Profeional TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester for PoolsDrinking Water Aquariums Bullet Points: 15-in-1 Water Quality Tester: The digital pH tester has the functions of TDS, pH, salinity, EC meter, temperature measurement and monitoring. TDS measurement range: 0-1000 ppm, EC measurement range: 0-10,000 US/cm, pH measurement range: 0.01-14.00 pH, salinity meter measurement range: 0.00-25.00%, temperature conversion function. 2High Precision: The high precision algorithm chip and electrode of our digital water pH tester ensure accurate and fast response. When the measured value is stable, just pre the Hold/TEMP key to lock the measured value and pull it out for viewing, which is very simple. 3Two Salinity Meters: The digital pH meter can detect the salinity of edible salt. At the same time, it can detect the salinity of seawater. Food salinity measurement range: 0.00-25.00%, sea water salinity measurement range: 10.1-200.0 ppt. 4Auto-off Function and Large Display: The pH meter has a backlit LCD screen, which can help you clearly see the measurement results in any situation. The automatic shutdown function will turn off the power after 5 minutes of inactivity to save power. It uses a fully transparent liquid crystal (LCD) to display 4-digit values and corresponding physical quantities. 5Automatic Temperature Compensation: The temperature will affect the reading level. The hydroponic digital pH meter has a better range of 32.0F to 140.0F (32F-140F). The compensation automatic temperature control can ensure you get the best reading, so You can confidently test in any environment. Description: Stepsforusage: 1.Pullouttheelectrodeprotectioncoverbeforeuse. 2.Pretheswitchtoturnonthepower,andthenputtheelectrodeintothetestsolution. 3.Whenthevalueitable,prethebuttontofixthemeasuredvalue,thentakeoutthemeterandreadthemeasuredvalue. 4.Afteruse,pretheshutdownbutton,cleanthemeter,andinserttheelectrodeintotheelectrodeprotectioncover. Specification: Material:ABS Screensize:about33*24mm/12.99*9.45in Overallsize:about183*37*37mm/7.2*1.46*1.46in Weight:about170g TDSmeasurementrange:0-1000ppm ECmeasurementrange:0-10000US/cm PHmeasurementrange:0.01-14.00pH Measuringrangeoftablesalinity:0.00-25.00% Themeasurementrangeofseawatersalinity:10.1-200.0ppt. Accuracy:0.01-5.00%(0.1%) 5.01-25.00%(1%) Display:supportbacklight Waterproofrating:IP67 PackingList: 1*WaterQualityTester(built-inthreebuttonbatteries) Onlytheabovepackagingcontent,otherproductsarenotincluded. Note: 1.Duetothedifferenceincameraequipment,lightbrightneanddisplay screen,thecoloroftheitemmaybeslightlydifferentfromthepicture. 2.Duetomanualmeasurement,pleaseallowadifferenceof0.1-2cm.