Battery-Free TDS Water Quality Detector (Yellow)

Versatile Uses: This digital TDS tester is ideal for monitoring water quality in purifiers and filters, checking the freshness of food (fruits, vegetables) and beverages, as well as in swimming pools, spas, aquariums, and hydroponic systems. Convenient HOLD Function: Instantly locks the measurement displayed on the LCD screen for easy reading and recording, even in demanding environments or while on the go. Intelligent Auto-Off Function: The device automatically shuts off after 10 minutes of inactivity to conserve battery power—ideal for worry-free daily use. Easy °C/°F Conversion: Simply press the TEMP button to switch between Celsius and Fahrenheit scales, suitable for personal preference or local regulatory requirements. Wide and Accurate Measuring Range: From 0 to 9,999 ppm with a resolution of 1 ppm (up to 999 ppm), then 10 ppm beyond (display). ×10), factory calibration guaranteed for reliable results from the first use.

Applications

Recognized professional applications: Trustedly used in water testing laboratories, Centers for Disease Control and Prevention (CDC), aquaculture, hospitals, public and private swimming pools, and for home tap water quality monitoring.

Technical Specifications

Temperature range: 0–80 °C / 32–176 °F;

Accuracy: ±2%;

Power supply: 2 x 1.5V LR44 button cell batteries (not included);

Dimensions: approx. 15.5 × 3 × 1.6 cm;

Gross weight: 68 g;

Case material: durable plastic;

Available colors: yellow, gray, or red (depending on stock). Practical guide to interpreting results: 0–50 ppm = ultra-pure water;

50–100 ppm = pure water;

100–300 ppm = generally pure water;

300–600 ppm = risk of limescale buildup;

600–1000 ppm = altered taste; >1000 ppm = unsafe to drink — for informed decision-making at a glance.

Package contents

1 × water quality tester (batteries not included). This product is sold by xiaosong on behalf of third parties. This is a compatible product. Thank you for your understanding and support.