RK120-02 Ultrasonic Wind Speed & Direction Sensor is a testing instrument for measuring wind speed and wind direction by testing the ultrasonic propagation time difference in the air.
The economic ultrasonic wind sensor RK120-03 is a fully digital detector with high precision.
The soil contains many substances such as organic acid, inorganic acid, alkali and salt, due to the different content of various substances, so the soil shows a different pH value. Usually, the pH in the soil range 6.5-7.5 is called neutral soil. The RK500-02 pH sensors measure the pH value and are a good solution without the need for professional...
The RK500-06 ORP sensor is a simple and cost-effective solution for a wide variety of wastewater and process applications.