending on the model chosen.
• Fast heat-up rate: 25°C to 100°C in 7-9 minutes, depending on the model chosen.
• Advanced temperature control. Temperature stability at 37°C ± 0.1°C.
• Outer casing is cool to the touch, even at maximum operating temperature.
• Bright orange 5-digit LED digital display for fast and accurate setting of temperature and timer.
• Temperature range from ambient to 100°C or 200°C, depending on the model chosen.
• Accurate, reproducible, rapid and safe heating of your samples.
• High quality, precision-engineered blocks provide excellent thermal contact.
• Choice of models with 2, 3 or 4 interchangeable blocks.
• Versatile range of interchangeable heating blocks to fit all popular sample tubes and plates.
• Full range of models and options for basic and advanced applications.


ModelDB100 / 3
Display5 character LED
Working rangeAmbient +5°C to 100°C
Minimum set temperature0°C
Accuracy (37°C)< ±1°C
Accuracy (100°C)< ±1°C
Stability (37°C)< ±1°C
Stability (100°C)< ±0.15°C
Max variation within block (37°C)< 0.2°C
Max variation within block (100°C)< 0.25°C
Max variation between blocks (37°C)< 0.5°C
Max variation between blocks (100°C)< 1.0°C
Heat up time 25-100°C (min)7
Heat up time 25-200°C (min)na
Audible alarmYes
Minimum timer1min
Maximum timer99hr 59min
Safety cutout deviceThermal fuse
Dimensions (WDH)279 x 260 x 105mm
Electrical supply230V or 115V 50-60Hz
Power (W)450
Shipping weight (Kg)6
Warranty (Years)3
  • £787.34

Techne® digital Dri-Block® heaters

Techne® Dri-Block® heaters have been providing a safe, dry, constant temperature source in the laboratory for 50 years. Now Techne® are proud to introduce the new 2014 range offering market-leading choice, flexibility and specification. Dri-Block® heaters are a source of precision temperature control for general heating and incubating applications as well as sensitive analytical procedures particularly suited to microbiology and clinical laboratories. They are designed for precise heating of test-tubes, microcentrifuge tubes, cuvettes and microtitre plates. Techne® Dri-Block® heaters cover the temperature range from ambient +5°C to 100°C or 200°C (depending on model) using machined aluminium alloy Dri-Block® inserts as the heat transfer medium. Independent indicator lights indicate mains power and heater action.

Electrical Safety
The Dri-Block® range has been designed to comply with all RF interference and electrical safety regulations and are CE marked.

Techne® Dri-Block® heaters have earned a strong reputation for reliability. All instruments are manufactured in the UK and supplied with a 3 year warranty. The anodised aluminium Dri-Block® inserts are supplied with a 1 year warranty.

Applications include incubation, boiling, inactivation, wet washing, sample concentration, enzyme digestions, enzyme activity studies, nucleic acid hybridisations and many other clinical and industrial purposes. Larger three and four-block models are available for high throughput applications such as Chemical Oxygen Demand. The innovative Techne® range also includes a twin control unit, accommodating two blocks with independent digital temperature controls. Each block can be set to different temperatures - ideal for multiple users or for applications where samples have to be transferred between two temperatures very quickly.

Countdown Timer
Each digital unit features a countdown timer, which can be adjusted to time your experiment from anywhere between 1 minute and 100 hours, in 1 minute increments. To set the timer, press and hold the timer button and press the up or down buttons. Each press of the up or down buttons will increase or decrease the set time by 1 minute. If the buttons are held down, the time change will accelerate to 200 min per second. Release the timer button to activate the timer. An audible beep will indicate the timer is active. When the count-down has completed, an audible beep will be heard and the display will alternate between END and current temperature. Press the set/reset button to cancel the beeper. The unit will cool to ambient once the count-down time has completed. To cancel the timer, press and hold the set/reset button until STOP appears and an audible beep is heard.

Over-temperature cut-out
In the event of a fault occurring allowing the Dri-Block® heater to overheat, a thermal fuse will cut in and remove power from the heater when the temperature reaches approximately 192°C in DB100 models and 240°C in DB200 models - eliminating any risk.

Accurate temperature control
Highly accurate digital temperature control is made quick and easy with a bright 5-digit orange LED display. Each unit has a set point resolution of 0.1°C with temperature range from ambient + 5°C up to 100°C or 200°C depending on the model chosen. The Techne® Dri-Block® heaters facilitate a fast heat-up rate from 25°C to 100°C in 7-9 minutes, depending on the model chosen and all models are able to achieve a temperature stability at 37°C ± 0.1°C.

New panel venting
Each Techne® digital Dri-Block® has venting to the side panels. Whilst helping to create a fresh modern look, the vents are designed to dissipate heat from the outer surfaces of the Dri-Block®, allowing users to safely handle and relocate their Dri-Blocks® even after extended use at 100˚C or 200˚C.

    • SKU
  • Manufacturer
    Techne (part of Cole-Parmer)
  • Dry Block Heaters
    • Number of blocks
    • Heat output
      450 W
    • Set-up plate dimensions
      279 x 260 x 105mm
    • Heating temperature range
      Ambient +5°C to 100°C

he new Techne® Flexi-block accessory is ideal for heating samples stored in 0.2ml, 0.5ml, 2.0ml and 5.0ml micro tubes, as well as any diameter test-tube, vial or cuvette. Flexi-blocks are available in 2 sizes; double-width (for 2-block heaters) or triple-width (for 3-block heaters). Unskirted PCR plates can be heated in either Flexi-block, although SKIRTED microtitre plates, deep-well plates and PCR plates can only be incubated in the triple-width version.

Manufactured from high density ceramic, the autoclaveable beads exhibit high mechanical strength and are an excellent thermal transfer medium. The beads are supplied with Flexi-blocks as standard.

The Techne® Flexi-block brings a new dimension to Dri-block® heating applications. The nature of Flexi-block beads ensures that almost any vessel can be incubated from ambient to 200°C, regardless of size, shape or material.

Compatible with any 2 or 3-block Techne® Dri-block® heater (sold separately).

Ordering information

Product codeDescriptionSize DWH (mm)
FLEXI2Flexi-block, double-width. Heats tubes, vials and unskirted plates. Beads included95 x 150 x 50
FLEXI3Flexi-block, triple-width. Heats tubes, vials and skirted plates. Beads included95 x 225 x 50
FTCOOLBENoICE replacement ceramic beads *1 bag 1.7 Kg

* Ceramic beads are supplied as standard with FLEXI2 and FLEXI3. Beads can be cleaned with mild laboratory detergent and are autoclaveable. If replacement beads are required, 1 pack is enough to fill either Flexi-block.

Manufactured from anodised aluminium, Techne has the widest choice of interchangeable block inserts of any manufacturer. This allows Techne Dri-Block® heaters to accommodate the widest variety of microtubes, test tubes, cups, plates, cuvettes and vials on the market, resulting in the most flexible Dri-Block® heater range available. Techne Dri-Block® inserts are either single-width to accommodate a wide variety of tubes and vials, double-width to accommodate microtitre and PCR plates or triple width to accommodate select consumables. Most blocks have a separate hole to accommodate a thermometer if required. Techne® also offer a half-width plastic spacer, commonly used in the Techne® FSC496D Sample Concentrator. Technical drawings are available to download below.

Wide choice of blocks
For use with Techne® Dri-Block® heaters, anodised aluminium alloy blocks provide excellent thermal
conductivity. Most blocks have a separate hole to accommodate a thermometer if required. Techne®
Dri-Block® heaters can accommodate block inserts in any combination (size-permitting). Depending on the combination of blocks selected, plastic spacers can be employed to fill a half-width recess, ensuring optimal thermal performance. A close fitting of sample tubes ensures efficient heat transfer. The new heater design, temperature sensor and updated circuitry provide exceptionally high thermal temperature control uniformity.

Block extraction tool
When removing aluminium blocks from the Techne® Dri-Block® heater, the process is made easier with
a block extraction tool, especially if the blocks still contain some residual heat. Most blocks contain a screw-thread to facilitate quick and simple removal with the block extraction Tool. Techne® Dri-Block® heaters are supplied complete with a block extraction tool but without aluminium blocks, which are ordered separately. In some cases, at additional cost, bespoke blocks can be manufactured, please contact Techne for details. For use with Techne® block heaters. Manufactured from anodised aluminium, most blocks have a separate hole to accommodate a thermometer if required.

- Half width blocks have dimensions (D x W x H) 95 x 37 x 50mm.
- Single width blocks have dimensions (D x W x H) 95 x 75 x 50mm.
- Double width blocks have dimensions (D x W x H) 95 x 150 x 61mm.
- Triple width blocks have dimensions (D x W x H) 95 x 225 x 50mm.

Specification and Ordering Information

Product CodeTube DiameterNumber of HolesThermometer holeBlock Size (DWH mm)
F3501PlainNoneNo95 x 75 x 50
F35026mm30 (38mm deep & tapered)Yes95 x 75 x 50
F350310mm20 (48mm deep & conical)Yes95 x 75 x 50
F350412mm20 (48mm deep & conical)Yes95 x 75 x 50
F350513mm20 (48mm deep & conical)Yes95 x 75 x 50
F350615mm12 (48mm deep & conical)Yes95 x 75 x 50
F350715ml Falcon tubes (16mm)12 (48mm deep & conical)Yes95 x 75 x 50
F350819mm8 (48mm deep & conical)Yes95 x 75 x 50
F350925mm6 (48mm deep & conical)Yes95 x 75 x 50
F351010mm cuvettes2 channels 13mm x 38mmYes95 x 75 x 50
F3512Plain (triple width)NoneYes95 x 225 x 50
F4460Plain (single width)NoneYes95 x 75 x 50
F44617mm and 9mm20 and 10 (38mm deep & conical)No95 x 75 x 50
F446224mm6 (48mm deep & conical)Yes95 x 75 x 50
F446326mm6 (48mm deep & conical)Yes95 x 75 x 50
F44641.5ml tubes20 (35mm deep & tapered)Yes95 x 75 x 50
F4464B1.5ml tubes (blue)20 (35mm deep & tapered)Yes95 x 75 x 50
F4464R1.5ml tubes (red)20 (35mm deep & tapered)Yes95 x 75 x 50
F44650.5ml tubes30 (27mm deep & tapered)Yes95 x 75 x 50
F4466Plastic spacer (2 pack)NoneNo95 x 37 x 50
F446796-well HIGH-TEMP96Yes95 x 150 x 61
F446896-well culture plate96 (round wells)Yes95 x 150 x 61
F446996-well culture plate96 (flat wells)Yes95 x 150 x 61
F44702.0ml tubes20 (35mm deep & conical)Yes95 x 75 x 50
F44710.2ml tubes72 (13.8mm deep & tapered)Yes95 x 75 x 50
F447396-well PCR plate96 (17.3mm deep & tapered)Yes95 x 150 x 61
F44741.0ml Porvair Plate96No95 x 150 x 48
F4476Gelation Timer block1 sample cup & flatYes95 x 75 x 50
F4477384-well PCR plate384 (7mm deep & tapered)Yes95 x 150 x 61
F448050ml Falcon tubes5 (48mm deep & conical)Yes95 x 75 x 50
F448196-well Flat-bottom platePerimeter ridgeYes95 x 150 x 61
F448530mm5 (48mm deep & conical)Yes95 x 75 x 50
F448743mm2 (45mm deep & flat)Yes95 x 75 x 50
F449020mm8 (48mm deep & conical)Yes95 x 75 x 50
F450112mm20 (24mm deep & conical)Yes95 x 75 x 50
F451520mm18 (35mm deep & flat)295 x 225 x 50
F451623mm18 (35mm deep & flat)295 x 225 x 50
F456712mm20 (24mm deep & flat)Yes95 x 75 x 50
F456815mm12 (30mm deep & flat)Yes95 x 75 x 50
F456912mm20 (20mm deep & flat)Yes95 x 75 x 50
F467516mm12 (35mm deep & flat)Yes95 x 75 x 50
F467613mm20 (25mm deep & flat)Yes95 x 75 x 50
F467717mm12 (48mm deep & flat)Yes95 x 75 x 50

Block extraction tool

6101308Spare Techne® Dri-Block® Aluminium block extraction tool