OM-CP-PHTEMP2000 series is a battery powered, stand alone pH and temperature data logger with a large LCD display. This product logs data in real-time and features programmable engineering units, programmable start-time, and automatic temperature compensation. This CE marked data logger offers NIST Traceable Calibration. The OM-CP-PHTEMP2000 works with Omega’s PHE-4200 series of pH probes. This product is ideal for measuring pH of storm water runoff or drainage.