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This SD series pH and ORP datalogging meter is capable of measuring 0.00 to 14.00 pH and 0 to 1999 mV (ORP). The SD-230 features automatic temperature..

This SD series sound level meter has triple range measurement and features user selectable sampling rates from 1 to 3600 seconds. Using an SD card (up..

This Automatic Temperature Compensation (ATC) probe connects to the SD-230 pH/ORP Datalogger for increased accuracy.