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Laird Thermal Systems Delivers Compact Cooling for Analytical and Medical Instrumentation

Laird Thermal Systems Tunnel Series

 April 28, 2020

Laird Thermal Systems Tunnel Series thermoelectric cooler assembly

Laird Thermal Systems has expanded its thermoelectric cooler assembly product offering to better support heating and cooling of analytical and medical instrumentation. The trend to miniaturize analytical and medical instruments to free up precious lab space has led engineers to pack more functionality into a smaller footprint. This increases the heat flux density and thermal challenges. Waste heat must be efficiently managed to minimize heating areas requiring cooling. Increased cooling performance needs to be offset with quieter operation to not disturb the lab technician. For systems that require refrigeration, such as incubators, centrifuges, liquid chromatography and chemical analyzers, temperature control systems play an important role in optimization of test results. One popular cooling solution enables OEMs to meet these thermal challenges by utilizing thermoelectric cooler assemblies with integrated temperature control. The Tunnel Series thermoelectric cooler assembly now offers an expanded line of cooling capacities ranging up to 100 watts with higher efficiencies that run quieter.

When combined with an advanced SR-54 Series temperature controller, the Tunnel Series thermoelectric cooler assembly offers temperature control to within +/- 1 °C. The SR-54 temperature controller also provides monitoring and alarm functionality to identify a problematic fan, thermoelectric module, over-temperature thermostat and temperature sensor failure — all of which are critical to maximize medical equipment uptime. The controller requires minimal programming and can be easily adhered to a TEA or system enclosure. The controller also lowers operational noise, as fan speeds can be lowered once the specified temperature has been reached.

The Tunnel Series uses either an air-to-air or direct-to-air heat transfer mechanisms designed with optimized thermoelectric cooler for high efficiency and brand names fans for low noise and improved reliability. Additional design features include improved sealing to prevent moisture intrusion when running below dew point conditions and reduced number of airflow paths required to operate more efficiently compared to traditional impingement flow thermoelectric cooler assemblies.

 

  • Compact design for space constrained applications 
  • Precise temperature control to within +/- 1 °C
  • Reliable solid-state operation
  • Condensation protection
  • Fast temperature ramp rates
  • Highly efficiencient
  • Low noise operation
  • DC operation
  • RoHS-compliant

 

More information on the Tunnel Series thermoelectric cooler assembly

SR-54 temperature controller product information

 

 

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