Ensure the purity and safety of your water with this high-precision LCD Digital TDS Meter Tester, designed for accurate measurement of total dissolved solids (TDS) in various water sources. Ideal for use in water purifiers, filters, aquariums, pools, spas, hydroponics, and food quality monitoring, this versatile tester helps you maintain optimal water quality for health and safety. Key Features: · Wide Application Range: Perfect for testing water quality in water purifiers, food and drink monitoring (vegetables, fruits), pools, spas, aquariums, hydroponics, water laboratories, aquaculture, hospitals, and household tap water. · Accurate TDS Measurement: Measures TDS levels from 0 to 9999 ppm with a resolution of 1 ppm up to 1000 ppm, and 10 ppm resolution from 1000 to 9999 ppm, factory calibrated for reliable results. · Hold Function: Allows you to save measurement readings for easy viewing and recording, enhancing convenience during testing. · Auto-Off Feature: Automatically powers off after 10 minutes of inactivity to conserve battery life, ensuring long-lasting use. · Temperature Measurement: Equipped with a temperature function that can be toggled between Fahrenheit and Celsius by pressing the "TEMP" button, covering a range of 0-80℃ (32.0-176.0℉). · Compact and Portable Design: Lightweight and easy to handle with dimensions approximately 15.5 x 3 x 1.6 cm (6.1 x 1.1 x 0.6 in), making it ideal for both professional and home use. · Durable Construction: Made with a sturdy plastic shell available in multiple colors (yellow, grey, red), providing durability and style. Specifications: · Condition: 100% Brand New · Material: Plastic · 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 · 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 Incrustation Scale · 600~1000 ppm: Bad Taste Water · Above 1000 ppm: Water Not Suitable for Drinking Package Includes: · 1 x Water Quality Tester (battery not included) This LCD Digital TDS Meter Tester is an essential tool for anyone seeking to monitor and ensure water quality effectively. Its precise readings, user-friendly features, and versatile applications make it a reliable choice for both professional environments and everyday household use. Maintain safe and clean water with this convenient and accurate water quality tester.