pH value test pen, portable pH tester, pH water quality tester (yellow)

pH Meter: A very complete water quality detector, small in size, lightweight, and easy to carry! High precision: The pH meter's range is 0.00 to 14.00 (pH), with an accuracy of ±0.01 pH and an error of ±0.05 pH. The display provides reliable and quick readings. Easy to calibrate: The pH meter automatically calibrates itself in three points. No tools are required; simply remove the protective cap and immerse the pH meter's electrode in the solution. Press "ON/OFF" to turn on the electronic pH meter, stir gently, and wait a few seconds for the reading to stabilize. Wide range of applications: Suitable for water quality testing in homes and laboratories, including drinking water, electroplating baths, aquarium water, swimming pool water, well water, deep diving, aquaculture, food processing, etc.