• Input Supply voltage (VDC): 5 
• Measuring Range: 0 – 14 PH
• Measuring Temperature0 – 50 ℃ 
• Accuracy± 0.01 pH

The PH Sensor Kit is specially designed for Arduino controllers and has a built-in simple, convenient and practical connection and features. It has an LED which works as the Power Indicator, a BNC connector and PH2.0 sensor interface. To use it, just connect the pH sensor with BNC connector, and plug the PH2.0 interface into the analog input port of any Arduino controller. If pre-programmed, you will get the pH value easily. Comes in compact plastic box with foams for better mobile storage