TDS meter: 3-in-1 TDS and Temperature Meter The 3-in-1 Professional TDS Meter helps you assess water quality and is a compact, pocket-sized water testing device. This accurate meter is suitable for various water quality testing applications including water purification, wastewater regulation, aquariums, hydroponics, laboratory and scientific testing, pools and spas, water treatment, and more. A suitable soil environment is essential for healthy plant growth. Providing optimal soil conditions, proper watering, sunlight, and nutrients supports plant development. This tester allows you to better understand your soil and improve plant care. It helps prevent common issues such as overwatering, underwatering, planting in low-light areas, and identifying soil that is too alkaline or acidic. PH Meter: How to use? Step 1: Remove the protective cap Step 2: Clean the electrode in distilled water and dry it Step 3: Turn the meter on by pressing the ON/OFF key Step 4: Immerse the pH meter electrode in the solution to be tested Step 5: Stir gently and wait for the display to stabilize Step 6: After testing, clean the electrode in distilled water and turn the meter off by pressing the ON/OFF key Product Features: Measure Range: 0.00 - 14.00 pH Resolution: 0.01 pH Accuracy: 0.05 pH Calibration: Two-point automatic calibration button Power Supply: 2 x 1.5V LR44 button batteries Weight: 50 g Temperature Range: 0.1-80.0C Conductivity Range: 0-9990 S/cm TDS Range: 0-9990 ppm TDS Accuracy: 2% Battery: 1 x 3V CR2032 (included) Dimensions: 154 x 30 x 14 mm Material: ABS Color: Yellow + Blue + Green Package Contents: 1 x PH Meter (yellow) 1 x TDS & Temperature Meter (blue) 1 x Soil Tester Kit (green) Note: Light and screen display differences may cause slight variations in color between the image and the actual item. Measurement error is 1-3 cm.