1,Indicator And Interface Design: PH sensor module with simple connection, convenient and practical. Designed with on board power indicator, BNC interface and XH2.54 interface. 2,Easy To Use: Connect the pH sensor to the on board BNC interface, connect the on board XH2.54 interface to the analog port of the controller, and conveniently measure the pH value of the solution through program control. 3,Premium Electrode: The electrode of the PH sensor is a plastic shell unfillable composite electrode combined with glass electrode and reference electrode, which is the measuring component of the PH meter. 4,Well Packed: The PH detection sensor module comes in a thick black box with a black premium sponge cushion, which fully guards the components and is generous and beautiful. 5,With Core Components: Used to measure the activity of hydrogen ions in aqueous solution, that is PH value. PH electrode probe kit, with instruction manual, convenient for users' secondary development. Item Type: PH Sensor Module Material: PCB Module Power Supply: and5.00V Module Size: Approx. 43 x 32mm or 1.7 x 1.3in Measurement Range: 0-14pH Measurement Temperature: 0-60°C Accuracy: ±0.1pH (25°C) Response Time: ≤1min 1 x PH Sensor 1 x PH Sensor Circuit Board 1 x Analog Connection Wire 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.