Hanna Instruments HI 4321 - Manual (Page 45)

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Make sure the instrument has been calibrated on conductivity before taking resistivity measurements.
DIRECT MEASUREMENT
To measure the resistivity of a sample using the
Direct reading
mode:
• Press
and then to select resistivity measure
mode.
• Select the Direct reading mode (see Resistivity Setup section).
• Proceed as for the conductivity measurement (see Conductivity
Measurement section).
DIRECT/AUTOHOLD MEASUREMENT
To measure resistivity of a sample using the
Direct / AutoHold reading
mode:
• Select the
Direct / AutoHold reading mode (see Resistivity
Setup section).
• Proceed as for the conductivity measurement. (see Conductivity
Measurement section)
RESISTIVITY MEASURE RESISTIVITY MEASURE RESISTIVITY MEASURE RESISTIVITY MEASURE RESISTIVITY MEASUREMENT MENT MENT MENT MENT