LaMotte TRACER POCKETESTER TDS - Manual (Page 13)

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5. The calibration range indicator will appear on the display for each range
that is calibrated during a power on cycle.
NOTE: Each time the calibration mode is entered all calibration range indicators
will be cleared, but only the calibration data for the currently selected range will
be replaced. In the conductivity/TDS modes, the calibrations for the other two
ranges will be saved even though the indicators for those ranges are no longer
displayed. Calibration of all three ranges must be performed during one power
on period for all three calibration range indicators to be displayed.
Low Range, 84 μS/cm
Medium Range, 1413 μS/cm or 3,000 ppm SaH
High Range, 12.88 mS/cm (12,880 μS/cm)
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