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Digital Refractometer PR-301α

The PR-301 a( alpha ) is an upgraded model of the current PR-301 with improved measurement accuracy based on the new technology development. The PR-301 a ( alpha ) is designed to cover high concentration of Brix 45.0 to 90.0%. It is most suited for the measurements of jellies, raw liquid sugar, etc. New functions are ... more

 Dry Box Heating Systems
Home : Our Principals : GRANT : Grant Laboratory Products : Dry Box Heating Systems

Analog Block Heater

Health and Safety Regulations dictate that increasing amounts of work are carried out in a fume hood or safety cabinet; block heaters provide the ideal solution to the problem of achieving accessible, contamination-free temperature control within the fume hood itself.

Block heater

  • Using aluminium as the temperature transfer medium, for dry heating of samples

Convenient dry temperature control

  • Easily carried and spill-proof - ideal for carrying vessels from place to place (not BT5D)
  • Safe operation at high temperatures without the need to use oil
  • The laboratory remains steam-free during high temperature procedures
  • Supplied with an extraction tool for user protection, allowing blocks to be removed easily and safely, even when hot and loaded with tubes

Design features :

  • Designed to take up as little space as possible on the bench or in a fume hood
  • Grant block heaters are robust and reliable, to stand up to everyday wear and tear

BBA analogue block heaters

Ambient + 5C to 130C operation

Stability 0.5C, uniformity 0.5C

  • For consistent long-term temperature control

Fast heat up rate

Analogue setting

  • Easy-to-use, conventional knob and dial; a reference thermometer will be necessary for accurate temperature setting

Interchangeable blocks: 1, 2 or 4

  • Choice of models available to accommodate 1, 2 or 4 aluminium blocks per unit
  • Choice of blocks available to suit a wide range of tube sizes


  • Overtemperature protection by thermal fuse

Specifications, BBA Series

Type interchangeable blocks interchangeable blocks interchangeable blocks
Temperature display analogue analogue analogue
Temperature range ambient + 5 to 130C ambient + 5 to 130C ambient + 5 to 130C
Stability @37C 0.5C 0.5C 0.5C
Uniformity tube blocks @37C 0.5C 0.5C 0.5C
Heat up time ambient to 120C 20 mins 20 mins 20 mins
External dimensions w/d/h 203/265/90mm 203/265/90mm 203/360/90mm
Electrical power W 100W, 230V 50/60 Hz AC 180 W, 230V 50/60 Hz AC 360 W, 230V 50/60 Hz AC
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BTD Dry block heaters
BTA Block heaters
Prima Series

QBT digital block heater
BT5D high temperature block heater

Applications-Specific Equipment
Cryopreservation Equipment
Dry Box Heating Systems
Refrigerated Bath & Circulator
Shaking Water Bath
Stirred Thermostatic Bath & Circulator
Ultrasonic Bath
Unstirred Water Bath
Sentra Niaga Puri Indah Blok T3-10
Jakarta 11610 - Indonesia
Telp: +62 (21) 581 8000, 581 9000
Fax: +62 (21) 581 6999
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