Model 'Air Flow Monitor' Product Information.
5% Discount on High & Low Range Models, April 1st-June 30th, 2021: Consult Price List Below!


Model 'Air Flow Moitor' Laboratory Air Flow Monitor Alarm for Biosafety Cabinets and Laminar Flow Hoods.
Click image to enlarge.

Key Features:

  • Low range version: 50 to 500 FPM.
  • High range version: 500 to 2500 FPM.
  • Audible and visual alert status indication.
  • Audible alarm mute with ring back so no alarm is forgotten.
  • Easy probe, power and relay output connections.
  • SPDT for remote alert status alarm output.
  • Optional wall mounting bracket.

Product Overview/Usage:

Hampshire Controls' "Air Flow Monitor" is a single probe instrument used for continuous monitoring of mass air flow levels within laboratory biosafety cabinet/laminar flow hoods. The unit also includes audible and visual alarm status indication and an (SPDT) output for remote alarm status indication.
For monitoring air flow, a single, 5/16" diameter probe is used. Once it is inserted into the flow stream properly (see video below), it will respond rapidly, accurately and repeatably. After probe positioning, you only need to set the flow value to "just above" the acceptable desired audible/visual alarm indication threshold.
Should air flow rate drop to the set point level, a yellow indicator light will illuminate. If flow rate drops below the established set-point value (for approximately 10 seconds), a red status indicator light will begin to flash and an audible alarm will sound.

Nominal flow range for standard configurations is either between 50 and 500 feet/minute (low-range version), or between 500-2500 feet/minute (for high-range versions). Standard units are designed for operation in air temperatures between 18°C and 28°C. However, other temperature and flow ranges are available upon request.
Above video: Setting up and using the Model "Air Flow Monitor" (8-minutes).

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