Measurement procedure – Hanna Instruments HI 96821 User Manual

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Note: The last measurement value will be displayed until the next sample is measured or the

instrument is turned off. Temperature will be continuously updated.

Note: The ”ATC” tag blinks and automatic temperature compensation is disabled if the

temperature exceeds the 10-40 °C / 50-104 °F range.

Note: Temperature is not displayed in °Baumé mode.
4. Remove sample from the sample well by absorbing with a soft tissue.
5. Using a plastic pipette, rinse prism and sample well with distilled or deionized water. Wipe

dry. The instrument is ready for the next sample.

MEASUREMENT PROCEDURE

Verify the instrument has been calibrated before taking measurements.
1. Wipe off prism surface located at the bottom of the sample well. Make sure the prism and

sample well are completely dry.

2. Using a plastic pipette, drip sample onto the prism surface. Fill the well completely.

Note: If the temperature of the sample differs significantly from the temperature of the

instrument, wait approximately 1 minute to allow thermal equilibration.

3. Press the READ key. The results are displayed in unit of interest.