Learn how to use this product The EC-31-pH-5 kit comes with the pH electrode 201T-DHS, a pH buffer solution, and an electrode holder. The pH meter features a high-resolution color display that offers adjustable brightness, ensuring clear visibility in lighting conditions. It has a DHS function that automatically recognizes DHS and analog sensors and displays pH/mV and temperature values. The pH meter also offers automatic pH calibration up to three points and automatic ORP 1-point calibration. You can choose from low, medium, and high stability parameter options. The device comes with automatic and manual temperature compensation, ensuring accurate readings. Additionally, the device boasts a protection class of IP 54, which means it's dust-protected and splash-proof.