Atyhao TDS Meter Digital Water Tester Portable LCD Digital TDS Tester Meter Water Quality Testing Pen 1?9999ppm for Aquarium Testing RO Drinking Water Hydroponics Aquarium Swimming Pool

Feature:1. The TDS meter tester can be used in water purifiers and filters, food (vegetable, fruits) and drink quality monitoring, pools and spas, aquarium, hydroponics etc.2. With data hold function, saves measurements for convenient reading and recording.3. Auto?off function, turns off meter after 10 minutes of non?use to conserve batteries.4. Press "TEMP" button can shift temperature meter between fahrenheit degree and centigrade degree.5. Applicable industries: water laboratories, CDC, the aquaculture industry, hospitals, swimming pools, household tap water quality testing.Specification:Condition: 100% Brand NewItem Type: TDS MeterMaterial: ABSColor: As shown in the pictureSize: Approx. 15.1x2.9x1.4cm / 5.9x1.1x0.6in Weight: Approx.66g/2.3ozMeasurement Range: 1-9999ppmAccuracy: ± 2%Resolution: 1ppmBattery: 1 x CR2032 button battery(Not included)Calibration: manufacturer's 342PPMNACL solution calibrationPackage List:1 x TDS Meter(Battery Not Included)1 x Chinese ManualNote:1. Please allow 1?2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.