4-in-1 water quality tester: pH/EC/TDS/temperature for precise measurements – Ideal for aquariums and hydroponics

🔍 4-in-1: Precise and Instant Measurement – This multifunctional water quality meter simultaneously measures electrical conductivity (EC), total dissolved solids (TDS), salinity, and temperature. Ideal for aquariums, hydroponics, swimming pools, and drinking water monitoring. ⚡ High Performance and Guaranteed Stability – Factory-calibrated, highly sensitive sensors, a clear backlit digital display, a fast response time (< 2 seconds), and automatic temperature compensation (0–50 °C) guarantee reliable results every time. 🎯 Ergonomic and Ultra-Portable Design – Compact pen-style design (188 × 35 × 35 mm), lightweight and robust, perfect for outdoor use, in the lab, or at home – easily fits in any pocket or backpack. 📊 Certified Accuracy & Wide Measuring Range – Full measuring range: conductivity (0–19,990 µS/cm), total solids content (0–19,990 ppm), salinity (0–19.9 ppt), temperature (0–50 °C) with fine resolution (down to 0.01 pH, 0.1 °C, 1 ppm) and high accuracy (±2% FS for conductivity/total solids content, ±1 °C for temperature). 🔋 Convenient Power Supply & Plug-and-Play – Operates on 3 LR44 button cell batteries (1.5 V, not included, battery life up to 6 months with normal use), instant start without complicated setup – intuitive manual on/off switch. 📦 Package Contents – 1 x water quality tester, 1 x adjustment screwdriver (for calibration), 1 x user manual in French (clear and illustrated), including hard case. This product is sold by xiaosong on behalf of a third-party seller. It is a compatible product. Thank you for your understanding and support.