BFS-Series

• Frozen tissue sections from any microtome
• Fast freezing preserves cell detail
• Freeze to temperatures as low as (up to) -40 °C
• Temperature adjustable for optimum cutting
• Quick thaw for easy cleanup
• No CO₂ needed-minimalcost to run

Physitemp's BFS-Series of temperature con­trolled freezing stages incorporates a wide range of several instruments. The new line of temperature con­trolled freezing stages has innovative features at a lower cost than older TC series controllers. These controllers are designed around a new generation of switch­ing power supplies which are smaller and lighter than the older BFS supplies. The sup­plies are overated 100 % to ensure cool opera­tion and continuous service.

Technical features include: 

• 110 V and 220 V operation by switch selection
• Temperature control to within 0.5 °C in the range of -35 °C to ambient. The BFS-40MPA even from -40 °C to ambient temperature.
• Thaw switch to quickly defrost frozen samples
• Safety features include overtemperature alarm with power shut down in the event of inadequate flow of cooling  water or overuse of the thaw feature
• Controller incorporates fan assisted internal cooling to maintain low internal tempera­tures
• Continuous display of both set and run tem­peratures
• Simple temperature control setup
• Auxiliary switched AC output for acces­sories ( option P.I.D. microprocessor based temperature controller with autotuning feature and sensor breakage warning
• Combined carrying handle with adjustable base for convenient adjustment of display viewing angle

Optional Accessories: 

• ECV-1 Electrically Operated Solenoid Valve - enables the user to activate the tap water supply with the controller power switch
• PTU-3 Pump and Tank Unit - a closed loop water system for installations where an external water source is not available