Insten - Digital pH Meter Tester Pen for Water Hydroponics, High Accuracy, Pocket Size, 0-14 pH Measurement Range

Digital PH meter measures the acidity or alkalinity of your solution. Measurement range is from 0.00 to 14.00. It is widely applicable for various tasks such as testing pH level of tap water, swimming pool water, aquarium, drinking water, and much more. Electrode sensor is sensitive and highly accurate. It is trusted to give the most precise pH level reading. Results are fast, and only takes a few seconds for the reading to appear. Straightforward operation with no complicated steps. Simply turn the meter on, submerge in the solution, and wait for 30 seconds! Portable size allows you to slip it in your bag easily so you can carry it anywhere you go. Equipped with complete operation and calibration instructions that is easy to follow. Package also includes calibration kit. Other features include auto off function and low battery indicator. * Dimensions: 6” x 1.2” x 0.6” * Color: Yellow * Note: Only for solution temperature of 32°F - 140°F.