Battery-free TDS water quality detector (yellow)--DTEKGAZ

Versatile applications: This digital TDS meter is ideal for monitoring water quality in water purifiers and filters, checking the freshness of food (fruits, vegetables) and beverages, as well as in swimming pools, hot tubs, aquariums, and hydroponic systems. Convenient HOLD function: Instantly locks the reading displayed on the LCD screen for easy viewing and recording, even under challenging conditions or when you're on the go. Smart auto-shutoff: The device automatically shuts off after 10 minutes of inactivity to conserve battery power – perfect for worry-free daily use. Easy °C/°F conversion: Simply press the TEMP button to switch between Celsius and Fahrenheit – depending on personal preference or local regulations. Wide and precise measuring range: From 0 to 9,999 ppm with a resolution of 1 ppm (up to 999 ppm), then in 10 ppm increments (displayed in 10-ppm steps). Factory calibrated. Guarantees reliable results from the first use. Proven professional applications: Reliably used in water laboratories, the Centers for Disease Control and Prevention (CDC), aquaculture, hospitals, public and private swimming pools, and for monitoring household drinking water quality. Technical specifications: Temperature range: 0–80 °C / 32–176 °F; Accuracy: ±2%; Power supply: 2 x 1.5 V LR44 button cell batteries (not included); Dimensions: approx. 15.5 × 3 × 1.6 cm; Gross weight: 68 g; Housing material: durable plastic; Available colors: yellow, gray, or red (depending on stock). Helpful hints for interpreting results: 0–50 ppm = ultrapure water; 50–100 ppm = pure water; 100–300 ppm = generally pure water; 300–600 ppm = risk of limescale buildup; 600–1000 ppm = altered taste. Over 1000 ppm = drinking water is not harmful to health – for an informed decision at a glance. Package contents: 1 × water quality tester (batteries not included). This product is sold by xiaosong on behalf of a third-party provider. It is compatible. Thank you for your understanding and support.