Check the listing for details. 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen. Color: Blue & White, Condition: New. Listed at 20.87 USD. 7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen Brand New and High QualityThe high-sensitivity probe provides you with a complete measurement range, multi-function switching at will, and data retention function.The automatic shutdown function automatically turns off the power after 5 minutes without any operation to save power. It adopts a backlit high-definition display screen to display 4-digit values and the corresponding physical quantity units.Versatile, ideal for home and laboratory pH testing applications including drinking water, swimming pools, ponds, beer brewing, kombucha, aquariums, and more. The water quality test pen is a 7 in 1 style. PH, TDS, EC, salinity, ORP, temperature, SG can be measured simultaneously with high precision.The measurement range is large and wide, which can measure freshwater salinity and sea salt, and measure water quality in all directions to ensure healthy water quality. Specifications:Type: 7 in 1 Water Quality Test PenColor: Blue & WhiteMaterial: ABSDimensions: 7.28x1.46x0.94inBattery: LR44*3 (included)Display: LCD BacklitWaterproof Rating: IP67Measuring Range: PH, TDS, EC, Salinity, ORP, Temperature, S.GPH Value: 0.01-14.00phTDS Value: 0-200000ppm/10.1-200.0ppmEC Value Water Conductivity: 0-200000㎲/cmSalinity Salinity: 0.01-20.00%; suitable intake salinity value for human body is 0.900%ORP Negative Potential: ±1999MVTemperature: 0.1-60.0°C/32.0-140°F, free switch between degrees Celsius and FahrenheitThe specific gravity of S.G seawater: 1.000-1.222Features: Automatic shutdown, large screen display, high precision,backlightApplication: Drinking water, swimming pools, ponds, beer brewing, kombucha,etc Package Includes:1x 7-in-1 Water Quality Test Pen1x Instruction Manual Listing and template services provided by inkFrog