Grant Bio BTD Dry Block Heater for Microtubes

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SKU Temperature Setting Range Temperature Range Weight (In Grams) Price (excluding VAT) Availability Qty To Purchase
Grant Bio BTD Dry Block Heater for Microtubes BTD 25 to 100°C Ambient +5 to 100°C 2800
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Digital dry block heating system for microtubes

Grant block heating system with a fixed block is designed for rapid and precise heating of microtubes up to 100ºC. 

  • Digital temperature control for optimum precision
  • Heating range ambient + 5ºC to 100ºC
  • Powerful heater for rapid heat-up times – 25ºC to 100ºC in just 15 minutes, 25ºC to 37ºC in just 4 minutes
  • Stability ± 0.1ºC, uniformity ± 0.2°C
  • The heating block holds combinations of four microtube sizes simultaneously – up to a total of 49 tubes: 24 x 1.5/2.0 ml, 15 x 0.5 ml, 10 x 0.2 ml
  • Flexible tube sizes and rapid heat-up time enables swift change of application
  • Convenient integral timer for time-sensitive incubations
  • Sturdy, durable, easy-to-clean plastic construction; compact design with a small footprint
  • 2-line display for simple and precise setting of temperature/time and for monitoring current status during operation


The Grant BTD is a compact and flexible digital dry block heating system ideal for the rapid and precise heating of microtubes up to 100ºC. The distinctive circular block holds a combination of four microtube sizes simultaneously, and rapid heat up enables swift change of application – for maximum flexibility. The aluminum block is housed in a compact, stylish plastic molding, which is durable, sturdy, and easy to clean. 


  • Life-science/cancer research – DNA extraction incubations, DNA denaturation, PCR, ELISA and Western blotting, molecular biology
  • General – heating samples 



Dimensions (h x d x w) 115 x 230 x 210mm
Temperature range Ambient +5 to 100°C
Temperature setting range 25 to 100°C
Stability 0.1 ±ºC
Uniformity 0.1±ºC @ 37°C
Temperature display 2 line x 16 character LCD
Setting resolution 0.1°C
Heat up time 4 minutes
Heat up time 15 minutes
Timer 1 minute to 96 hours (increments of 1 minute)
Safety Thermal fuse
Power consumption - 230V 200W (0.87A)
Power consumption - 120V 200W (0.87A)
Nominal operating voltage 120 or 230V (50/60Hz)
Weight 2.8kg


    • Weight (In Grams)
      2800 g
    • SKU
    • Commodity Codes
  • Manufacturer
    Grant Instruments (Cambridge) Ltd
  • Country of Origin
  • Temperature Setting Range
    25 to 100°C, Not Applicable
  • Temperature Range
    Ambient +5 to 100°C, Not Applicable