Fangrui Product Details Fangrui Product Details Fangrui Product Details : 1.6-in-1 Meter Bluetooth-compatibility: Driven By Mobile Applications, It Can Professionally Measure Ph, Orp, Chlorine, Ec, Tds And Temperature. It Is Applicable To Domestic Drinking Water, Hydroponics, Laboratories And Aquariums. 2.cloud Data Management System: Accurate Real-time Bluetooth Data Mission, With Clear Measurement Values. Allows You To Save, Manage, And Share Test Data At Your Fingertips Without Worrying About Data Loss. 3.automatic Calibration Of Ph Tester: High Sensitivity Glass Probe Is Used. Compared With Other Ph Meters, Ph Is A Three-point Calibration Method. Our Ph Is A Five Point Calibration Method And Is Equipped With Calibration Powder (ph 4.00, Ph 6.86, Ph 9.18, Ph 7.00, Ph 0.01). You Can Easily Calibrate To Ensure The Accuracy Of The Measurement. 4.comprehensive Information Display: Just Immerse The Ph Meter Electrode In The Solution To Be Measured, And The Reading Can Be Quickly Displayed On The App. Multiple Parameters Are Displayed At The Same Time, And The Mobile Ph