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Description of Reader Unit
The reader unit is housed in a tough, durable, high impact polycarbonate case with a keypad and a colour TFT
LCD display mounted on the front panel. On the bottom of the case is a probe/charging connector. The
connector also has a polarising pin so that an incorrect connection cannot be made. Inside the reader unit a CPU
controls the operation of the instrument, the memory store data and the battery power of the instrument.
Figure 1 Water quality analyser reader unit/logger
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