Features: <br> <br>Made of high-quality materials, it is durable and practical. <br>With LCD high-definition display and backlight function, it can easily cope with the night environment. <br>Large capacity button battery with built-in 4 LR44 1.5V button battery for durability and easy replacement. <br>The probe is replaceable and easy to replace and easy to use. <br>Ergonomically designed for non-slip design on both sides of the product. <br>This product has high precision and stable operation. It can measure the pH value of the solution and display the temperature of the liquid to be tested. It is widely used in industries, wastewater, agriculture, medicine, food, scientific research and environmental protection. <br> <br>Specifications: <br>Condition: 100% Brand New <br>Material: Plastic <br>Conductivity measuring range: <br>0μS-1999μS <br>2.00mS~19.99ms <br>TDS measuring range <br>0ppm~1999ppm <br>0ppt~19.99ppt <br>Conductivity/TDS measurement error: ±3NFS±1digit <br>Instrument Repeatability: 1μs/0.01mS <br>Solvent temperature compensation range: 0℃~60℃ <br>Temperature accuracy: ±1℃ <br>Power Supply: Lr44 button type battery * 4 (Battery not included) <br>Display: Large LCD segment type display <br>Working temperature range: 0℃~50℃ <br>Size: approx. 75*55*28mm / 3*2.2*1.1in <br> <br>Package list: <br>1 * Water Quality Tester (Battery not included) <br>1 * Instruction Manual<br>1、Made of high-quality materials, it is durable and practical <br>2、With LCD LCD high-definition display and backlight function, it can easily cope with the night environment <br>3、Large capacity button battery with built-in 4 LR44 1.5V button battery for durability and easy replacement <br>4、The probe is replaceable and easy to replace and easy to use <br>5、Ergonomically designed for non-slip design on both sides of the product