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bfs-40mp
freeze1a
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Physitemp Freezing Stages for Microtomes

Physitemp’s line of temperature controlled freezing stages incorporates several innovative features. The controller is designed around a new generation of switching power supplies which are smaller and lighter than the older BFS supplies. The supplies are overrated 100% to ensure cool operation and continuous service.
Code
BFS40MP + BFSMP

Physitemp Freezing Stages for Microtomes

BFS-40MP Temperature Controlled Freezing Stage for Microtomes


Physitemp’s line of temperature controlled freezing stages incorporates several innovative features. The controller is designed around a new generation of switching power supplies which are smaller and lighter than the older BFS supplies. The supplies are overrated 100% to ensure cool operation and continuous service.

Safety features include overtemperature alarm with power shut down in the event of inadequate flow of cooling water or overuse of the thaw feature.

  • Frozen tissue sections from most microtomes
  • Fast freezing preserves cell detail
  • Freeze to temperatures as low as -40degC
  • Temperature adjustable for optimum cutting
  • Quick thaw for easy cleanup
  • No CO2 needed-minimal cost to run
Innovative New Stage Design
An etched grid on top plate promotes better adhesion of frozen sample.
Thinner stage design reduces the need for a knife raising block.
Waterways inside the stage are redesigned to create a single passage to improve heat transfer and reduce potential for blockage.
Single large peltier module results in uniform temperature across the entire surface of the stage.
Redesigned mounting hardware facilitates the direct attachment of blocks or posts to the underside of the stage and a new adapter plate system allows mounting on a variety of different microtomes.

Safety Features
Controller incorporates fan assisted internal cooling to maintain low internal component temperatures
Continuous display of both set and run temperatures
Simple digital temperature control set-up
Auxiliary switched AC output for accessories (see options).
P.I.D. microprocessor based temperature controller with autotuning feature and feedback sensor breakage alarm. Adjustable feet provide convenient viewing angle for display.

Technical Features
110 to 230V AC operation
Temperature control to within 0.5degC in the range of -40degC to ambient.
Thaw switch to quickly release frozen samples.


BFS-MP Series




Physitemp’s new line of temperature controlled freezing stages incorporates several innovative features at a lower cost than our 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.

  • Frozen tissue sections from any microtome
  • Fast freezing preserves cell detail
  • Freeze to temperatures as low as -40degC
  • Temperature adjustable for optimum cutting
  • Quick thaw for easy cleanup
  • No CO2 needed-minimal cost to run

Features
110 and 220V operation by switch selection.
Temperature control to within 0.5degC in the range of -40degC to ambient.
Thaw switch to quickly defrost frozen samples.
Safety features include overtemperature alarm with power shut down in the event of inadaquate 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 set-up.
Auxiliary switched AC output for accessories (see options).
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.

Options
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.