Battery-free TDS water quality meter for analyzing minerals and impurities

High-quality ABS material: Environmentally friendly, corrosion-resistant, and extremely durable for daily use in the lab or in the field. Intelligent hold function: Automatically locks the displayed reading for easy viewing and recording, even under demanding conditions. Large, waterproof LCD display: Clear display, easily readable from any angle, and splash-proof – ideal for humid environments such as swimming pools or aquariums. Automatic temperature compensation (ATC): Automatically converts the reading to the standard SDT value at 25°C, ensuring reliable accuracy regardless of the test medium. Intelligent power-saving mode: Automatically switches off after approximately 10 minutes of inactivity – significantly extending battery life. Versatile and professional applications: Perfect for water analysis laboratories, aquaculture, swimming pools, home and professional aquariums, and continuous quality control. Measuring range: 0–9990 ppm with a resolution of 1 ppm (0–999 ppm) and 10 ppm (1000–9990 ppm). Measurement accuracy: ±2% of full-scale reading – meets the requirements of demanding users. Operating temperature: 0°C to 50°C – suitable for indoor and outdoor use. Power supply: 2 x 1.5V button cell batteries (not included) – easily replaceable and readily available. Dimensions and weight: Approx. 14.3 × 2.4 × 1.4 cm, only 50 g – extremely portable and ideal for travel. Package contents: 1 x water quality tester (batteries not included). This product is sold by xiaosong on behalf of a third-party seller. It is compatible. Thank you for your understanding and support.