2023 Hot Aquarium Tester Phomemo Hydroponic Swimming Pool Ph Ph Meter Hydroponics 8 IN 1 Digital Water Quality PH Test Pen Description: Name: 8-IN-1 Water Quality Test Pen with Backlight Function: Salinity/S.G/PH/H2/TDS/ORP/EC/TEMP Size: 178 * 26mm Measuring range: 1. PH 0-14 2. TDS value 0-200000ppm 3. EC value 0-200000 /cm 4. Salinity 0-20% 5. ORP negative potential 1999MV 6. H2 hydrogen rich 0-2400PPb 7. S. G Specific gravity of seawater 1.000-1.222 8. Temperature 0-60 Specifications: 8-in-1 Water Quality TesterDigital pH tester has the functions of monitoring Salinity/S.G/PH/H2/TDS/ORP/EC/TEMP measurement. High AccuracyHigh-accuracy algorithm chip and electrode of our digital water ph tester ensure an accurate and fast response. When the measured value is stable, just press the HOLD/TEMP key to lock the measured value and take it out for viewing, which is really simple. Two Salinity MetersDigital PH meter can detect the salinity of edible salt. At the same time, it can detect the salinity of seawater. Food salinity measuring range: 0.00-20.00%, S.G sea water proportion 1.000-1.222 Automatic power-off function & large screen displayPH tester has a backlight LCD that helps you clearly see the measurement in any case. Temperature MeasurementLong press to switch the temperature unit, short press to keep the data. Package Included: 1* Digital Water Quality PH Test Pen 4* Buffer Powder