Re: [Histonet] Laboratory fume hood

From:Robert Chiovetti


The most popular airflow meters I see on fume hoods are made by Dwyer Instruments, and they're called Magnehelic meters.  They are frequently used as original equipment on fume hoods.  They come with different scales on them, and they cost about $60 - $70.  You can buy a flat mount to put the meter on your fume hood for about $25.  I think you can get either a digital display model or the old-fashioned style with a needle and a scale.

Check them out at:

Also, it would be a good idea to check with your facilities folks or the HVAC guys to make sure this meter would do the trick for you.  If the State of California requires an alarm, I'll bet that Dwyer Instruments has something to meet that requirement.

Disclaimer: I have no financial interests in Dwyer Instruments or Magnehelic.  I jsut see a lot of them out there.


Robert (Bob) Chiovetti, Ph.D.
Southwest Precision Instruments

Arizona's Microscopy Resource
132 North Elster Drive
Tucson, AZ 85710-3212
Tel./Fax 520-546-4986
Member, Arizona Small Business Association

----- Original Message ----
From: Christine Bark 
Sent: Monday, May 21, 2007 11:46:31 AM
Subject: [Histonet] Laboratory fume hood

Happy Monday to all,
            I was hoping to get some help in finding a laboratory fume
hood that satisfies California regulations. Starting in 2008, laboratory
fume hoods need to have a quantitative airflow monitor and alarm
(audible or visual). Is there anything I can purchase to attach to my
current hoods or do I need to purchase new ones? Any information is
welcome including vendors.
Thank you,
Christine Bark
Senior Histotech, Pathology
Saddleback Memorial Medical Center

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