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💧💧【Auto off & Lock Functions 】The TDS tester has a data-hold function, it locks your readings making them easy to record. The TDS tester has a power-saving function, and the digital water quality tester will automatically shut down after 5 minutes of standby.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.