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  • RSM has analog output signal for monitoring through central building automation system. Unit is designed for instant verification that the room or area is “OK”
  • LED lights are primary visual alarm, since the screen color may not be verifiable to someone who is color-blind.
  • Door switch is optional. Screen will only change between green and red if no door switch is installed
  • Picture on Right: Clean Room Airflow Path: Air is blown in through ductwork at top of room. The Filtered air “washes” down over the working area, and is exhausted through vents near bottom of room.
  • Airflow is INTO the room, to protect doctors, nurses, and other patients from pathogens in the contained area
  • Airflow is OUT of the room, preventing outside air from entering the patient area. Airborne pathogens could enter wounds during surgery if not properly pressurized
  • Airflow is OUT of the room, preventing outside air from entering the patient area.
  • Important for safety of lab workers, and also creates stable environment for repeatable experiments


  • 1. Series RSM Room Status Monitor
    The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2011 Dwyer Instruments, Inc
  • 2. Room Status Monitor
    Monitors Pressure in critical Positive or Negative Isolation Rooms and Environments
  • 3. Key Features
    +/- 0.5% F.S. Accuracy
    Positive and Negative monitoring
    Ranges as low as +/- 12.5 Pa
    Field Selectable 4-20 mA, 0-10 or 0-5 VDC
    120 VAC or 24 VAC powered models
    Optional BACnet® communication
  • 4. Key Features
    Local Red / Green LED Status Indicators
    Local Audible Alarm (max 85 dB @ 10 cm)
    SPDT relay for remote alarm notification
    Backlit Color LCD Display
    Touch-screen User Interface
    Door Status Monitor (digital input)
  • 5. Key Benefits
    Resolution of 0.025 Pa!
    High accuracy room-to-room pressure monitoring
    Local verification of pressure condition in target area (Safe/Unsafe)
  • 6. LED Indicator Lights – Quick Verification
    Instant “Safe/Unsafe” Validation
    Key Benefits
  • 7. Key Benefits
    Color-Coded LCD Display – Indicates Condition
    If Pressure is Normal, the screen is GREEN
  • 8. Key Benefits
    Color-Coded LCD Display – Indicates Condition
    If Pressure is Normal, and the Door is Open, the screen is YELLOW
  • 9. Key Benefits
    Door Status Monitor – Digital Input
    Door Closed – Closed Circuit
    Door Open – Open Circuit
    To RSM
    Installed in Door
    Installed in Frame
  • 10. Key Benefits
    Color-Coded LCD Display – Indicates Condition
    If Pressure falls outside the preset limits (Alarmed State), the screen is RED
  • 11. Typical Installation
  • 12. Applications
    Clean Rooms
    Hospital Rooms
    Research Labs
  • 13. Applications
    Clean Rooms
    An area with a controlled level of particulate contamination
    Positively Pressurized : In case of leaks, clean air leaks out instead of dirty air rushing in.
    Common in manufacturing facilities
    Pharmaceutical, semiconductor
  • 14. Applications
    Clean Rooms
  • 15. Applications
    Hospitals – Airborne Infectious Isolation Rooms
    Negatively Pressurized
    Limit the movement of germs from the patient room to other areas in the building
    Tuberculosis, influenza patients
  • 16. Applications
    Hospitals – Operating Rooms
    Positively Pressurized
    Limit the movement of airborne germs into the operating room
  • 17. Applications
    Hospitals – Protective Environment Rooms
    Positively Pressurized
    Protects patients from germs elsewhere in the building
  • 18. Applications
    Research Labs
    Negatively Pressurized
    Ensures proper airflow, temperature and humidity in lab area
    Confines hazardous materials to the lab area
  • 19. Ways to Sell
    Excellent Monitor for Building Management
    At-A-Glance Verification of Room Condition
    Simple Touchscreen Setup and Calibration
  • 20. Questions
    To order a free catalog or for more information contact;
    Dwyer Instruments, Inc., P.O. Box 373,
    Michigan City, IN., 46361
    Telephone: (800) 872-9141 or (219) 879-8000
    Fax: (219) 872-9057
    Internet address: www.dwyer-inst.com
    E-mail: info@dwyer-inst.com