Arduino pH Sensor Industrial grade pH sensor transmitter handiest. Easy and reliable unit you’ll be able to incorporate along with your process measurement of pH . Designed for continuous measurement of pH in liquids. Cable included, hooked up to the unit. Connect your same old inline or submersible pH sensor to BNC .Supplies continuous 0-5v analog output from 0-14pH for Arduino or PLC. No additional break out boards or heating parts vital.Just plug and play! Specs. Power 5-12vdc, Vary 0-14pH with .1% error. Output 0-5dc analog output from 0-14 pH Temp. Comp. No Size ABS enclosure 2 ” x 2 ” with mounting tab.