BTD Dry Block Heater for Microtubes

Digital dry block heating system for microtubes

Grant block heating system with 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
  • 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 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 aluminium block is housed in a compact, stylish plastic moulding, 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


Product Manuals:

Further Information: