– Multifunctional water quality pen that measures pH, oxidation reduction potential ORP, hydrogen H2, and temperature. – High performance, pen shape design, quick numeric stability and precise calculation results. – 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℃ 32.0-140℉ – Temperature accuracy: ±0.5°C – Temperature resolution: 1°C/℉ – Battery: 3pcs 1.5V LR44 button batteries – Display: LCD Digital Display – Waterproof rating: IP67
