>
 Here's a link to the switches:

http://ecatalog.gemssensors.com/ecatalog/singlepoint-level/en/165570

Carl - They provide the following, which you may have seen.
Odds are you are not doing anything contrary to what it recommends here.

Reed Switch Protection - Bulletin No. 133702
http://www.gemssensors.com/~/media/GemsNA/InstructionBulletins/133702-m.ash=
x

_______________________

If you have surplus dead/old switches then trialing one with a Hall sensor
fitted in place of the reed should take little effort.



 Russell
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