Ensure the purity and safety of your water with this advanced LCD Digital TDS Meter Tester, designed for accurate measurement of Total Dissolved Solids (TDS) in various water sources. Ideal for home use and professional applications, this water quality tester helps monitor water purifiers, filters, food and beverage quality, pools, spas, aquariums, and hydroponics systems with ease and precision. Key Features: · Wide Application Range: Perfect for testing water quality in water purifiers, filters, household tap water, aquariums, swimming pools, hydroponics, food (vegetables, fruits) and drink quality monitoring, as well as use in water laboratories, CDC, aquaculture, and hospitals. · Hold Function: Allows you to save measurements for convenient reading and accurate recording, ensuring no data is lost during testing. · Auto-Off Function: Automatically powers off after 10 minutes of inactivity to conserve battery life, enhancing efficiency and reducing maintenance. · Temperature Measurement with Dual Units: Easily switch between Fahrenheit and Celsius by pressing the "TEMP" button, providing flexible temperature readings from 0-80℃ (32.0-176.0℉). · High Measurement Range and Accuracy: Measures TDS levels from 0 to 9999 ppm with 1 ppm resolution up to 1000 ppm and 10 ppm resolution above 1000 ppm, factory calibrated for reliable and precise results with ±2% accuracy. · Compact and Portable Design: Made with durable plastic shell, available in yellow, grey, and red, the meter is lightweight (68g) and sized approximately 15.5 x 3 x 1.6 cm (6.1 x 1.1 x 0.6 in), making it easy to carry and use anywhere. Specifications: · Condition: 100% Brand New · Shell Material: Plastic · Color Options: Yellow, Grey, Red (optional) · Measurement Range: 0–9999 ppm · Temperature Range: 0–80℃ / 32.0–176.0℉ · Accuracy: ±2% · Battery: 2 x 1.5V LR44 Button Cell Batteries (not included) · Size: Approx. 15.5 x 3 x 1.6 cm (6.1 x 1.1 x 0.6 in) · Package Weight: 68g Water Quality Reference Guide: · 0–50 ppm: High Purity Water · 50–100 ppm: Pure Water · 100–300 ppm: General Pure Water · 300–600 ppm: Water with Scale Incrustation · 600–1000 ppm: Bad Taste Water · Above 1000 ppm: Not Suitable for Drinking Package Includes: · 1 x Water Quality Tester (batteries not included) This reliable and easy-to-use TDS meter tester is an essential tool for anyone looking to ensure clean, safe, and healthy water for drinking and other uses. Its versatile features and accurate measurements make it suitable for both domestic and professional water quality testing needs.