7 in 1 PH Meter Temp ORP Salinity TDS meter for Water Quality Tester with 0-14 Measurement Range Suitable Aquarium Swimming Pool

U.S. buyer attention: The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. But you can choose ship from China. Spanish buyers attention: If your address includes following postal code please do not choose the Spanish warehouse. The zip code starts with 35/38. Overseas warehouse cannot be delivered. But you can choose ship from China Specification: Certification: NONE Origin: Mainland China Display Type: Analog With Backlight Or Not: YES Model Number: PH Meter Is Smart Device: YES PH range: 0.00-14.00 Resolution: 0.01ph Accuracy: ± 0.5ph Temperature range: 0.1 ℃ - 60 ℃ 31.2 ℉ - 140.0 ℉ Resolution: 0.1 ℃/0.1 ℉ Accuracy: ± 0.5 ℃ Conductivity range: 0-9999us/cm, 10.01-19.99mS/cm, 20.1-400.0mS/cm Resolution: 1uS/cm 0.1mS/CM Accuracy: ± 2% F.S TDS range: 0-9999ppm, 10.1 - 200.0ppt Resolution: 1ppm Accuracy: ± 2% F.S ORP range: ± 999mv Resolution: 1mv Accuracy: ± 2mv Salinity range: 0-10000ppm, 10.1-200.0ppt, 0.01% - 25.00% Resolution: 1ppm 0.1ppt 0.01% Accuracy: ± 2% FS. 0.01-5.00% (±0.1%) 5.1-25.0% (±1%) Specific gravity range: 1.000 - 1.222 Operating environment: 0.1 ℃ - 80 ℃; Relative humidity: max. 90% Battery: 3 • 1.5V (LR44) included, low battery warning Size: 187 • 37 • 37mm Display: LCD digital display Backlight: APP control Temperature: Automatic temperature compensation 0-60 ℃ PH calibration: pH: 6.86/4.00/9.18 or 7.00/4.00/10.01 Waterproof: IP67 Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X PH Meter