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Can Ship in 2-3 Days

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

Rental Returned Unit. Available for Purchase or Rental.  Can Ship in 2-3 Days!

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 workspace
  • 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: $19,286.00
  • Purchase This Unit For: $14,200.00
  • Rent This Unit For: $1,325.00 / month


  • Computer Interface: RS485 Standard with Controller
  • Chamber Light: Yes
  • Door Style: Window in Door (6" x 8")
  • Single standard 3 inch port with a plug; centered in left sidewall
  • Water Supply: Water Regulator Assembly
  • Warranty: Standard 1 Year labor & 1 Year parts.
  • Temperature Range: -68°C to 180°C
  • Control Tolerance: +/-1.0°C and +/- 5% RH after stabilization
  • Humidity Range: 20% to 95%, RH over the temperature range of 20°C to
    85°C, limited by a 3°C dew point
  • 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
  • Crating Dimensions W x D x H (inches): 77 x 43 x 54
  • Electrical Power: 230V/240V 1 Phase 60 Hz
  • Amp Draw: 29
  • Amp Fuse: 40
  • R717320-A

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 
  • RS485 Standard with Controller
  • Window in door with internal light
  • One Year Warranty - Parts and Labor

Available Options:

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

Additional Images