Portable PH Meters Pen, Digital PH Meter Digital PH Test Pen with 0-14 PH Measurement Range, for Household Drinking, Hydroponics, Pool and Aquarium

Highlights

• [High Accuracy] Ensure your pool, general hydroponics PH or even drinking water has a perfect PH balance and safe for use with tester precision ph accuracy.
• [Fast and Accurate Readings] Just turn it on, dep in liquid and read display, no need to work with color charts or test strips.
• [Auto Calibration] Press "ON" button and immerse it in the "4.01"or"6.86"calibration powder packets solution beaker (should under 25°C), after value steadily,
• [ATC Function] Built in automatic temperature compensation function(ATC), the PH meter pen can be adjusted and measure the
• [Wide Use] PH reader for water with high quality glass PH probe, is suitable for multiple occasions, such as testing Ph balance of drinking water, pool, aquarium