Precision 4-in-1 Water Quality Tester – pH/ORP/H2/TEMP with ATC

High Accuracy & Reliable Performance
0.005 pH resolution ensures ultra-precise hydrogen ion concentration readings. Built-in Automatic Temperature Compensation (ATC) guarantees consistent results across 0–60°C.
Durable & Professional-Grade Build
Features a shock-resistant ABS housing and corrosion-resistant platinum ORP electrode for long-term lab or field use.
Versatile Multi-Parameter Testing
Simultaneously measures pH, ORP (oxidation-reduction potential), hydrogen content, and temperature—ideal for hydroponics, aquariums, pools, and industrial water treatment.
User-Friendly Digital Display
Large backlit LCD screen shows real-time data with clear readability, even in low-light conditions.
Effortless Calibration & Maintenance
Includes pre-set calibration points (pH 4.01/6.86/9.18) and a replaceable probe for hassle-free upkeep.