49 Cu. Ft. Capacity Temperature & Humidity Stability Chamber

Product Number: NSRI492WSW/0H

 NLS Natural Refrigerant Label  capture (1)

The Temperature and Humidity Stability Chambers are designed to meet the demanding requirements for scientific and laboratory research. Advanced engineered design incorporates the latest in cabinet, refrigeration, temperature control and monitoring features. Provides energy efficient, convenient, safe and reliable performance for optimal storage temperature environments necessary for a wide range of life science, pharmacy, biological, medical, clinical, and industrial applications.

The products are ETL Listed and include an 18 month parts & labor warranty + additional 3-year compressor parts warranty. 

Nor-Lake Scientific is Going Green!  We are an industry leader in providing a variety of Refrigerators and Freezers that are built with Hydrocarbon Refrigerants.

Environmentally friendly, natural hydrocarbon (HC) refrigerants (not containing hydrofluorocarbons) vastly reduce global-warming potential (GWP) while meeting new EPA/SNAP mandates and UL, ASHRAE compliance guidelines.


Proportional integral derivative (PID) controller with LCD display

  • Programmable ramp and soak
  • Process phase graphic animations
  • USB data port
  • RS-485 communication (MODBUS-RTU)
  • Real time clock
  • Battery backup
  • Event logs: 100
  • Visual alarm indicator
  • Audible alarm indicator
  • Process phase specific temp alarm
  • Process phase specific humidity alarm
  • Power failure alarm
  • Sensor failure alarm
  • Exterior dimensions: 54" W x 36 3/8" D x 80 3/4" H with casters;
  • 77 1/4" H without casters
  • Interior dimensions: 49 1/8" W x  25 1/2" D x 59" H
  • 115V, 60 Hz, 12.4 Amps
  • ETL Listed
  • Shipping weight: 560 lbs
  • Temperature setpoint range: 4°C to 70°C
  • Temperature control: +/- 0.1°C
  • Temperature stability: +/- 0.5°C from 4°C to 70°C (Range dependent per test protocol)
  • Temperature uniformity: +/- 1°C from 4°C to 70°C (Range dependent per test protocol)
  • Humidity set point range: 15 to 95% RH
  • Humidity control: +/- 0.1%RH
  • Humidity Stability: +/- 3% RH (Range dependent per test protocol)
  • Cabinet is foamed-in-place with EPA compliant high density;
  • polyurethane foam insulation
  • White-powder coated steel exterior
  • 304 stainless steel interior
  • Plenum air distribution
  • Floor drain
  • Top mounted, variable speed compressor
  • Hydrocarbon natural refrigerant (R600a)
  • Ultrasonic humidification
  • Multi-element, independent proportional electric heating
  • Temp sensor Type: NTC
  • RH sensor Type: Capacitive
  • Condensate evaporation
  • Shielded, switched interior LED lighting
  • Heavy duty door handles
Magnetic door gaskets for positive seal