The two-channel data logger pH-Log-230 measures pH-value and temperature. The miniaturised system is suited for underwater-use in rough environments and sewers with diameters 2 inches. Data logger and battery are encased in the same housing as the sensors. The housing resists sea water as well as in industrial effluent with extremely high or low pH-values. With its capability for up to 128.000 readings per channel and due to low power consumption it may record data for several months with one battery. Even without power the data will remain in the memory. A 16-bit A/D converter registers changes of 0.01 pH and 0.01 °C. Each logger comes with software DK200EA for downloading and set-up of parameters as start and end of measurement as well as time interval. The datalogger also can be used on-line with an IBM-compatible computer.
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Further information cpp 243
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