horiba U-51, Инструкция по эксплуатации

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3 Basic Operation
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3.
Submerge the sensor probe in the sample, gently shaking them in the sample to
remove any air bubbles from the sensors.
If the sample is non-flowing, move the cable slowly up and down (move the sensor probe
at a rate of roughly 20 to 30 cm a second) to ensure that fresh sample is continuously
supplied to the DO sensor.
4. When the non-turbidity meter measurement values are stable, press the MEAS key
to start the sequence above.
5. When the sequence has finished, hold the measurement values. Press the ENTER
key to store the held measurement values, or press the ESC key to cancel the
operation.
3.4.2 Automatic, continuous measurement

Interval measurement
1.
Select the "Interval measurement" measurement setting (see “ 3.2.1 Setting
measurement methods ” (page 18)).
2.
Press the up (

) and down (

) keys to set the interval value to the desired value
(U-51/U-52/U-54: minimum interval: 10 seconds, U-53: minimum interval: 30
seconds), then press the ENTER key.
The measurement screen appears automatically, and the system becomes ready for
measurement.
3. Check that each sensor and sensor guard is mounted.
4.
Submerge the sensor probe in the sample, gently shaking them in the sample to
remove any air bubbles from the sensors.
If the sample is non-flowing, move the cable slowly up and down (move the sensor probe
at a rate of roughly 20 to 30 cm a second) to ensure that fresh sample is continuously
supplied to the DO sensor.
5. Press the ENTER key to start measurement.