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Stability Test Chambers – PharmaEvent

The PharmaEvent stability test chambers from weisstechnik® were specifically developed to meet the requirements of a test laboratories in the pharmaceutical industry. They are robustly constructed and available in four sizes from benchtop (PHARMA 280), single (PHARMA 600), double (PHARMA 1300) and triple door (PHARMA 2000) models. All stability chambers easily meet FDA ICH Q1A guidelines for stability testing along with other test specifications in the performance range of the chambers.

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  • Energy efficient
  • Quiet operation
  • Stackable benchtop model
  • Compact size allows for easy fit through doorways
  • Uni-Flow airflow design provides precise uniformity
  • Patented, vapor humidification system (Sterile Steam System)
  • The innovative WEBSeason® user interface allows you to program, control and monitor your tests at any time and anywhere – even from your tablet or smartphone



Model 280(-T) 600(-T) 1300(-T) 2000(-T)
Test Space Volume
10/280 21/600 46/1300 71/2000
Temperature Range +2°C to +70°C
Humidity Range 20% to 90%
External Width 24.4″ (620mm) 24.4″ (620mm) 52.8″ (1340mm) 80.1″ (2034mm)
External Depth 26.5″ (673mm) 27″ (685mm) 27″ (685mm) 27″ (685mm)
External Height 25.2″ (641mm) 51.2″ (1300mm) 51.2″ (1300mm) 51.2″ (1300mm)

Product Features

  • Digital measuring and control system WEBSeason touch screen display
  • Ethernet interface
  • Lockable doors
  • Password protected control panel
  • Door contact switch for door jar alarm
  • Benchtop model includes 2 shelves and reach-in units includes 6 shelves per door supplied as a standard.
  • 6 feet (Pharma 280) or 4 casters, 2 with brakes (Pharma 600, 1300, 2000)
  • Water tank, 13 l (Pharma 280) or 19 l (Pharma 600, 1300, 2000) with automatic and manual water supply of demineralized humidification water
  • Air-cooled refrigeration unit with low noise emission
  • Patented vapor humidification system (Sterile Steam System)
  • The control system responds quickly in order to correct setpoint variations caused by door openings or product under test.

Technical Data

Additonal Options

  • Color touch panel
  • Software package Simpati* Pharma for recording and processing of measurement values
  • Networking of several systems
  • Serial interface RS 232 C
  • Registration of temperature and humidity
  • Additional temperature and humidity sensor
  • Acoustic and optical warning signal
  • Refrigeration unit, water-cooled
  • Glass door, heated (Pharma 600, 1300 and 2000)
  • Demineralisation unit with exchangeable cartridges for connection to domestic water supply
  • Additional shelves
  • Additional entry ports
  • Height-adjustable feet (Pharma 600, 1300 and 2000)
  • Qualification documentation for Pharma test system and Simpati* Pharma software
  • Special voltage
  • Analog outputs



Product Inquiry




3881 N. Greenbrooke Dr. SE
Grand Rapids, MI 49512

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