Medical Device and the Camry Hybrid
#11
Re: Medical Device and the Camry Hybrid
I was only able to test the vehicle with ignition on but stationary.
Many static field meters can give wildly erroneous readings when trying to measure time-changing fields (such as the RF from your blackberry); or, as SPL mentioned, it may be the very local field from the speaker magnet -- that field may be strong near the speaker, but should drop off to undetectable levels with a foot or so of separation.
At the hospital here, we have a "5 Gauss line" marked around the MRIs, which no one who has a pacemaker should cross. We estimate that that gives us about a factor of 10 for safety; I wonder if you should also note any magnetic fields higher than that while you're doing your survey (the valve _should_ require 80 G to activate, but it may be prudent to monitor anything above 8 G).
Some questions to consider: is the valve always affected the same way (i.e.: adjusted to full-open mode?). How does the magnetic switch work to control it? Is it an on/off toggle? Does it expect a certain pattern or duration to go to a certain position? Does the direction of the field matter?
#12
Re: Medical Device and the Camry Hybrid
Just wanted to post a follow up on the question of EM radiation on the hybrid. I obtained a Gauss meter from the manufacturer of the valve and thoroughly probed the Camry. As most of you suspected, the car showed no appreciable EM radiation, not even directly over the high voltage cables. So, I am off to other possibilities.
Thanks so much for all the advice....
Brian
Thanks so much for all the advice....
Brian
#13
Re: Medical Device and the Camry Hybrid
Just wanted to post a follow up on the question of EM radiation on the hybrid. I obtained a Gauss meter from the manufacturer of the valve and thoroughly probed the Camry. As most of you suspected, the car showed no appreciable EM radiation, not even directly over the high voltage cables. So, I am off to other possibilities.
Thanks so much for all the advice....
Brian
Thanks so much for all the advice....
Brian
#14
Re: Medical Device and the Camry Hybrid
We have a magnetic key system to get into my work building and if I have the TCH key fob with me, it interferes with the building door lock (my cell phone does too), so I cannot carry them in the same pocket or both in my purse. So maybe the TCH key is the problem.
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03-01-2010 02:13 PM