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Bahnson Environmental Specialties

WRST – Stability Walk-In Rooms

Bahnson Environmental Specialties – BES has been designing, manufacturing, installing and servicing walk-in stability chambers, some of which were the largest multiple chamber installations in the pharmaceutical industry. These chambers, which can exceed 5,000 square feet, are designed for efficient air flow, guaranteeing superior temperature and humidity uniformity, regardless of loading conditions or size.

Applications

  • Long term stability studies
  • Accelerated stability studies
  • Freeze / thaw and thermal cycling
  • Long term stability studies
  • Accelerated stability studies
  • Freeze / thaw and thermal cycling

Description

Stability chambers are designed for efficient air flow that guarantees temperature and humidity uniformity under extreme loading conditions and BES guarantee is never limited by size.

Features

  • Modular metal skinned panels with urethane insulated tongue and groove construction for chamber enclosure.
  • “Cam-locking” construction with vinyl gasketed seams.
  • Low height aluminum ceiling plenum housing.
  • Totally accessible hinged drain pan for maintenance and cleaning of all interior plenum components.
  • PSC fan motors for energy efficiency.
  • Automatic defrosting with refrigerant hot gas and/or electric heat for quick and efficient operation.
  • User friendly touchscreen control system provides process control, process alarms and circuit switching.
    • Microprocessor based I/O hardware with programmed logic running on Windows CE® platform. Control logic program is stored on a non-volatile, high capacity memory card EE-prom. All control parameter settings, alarms and setpoints are maintained during power failure, and restart is automatic upon power restoration.
    • Realtime trending of temperature and humidity parameters and setpoints.
    • Historical data logging is provided with the paperless recording capability.
    • Interface USB port for data transfer to printer or removable memory stick to maintain local ‘paper trail’ requirements.
    • Conformance to the FDA 21 CFR 11 requirements for data recording, audit trails of controller settings modi cation, alarm history logs, operator event logs and secure file transfers. Operating data is encrypted and stored in user defined time length log files, and can be viewed on the touchscreen, or remotely by PC. Password protection provides multiple levels of user access and de ned rights. Password aging and re-authentication for process changes are also provided per 21 CFR 11 specifications. High level encryption and digital signatures are supported for paperless operation.

Product Literature: BES_WRST