6 in 1 Residual Chlorine Monitor PH/ORP/EC/TDS Water Testing, Backlit LCD Display, Smart Equipment for Home Swimming Pools, Accurate and Easy to Use Water Monitor

Specifications: - Shell material: ABS - Size: About 160x90mm (6.29x3.54inch) - Working environment: -10 ℃ - 80 ℃ (14 ℉ - 176 ℉), up to 90% relative humidity - pH range: 0.1-14.0, resolution: 0.1ph, precision: ± 0.1ph - Temperature range: 0.1 ℃ - 8.0 ℃ (31.2 ℉ - 176 ℉), resolution: 0.1 ℃/0.1 ℉, accuracy: ± 0.5 ℃ - EC range: 0-1999us/cm, 10.01-20.0mS/cm, 2000-10000uS/cm, resolution: 1uS/cm, 10uS/cm, 0.01mS/cm, precision: ± 2% F.S. - TDS range: 0-999ppm, 1000-9990ppt, resolution: 1ppm, 10ppm, precision: ± 2% F.S. - Cl range: 0.1-4.0mg/L, resolution: 0.1mg/L - ORP range: ± 999mv, resolution: 1mv, precision: 15mv - Battery: 3 x AAA - Display: LCD digital display with app-controlled backlight- Automatic temperature compensation in the range of 0-60 ℃ (32 ℉ - 140 ℉) Packing list: Residual Chlorine Monitor *1, English manual *1 • 【6 in 1 Meter with Bluetooth Compatibility】: Measure pH, ORP, chlorine, EC, TDS, and temperature professionally using mobile apps. Ideal for home use, hydroponics, labs, and aquariums. • 【Cloud Data Management System】: Accurate real-time Bluetooth transmission ensures clear measurement values. Easily save, manage, and share test data on the go, worry-free. • 【Automatic pH Calibration】: Precise five-point calibration method with a high-sensitivity glass probe and included calibration powder (pH 4.00, pH 6.86, pH 9.18, pH 7.00, pH 0.01) guarantees accurate results. • 【Comprehensive Information Display】: Immersion of the pH meter electrode provides quick readings on the app. View multiple parameters simultaneously, and control the backlight display conveniently. • 【High-Precision Water Quality Tester】: Advanced algorithm chip and electrode ensure rapid and precise responses. Green backlight LCD design for readability in all conditions.