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Tenney Junior Compact Temperature Test Chamber

Tenney Junior Compact Temperature Test Chamber


The Tenney Junior environmental test chamber is a popular choice for reliable temperature testing. The Tenney Junior can be used for testing materials from  -75°C to +200°C.


  • Space saving design – available as upright or bench versions
  • Compact exterior with ample interior workspace to maximize valuable floor space
  • Low total cost of ownership
  • Field proven reliablity with thousands in use worldwide
  • Vapor-tight, continuously welded interior
  • Easy to use controller


  • Vapor tight interior made with 100% stainless steel
  • Control tolerance of +/-0.3°C
  • Hermetic system uses accurately calibrated capillary tubes rather than mechanical expansion valves
  • Low-mass nichrome, open wire heating system
  • Vertical-down recirculating system
  • Double silicon gaskets on doors
  • 3” diameter access port with plug
  • EIA-232 / RS485 Interface

Controlled-Rate Freezer Applications

The Tenney Junior can be used for controlled rate freezing with options that are specifically engineered for cryogenic applications. The onboard controller stores profiles for freezing jobs and the unit has optional recorders and ports for attaching printers for verification and data collection.
  • Accurate and controlled freezing rates
  • Freezing provided by specialized LN2 option and airflow controls
  • Efficient operation provided by insulation, door seals and accurate control of temperatures
  • Custom loading racks, freezing profile programming and data recording options are available


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