4-in-1 Water Quality Tester, High Precision, Clear Reading, Digital Green Backlight for Temperature, pH, TDS, and EC Testing

Features:1.4-in-1 Functionality: This water quality tester is a versatile meter that measures pH, EC (electrical conductivity), TDS (total dissolved solids), and temperature, eliminating the need for multiple devices.Easily switch between readings by simply pressing the MODE or CAL button.2.Easy Calibration: The digital water tester supports automatic pH calibration using a 3-point calibration process with 4.00, 6.86, and 9.18.Calibration powder (4.00, 6.86, 9.18) is included to meet your calibration needs.The EC and TDS meters are pre-calibrated.3. Clear and practical readings: Equipped with a large LCD screen with green backlight, you can easily read pH, TDS, and EC measurements even from unconventional angles or in low-light conditions.Use the HOLD TEMP button to lock readings for easy recording.4.Stable and accurate measurements: Made with advanced technology, the pH meter offers enhanced stability and accuracy.Its Automatic Temperature Compensation (ATC) function (32-122°F) ensures consistent readings, even with temperature fluctuations.5.Versatile use: Ideal for testing pH, EC, TDS, and hydroponic water temperature levels, ensuring an optimal testing range. It is widely applicable to DWC systems, RO/DI water, drinking water, tap water, beer, wine, milk, home brewing, swimming pools, aquariums, coral reef tanks, hot tubs, aquaculture, etc.Specifications:Item Type: Water Quality TesterMaterial: ABSLength: approx.18 cm/7.09 inchesBattery: 3 x 1.5V LR44 batteries (not included)Temperature range: 0.0 -60 ℃ (32.0 -140 ℉)TDS range: 0-10,000 ppmPH range: 0.00-14.00 pHEC range: 0-10,000 US/cmTemperature resolution: 0.1 ℃; 0.1°F TDS Resolution: 1 ppmPH Resolution: 0.01 pHEC Resolution: 1 US/cmTemperature Accuracy: ± 0.5°CTDS Accuracy: ± 2% F.S.PH Accuracy: ± 0.05 pHEC Accuracy: ± 2% F.S.How to Use:Install 3 x 1.5V LR44 batteries (batteries not included) and turn on the machine.Refer to the instruction manual for further use.Package List:1 x Water Quality Test Pen3 x Test Bags1 x Accessories1 x User Manual