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At 11:34 PM 9/17/99 -0400, you wrote: >Actually, that's not the case. Sensor manufacturers pack their >product in gas-tight bags containing either pure nitrogen or >pure argon. Galvanic cells are effectively "put to sleep", >and have indefinite shelf life if they are not exposed to >oxygen. So as long as the bag containing the sensor does >not have any holes (easy to check), then the sensor is >almost certainly fresh. Actually, according to Ceramatec, they _do_ have a shelf life of about 2 yrs when kept unopened in the original factory wrap. We only stock one at a time and re-order as necessary, as this is what Ceramatec recommended. They pretty much always keep plenty of stock, so getting one in a timely fashion shouldn't be a problem. Tony Thomas http://www.stingraydivers.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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