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3) Secure integrated Locking Mechanism: Our Pocket Multitool has an integrated locking mechanism
rolled up and stored in the drawer when you are not using it
and when you're done taking the temperature measurement you can fold the probe back in to ensure the probe is kept safe and clean
With our floor brush
SUPTREE Digital PH Meter Tester 3) Secure integrated Locking Mechanism:How to use calibrationPress CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6. 86, 4, and 9. 18 to complete the calibration. Mini SizeThe mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping. Family EssentialsAs a tool to improve the