Yy 400s Water Quality Meter

- Multifunctional water quality pen that measures pH, oxidation reduction potential ORP, hydrogen H2, and temperature. - Wide range of uses, can be used to test water, swimming pools, spas, hydroponics, food, wine and beer, etc. - Equipped with high-quality Ti alloy probe and automatic temperature compensation (ATC) to maintain accurate readings at various temperatures. - Easy to use. - PH Test Range: 0.01-14.00pH - Resolution: 0.01pH - Accuracy: ±0.05pH - ORP Test Range: ±1200mV - Resolution: 1mV - Accuracy: ±2mV - H2 Test Range: 0-2400ppd; 0.001-2.400 - Resolution: 2ppb; 0.02 ppm - Accuracy: ±10ppb; ±0.01ppm - Temperature test range: 0-60°C 32.0-140°F - Temperature accuracy: ±0.5°C - Temperature resolution: 1°C/°F - Battery: 3pcs 1.5V LR44 button batteries - Display: LCD Digital Display - Waterproof rating: IP67