Digital pH value meter + TDS EC temperature gauge: simply immerse it in the solution for 5 seconds to accurately detect the water quality. PH and TDS meters are equipped with automatic temperature compensation (ATC) to accurate readings at different temperatures.Drinking water quality tester with high accuracy: the digital TDS meter ranges from 0-19990 measuring range and 2% accuracy as well as 0 ~ 19990 s / cm conductivity. The pH meter has a measuring range of 0.00 to 14.00 pH, an accuracy of 0.01 pH.LCD display: thanks to size, you can take it anywhere. pH meters and digital TDS meters are equipped with an illuminated display, which allows you to read the results of water quality more accurately. It is easy to use even in dark environments. Both have an automatic shut-off function that extends battery life. And you can press the CAL keyboard to calibrate the device.Easy to use and widely used: pH and TDS meters have sensitive electrode sensors, simply dip it in the solution for 4 seconds to accurately check the water quality. and easy to use, as well as illustrated instruction manual in . It is a good tool in a of applications: e.g. aquarium, pools, fishing industry, swimming pools, spa, laboratory, industry, hydroponics, agriculture, etc.Versatile applications: pH meter for pH testing different liquids. TDS water hardness meters and EC testers are designed to check the quality of liquids such as drinking water, aquariums, pools, swimming pools, spas, pond, bath water, well water, etc., which can water safety in . A professional gauge to measure the conductivity, water hardness and temperature of all liquids.size: 15.2cmMaterial: plasticcolour: red+whitePackage Contents:1 x pH meter1 x TDS EC temperature meterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.