PH Sensor Arduino NPT-PH106 Liquid PH Tester
It can be adapted to various occasions, whether it is industrial or domestic use, and the waterproof level reaches IP65.
The probe adopts composite electrodes, which can be suitable for various occasions, and is equipped with a temperature compensation sensor to monitor pH and temperature at the same time.
PH Sensor Arduino NPT-PH106 Liquid PH Tester
Other pen-type pH meters are generally IP57 waterproof, and Noble's is IP65. Not only the probe part can be soaked in water, but the body can also be soaked in water, which has better waterproof performance.