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Tenney Benchmaster BTRC-WF4-C Temperature and Humidity Test Chamber Serial#: 121962

NEW and In - Stock at our California Facility for quick shipment to our West Coast customers!

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 workspace 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 workspace. 


  • 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: $18,482.00
  • Purchase This Unit For: N/A
  • Rent This Unit For: $1,325.00 / 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 42 x 51
  • Voltage: 230/240V-1 phase 60 Hz
  • Amp Draw: 29
  • Amp Fuse: 40 
  • Temperature range: -73C to 200C 
  • Humidity 20%-95%, RH over the temperature range of 20C to 85C, limited by a 3C dew point 
  • FG# R717320



Control System

Watlow F4 Temperature Controller

Watlow F4 Temperature Controller

  • Dual channel
  • Profiling: 40 profiles, 256 steps
  • Automatic & manual control
  • 2 Analog inputs, universal-type (RTD is standard)
  • 4 Digital inputs
  • 2 Auxiliary analog inputs -- optional
  • 2 Control outputs: time proportioned, on/off or 4-20 mA
  • 2 Alarm outputs
  • 8 Digital event outputs
  • 2 Retransmit outputs -- optional
  • Communications: EIA-232 and EIA-485 with Modbus RTU protocol


Included Option:

  • Single standard 3 inch port with plug centered in left sidewall 
  • RS232 Communications
  • Window in door with internal light

Available Options:

  • Cart with Casters
  • LN2 Boost Cooling
  • Communications Software
  • Tempgard OTP

Additional Images