HEDAO BLE-9908 4-in-1 Smart Bluetooth pH/EC/TDS Tester

Precision Measurement
Features high-accuracy sensors for pH (0.01 resolution), EC (0-9990 µS/cm), and TDS (0-9990 ppm) with 5-point calibration for lab-grade results.
Bluetooth Smart Connectivity
Syncs with iOS/Android via Bluetooth for real-time data tracking and analysis, ideal for hydroponics, aquariums, and scientific research.
Durable & Portable
Waterproof (IP67) ABS casing with reinforced probe housing for rugged use in labs, farms, or outdoor testing.
Multi-Application Ready
Perfect for agriculture, water quality monitoring, home brewing, and pool maintenance with automatic temperature compensation (0-50°C).
User-Friendly Design
Large LCD with backlight, replaceable electrodes, and long battery life (100+ hours) for hassle-free operation.