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Can Ship in 2-3 Days

Tenney "Classic" T20RC Temperature / Humidity Chamber Serial#: 25457-02

Fully Refurbished Unit.  Can Ship in 2-3 Days!  Includes a One Year Parts & Labor Warranty.

Our line of Tenney Series chambers employ leading edge technology to supply our customers with the most efficient and environmentally-friendly test equipment possible. State-of-the-art controllers allow precise, effective monitoring and programming of your unit.   An exact blend of insulation ensure efficient chamber operation and maximize floor space by minimizing equipment footprints.  Time-proven mechanical refrigeration, in single or cascade systems, allows years of worry-free use.  Environmentally safe CFC-free refrigerants provide the safety you demand.


  • Structural reinforcement is used at all critical points
  • Through wall ports are continuously welded
  • Fully welded liner


  • Design features for optimal performance such as high volume horizontal down air circulation
  • Electric heating system and mechanical refrigeration system
  • Profiling Touch Screen Control System
  • Casters (2 locking)

Pricing Information

  • List Price New: $27,036.00
  • Purchase This Unit For: $19,500.00
  • Rent This Unit For: $1,650.00 / month


  • Model Number: T20RC-4
  • Temperature Range: -70°C to +200°C
  • Humidity capability: 20% to 98% RH in the dry bulb range of +20°C or +85°C as limited by a 3° dew point
  • Interior Dimensions:30" wide x 32" deep x 36" high
  • Exterior Dimensions:41" wide x 55" deep x 84" high (Height includes standard 3.0" casters)
  • Voltage: 230V/240V, Single Phase, 60 Hz.
  • Refrigeration: Tenney Classic Cascade  (2) 2.0HP
  • KW:2.5kW; Humidifier: 2kW
  • Amps 35
  • Fuse 45 Amp
  • Air Flow: Vertical
  • FG# R191029


Control System

VersaTenn V Temperature HMI Controller

VersaTenn V Temperature HMI Controller

  • Two channel controller
  • Auto/ manual control
  • Pentium class processor
  • 8 MB flash disk on chip storage
  • USB flash disk port
  • RS-232 communications
  • Color LCD touch screen interface with real-time graphic displays
  • Microsoft Windows CE Operating System
  • Logic circuits automatically select cooling and heating modes
  • Near infinite number of programs and steps possible
  • RTD sensors for temperature measurement
  • 2 process inputs, 10 temperature control outputs, 6 event outputs
  • Alarm output for each channel
  • RS232 data communications


Included Options:
  • Window & Interior Light
  • 2" port. Centered on left side of the chamber & a 3" port on the left side of the chamber, with covers.
  • Exclusive TPS Refurbished Equipment 1 Year Warranty
Available Options:
  • Stainless Steel Shelves
  • TempGard OTP
  • Certificate of Calibration NIST
  • Dry Air Purge
  • LN2 Boost Cooling
  • Boost Heat
  • Water Filter Options

Additional Images