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Tenney Benchmaster BTRC-WF4T-C Temperature / Humidity Test Chamber Serial#: 145508

Rental Return Unit Now In - Stock.  Available for Rent or Purchase.

Tenney's Benchmaster temperature and humidity test chambers are capable of simulating a wide range of temperature or temperature and humidity conditions. The five-cubic foot work space will readily accept equipment as large as a 19" relay rack. 

In keeping with the needs of today's lab, we designed these temperature and humidity test chambers to have a compact exterior that maximizes the interior work space. 


  • Simulates a wide range of temperature or combined temperature and humidity conditions to meet a variety of testing needs
  • Compact design maximizes interior laboratory work space
  • Vertical-down airflow assures consistent conditions
  • Window in door with interior light


  • Vapor-tight interior liners of 100% continuously welded stainless steel
  • Humidity capable models constructed of 100% non-corroding parts and have a low-water protection system
  • Open-air low mass nichrome wire heating elements

Pricing Information

  • List Price New: $21,214.00
  • Purchase This Unit For: $18,715.00
  • Rent This Unit For: $1,350.00 / month


  • Interior Dimensions: W X D X H (inches) 20 x 19.25 x 22
  • Exterior Dimensions: W X D X H (inches) 67 x 32 x 41
  • Crated Dimensions: W X D X H (inches) 77 x 43 x 54
  • Voltage: 230/240V-1 phase 60 Hz
  • Amp Draw: 29
  • Amp Fuse: 40 
  • Temperature range: -68C to 200C 
  • Humidity 20%-95%, RH over the temperature range of 20C to 85C, limited by a 3C dew point 
  • FG# R740329



Control System

Watlow F4T Temperature Controller

Watlow F4T Temperature Controller

The Watlow F4T Temperature Controller with INTUITION™ temperature process controller combines the flexibility of a modular I/O controller with best-in-class ease of use.


  • 4.3-inch, color touch panel with high-resolution, graphical user-interface
  • 1 to 4 control loops with TRU-TUNE+ adaptive control algorithm for superior controllability
  • 40 ramp and soak profiles with real-time clock and battery backup.
  • Ethernet Modbus® TCP connectivity
  • High-speed USB 2.0 host port
  • Modular design, which offers numerous types of field pluggable modules for maximum flexibility and easiest compatibility
  • Optional Data Logging capability
  • Optional Graphical Trend Chart
  • TPS provides panel mounted USB and Ethernet ports located on the front control panel of the equipment


Included Option:

  • Single standard 3 inch port with plug centered in left sidewall 
  • Ethernet Communications
  • Window in door with internal light
  • UL508A Control Panel
  • One Year Parts and Labor Warranty

Available Options:

  • Cart with Casters
  • LN2 Boost Cooling
  • Shelves
  • Tempgard OTP

Additional Images