1.Versatile Digital Water Quality Tester: This portable and compact device is perfect for measuring vital water parameters like PH, TDS, EC, SALT, TEMP. It offers precise readings, making it ideal for various applications such as drinking water testing or aquarium maintenance. 2.Temperature Compensation Feature: The digital water tester comes with integrated temperature compensation, ensuring accurate results even in fluctuating temperatures. Perfect for environments where precise water quality monitoring is essential. 3.LCD Digital Backlight Display: Featuring a clear LCD backlight screen, the digital water quality tester makes data easy to read, even in low light conditions. Its intuitive design ensures hassle-free operation for both beginners and experts. 4.Replaceable Glass Electrode and Calibration: Maintain optimal performance with the digital water quality tester's replaceable glass electrode and easy calibration process. This ensures long-lasting reliability for diverse testing needs. 5.Wide Application Range: Ideal for use in drinking water, aquariums, agriculture, laboratories, pools, spas, pure water, and hydroponics, the digital water quality tester offers versatility across various water testing scenarios. Please note:1. When testing water quality, be careful not to measure directly in the air, but put the product probe into the water and stir it gently several times to easily obtain accurate . Avoid too high a water level during testing, which may cause water to enter the probe from the screen and cause damage. 2. Do not collide with the probe to avoid damaging the electrode. 3. Before each measurement and calibration, rinse the probe with clean water and wipe it clean with a towel before measuring. 4. Battery type: 3x1.5V (LR44) button batteries (batteries not included) Measurement range: PH: 0.00-14.00pH; TDS: 0-10000ppm; EC: 0-10000us/cm; Salinity: 0%-20%; 0-10000ppm; 10.1-200ppt Resolution: 0.01 PH; 1ppm; /cm; 0.1C; 0.1F Measurement accuracy: PH: 0.05 PH; TDS/EC: 2%F.S; Temperature: 0.5C Temperature: 0.0C - 60C (32.0F - 140F) Calibration: pH: three-point automatic calibration (6.86, 4.00 and 9.18pH); TDS: 1413S/cm; EC: 1413S/cm (without calibration fluid) Automatic shutdown: 5 minutes Color: Black Material: plastic Package Contents: 1 x Digital Water Quality Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.