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Temperature: -34°C to +200°C
Includes 1 Year Warranty

Tenney Benchmaster BTRS Temperature/Humidity Test Chamber Serial#: 12665-63

Refurbished Unit Ready to Ship.  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


  • 100 Ohm Platinum RTD sensor for temperature measurement
  • Vapor-Flo I Humidity Generator (in humidity models)
  • In humidity models-dry capacitance type humidity sensor
  • Chamber drain connection
  • Propeller fan for airflow

Pricing Information

  • List Price New: $10,500.00
  • Purchase This Unit For: $ 10,500.00
  • Rent This Unit For: $1,250.00 / month


  • Internal Dimensions: 20"W x 19.25"D x 22"H
  • External Dimensions: 62"W x 34"D x 34.5"H
  • Power: 230VAC, single phase
  • 24 Amp
  • 30 Fuse
  • Temperature Range: -34°C to 200°C
  • Humidity Range: 20% to 98% between 20°C & 85°C limited by 3°C dew point
  • FG# R161227

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:

  • 1 2" port in left sidewall
  • VersaTenn 5 Profiling Controller
  • Water Pressure Regulator
  • TPS Exclusive 1 Year Parts & Labor Warranty on Refurbished Equipment

Available Options:

  • 208VAC Power Option
  • Shelves
  • LN2 Boost
  • Cart with Casters
  • Calibration
  • Tempgard Independent OTP Control
  • Maintenance Kit

Additional Images