[Jewelry making - Article 00238] - Re: [Orchid] Ultrasonic cleaner and damage to hands

[James Binnion]

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Hi Bruce,

    	It is not a legend here is a quote from a FAQ page of an ultrasonic
    manufacturer (http://www.soniclean.com.au/FAQ.htm#hands) 

    Q:  Can I put my hands into the water when my ultrasonic cleaner is
    activated? 

    A:  As part of the occupational health and safety, no part of the
    operator's body should be submerged into the water during operation
    as the ultrasonic energy is enough to cause damage to joint tissues
    and result in long-term arthritic conditions. 

    I looked at other operators manuals and data sheets on the web and
    all of them say in one form or another not to put any part of your
    body in the tank while it is operating. The one above was the most
    specific as to the danger posed. I am sure that most manufacturers
    don't list all the effects to limit law suits. 

    When I was in the Navy we had a large (about 1 cubic foot tank)
    ultrasonic cleaner for parts cleaning. The operators safety
    instructions included warnings about gas bubbles in the blood and
    joint deterioration from immersing your hands in the tank while
    operating. While this was a more powerful machine than the ones we
    use I think I will continue not to put my hands in the tank when it
    is on. 

-- 
Jim Binnion

James Binnion Metal Arts
Phone (360) 756-6550
Toll Free (877) 408 7287
Fax (360) 756-2160
http://www.mokume-gane.com
jbin AT mokume-gane.com
Member of the Better Business Bureau


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