This product has been discontinued. Suggested replacement: SDL100 - pH/ORP/Temperature Datalogger
Extech 407228  

407228: Heavy Duty pH/mV/Temperature Meter Kit

Rugged pH meter with pH electrode, Temp probe and carrying case

407228 is a Heavy Duty pH/ORP/Temperature meter which simultaneously displays pH or mV and Temperature on a large 1.4 inch LCD. It features 2 point Calibration and Slope adjustments, manual and auto temperature compensation, Min/Max/AVG, Auto power off, and Data Hold. A built-in RS-232 interface can be used with optional Data Acquisition Software and Datalogger. Comes complete with mini pH electrode, temperature probe, 9V battery, protective holster, and case.