Advanced pH Meter — 850055 Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display. Also indicates stable reading, low battery and displays calibration data. Scroll 99 data points with time stamps and min/max readings directly on the backlit LCD. Features hold, up to 5 point calibration, N.I.S.T. buffer recognition, manual or automatic temperature compensation, and a USB port. In order to connect this model to a computer to stream data, you will need the USB Cable 840054 and Data Acquisition Software 840052. Comes with 4 AAA batteries. Uses optional AC Adapter (840027). Will accept any pH or ORP probe with a BNC connector.PROBE NOT INCLUDED.
Advanced pH Meter Kit — 850056 Advanced pH Meter Kit includes: Advanced pH Meter 850055 in a hard carrying case complete with a detachable temperature compensated pH probe with 3½-ft cable, pH buffers 4, 7, 10 and distilled water.