4-in-1 Water Quality Tester pH TDS EC Temperature with Backlight, Battery-Free

Large, ultra-readable display: Clear and crisp display for instant reading of measured values, even in low light conditions. Highly versatile 4-in-1 tester: Simultaneous measurement of pH, total dissolved solids (TDS), electrical conductivity (EC), and temperature—all in one compact device. Optimal accuracy thanks to automatic 3-point calibration: Advanced technology ensuring reliable and reproducible results, ideal for demanding applications. Lightweight and ultra-portable design: Low weight (approx. 160 g) and compact dimensions (18 × 3.5 × 3.5 cm), perfect for both indoor and outdoor use. Versatile use and suitable for many environments: Ideal for gardens, home aquariums, amateur laboratories, farms, or hydroponic system maintenance. Automatic temperature compensation (0–60 °C): Real-time corrected measurements for greater reliability, regardless of ambient conditions. Power supply by Button cell batteries (3 × 1.5 V, not included): Standalone operation with automatic shut-off after 5 minutes of inactivity to conserve battery power. Extended measuring range and fine resolution: pH: 0.00–14.00 (resolution 0.01, accuracy ±0.05); TDS: 0–19,990 ppm (resolution 1 ppm, accuracy ±2%); EC: 0–19,990 µS/cm (resolution 1 µS/cm, accuracy ±2%); Temperature: accuracy ±0.5 °C. Robust material and ergonomic design: Shock and splash resistant ABS housing, fine workmanship, and colors true to the official photos. Package Contents: 1 × Multifunctional Water Quality Tester. This product is sold by xiaosong on behalf of a third party. It is a compatible product. Thank you for your understanding and support.