Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si your family's well-being with our TDS Water Quality Test Pen. The LCD display instantly reveals TDS and temperature, ensuring pure drinking water.Get one-second results with our smart-chip-enabled pen. The titanium alloy probe guarantees accurate readings, free from electromagnetic interference, for pure and safe water. Our Mineral Content Test Pen provides quick mineral . The light brightness indicates different mineral levels, offering instant water quality assessments.Carry our compact pen for portable water quality checks. Safeguard your family from potential health risks linked to poor water quality.Our PH Test Pen ensures precise pH readings with automatic temperature compensation. It's compact, efficient, and perfect for diverse applications. 3-in-1 multifunctional test pen with one stroke, TDS value represents the total soluble solid content in water, which can reflect the water quality to a certain extent, Generally, the lower the TDS value, the less soluble salts such as heavy metal ions in the water, and the purer the water quality, The conductivity of pure water ranges from 0 to 10s/cm.The conductivity of drinking water ranges from 0 to 50us/cm;The conductivity of general household tap water is between 125 and 1250 s/cm LCD screen digital display, The water quality value and temperature value are displayed on the same screen for easy reading and clear value, Built-in low power Mini smart chip, Read the value in one second, Accurate detection, numerical stability, Titanium alloy electrode probe, Free from electromagnetic interference, High detection accuracy, reduce error, mineral content test pen, The mineral content of the water can be determined by the degree of light Minerals are conductive media, from a certain point of view, reflecting the mineral content in the liquid. Light brightness represents mineral content Pure Water No conductive medium Light is not bright Mineral Water Containing a small amount of minerals The light is dimmer. Energy Water Containing a number of minerals water Light is very bright High sensitivity copper probe Special material copper probe, the signal transmission is accurate and fast Streamlined pen cover Close to the nib design The streamlined cap protects the nib from breaking Water quality testing is visible at a glance A test will know whether the water quality is good or not according to the lighting situation intuitively know Back clip design Small appearance, back with a clip design easy to carry Light and portable to detect water quality at any time Colour:As Shown Material:ABS Package Contents: 1 set x smart water meter Only the above package content, other products are not included. Note: Light reflection 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.