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Old Feb 8, 2007, 08:24 PM
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Hobbs switches

Anyone know if hobbs switches are meth compatible?
Old Feb 8, 2007, 10:11 PM
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nope, the membrane is polyimide(kapton)....does not work well with water/methanol

Alternatively, you they do make hobbs with ptfe(teflon) membrane...special order

OR

aquamist has switches that have a NBR membrane that is compatible with water/methanol.

Do you need a NO or NC switch?
Old Feb 8, 2007, 10:20 PM
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http://content.honeywell.com/sensing...catswitch4.asp

Last edited by SlowCar; Feb 9, 2007 at 07:19 AM.




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