PH and TDS Meter Combo, Digital Water Tester 0.05ph High Accuracy Pen Type pH Meter ± 3-in-1 TDS EC Temperature & Conductivity Meter PPM Meter for Home Drinking Water Hydroponics Aquarium and More

Key features

• 【How to calibrate pH pen】Press CAL key for 5 seconds to enter calibration mode, then press to select 6.86, 4, 9.18 corresponding powder to finish calibration.​It only takes a few seconds to show accurate and stable reading for the result to appear on screen.
• 【Mini size】 The mini PH and TDS meter combo designed by us allows you to easily put it in your pocket and measure it at anytime, anywhere. Whether you take it to the pool, to the beach or camping, it can help you test.
• 【Widely Application】We give a TDS meter as gifts. Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools. Basically all the environments that need to test PH value can use this tester to get accurate data.
• 【Accurate & reliable】PH meter measure range of pH 0 - 14, reliable and quick readings. 3-in-1 TDS Meter: Measurement Range 0-9990ppm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F. Note: This meter can't test sea water.
• 【EXCELLENT AFTER-SALES】 If you have any questions about the TDS Meter, please feel free to contact us and let us know how to make it better. We will provide the best after-sales service.