Description: High Sensitivity: This PH Value Acquisition Sensor Module offers precise detection accuracy and stability for monitoring water in various settings Analog Output Signal: With 4PC M3 Mounting Holes, this Sensor Module provides easy installation and maintenance for pH value testing in soil and water Effortless Monitoring: The Monitoring Controller Tester BNC PH Electrode Probe is suitable for Arduino, providing real-time data acquisition and control for acid-base concentration Wide Application: This Detection Regulator is compatible with a liquid pH value range of 0-14, making it for monitoring and controlling pH levels in different environments Reliable Performance: The Soil Water Sensor Module ensures precise and consistent results, offering high sensitivity and stability for accurate pH value testing Specification: Color: As Shown. Material: PCB. Size: Approx 21.5*9*4CM/8.46*3.54*1.57inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Single module: 1* PH test module Single probe: 1* probe 1* buffer solution 1* instruction manual 1* color box Module probe set: 1* PH test module 1* probe 1* buffer solution 1* instruction manual 1* color box