horiba U-51, Инструкция по эксплуатации

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3 Basic Operation
18
3.2 Settings
3.2.1 Setting measurement methods
This section describes how to set the measurement method.

Measurement methods

U-51/U-52/U-54

U-53
The U-53 turbidity sensor uses a tungsten lamp. The lamp lights for about 10 seconds, and
the average measurement value acquired during this interval is displayed.
Reference
“ 3.4 Measurement ” (page 63)

Operation method
1.
Press the control unit’s POWER key for about 1 second to turn the power ON.
The "MEASUREMENT" screen appears after about 10 seconds.
Note
The operation keys are designed to operate using the pad of a finger, sharp objects can tear the
control unit cover damaging the operation keys.
2. Press the right (  ) key to switch the display to the "SETTINGS" screen.
Single measurement
Pressing the MEAS key acquires the 5-second average for the selected
measurement parameter.
Interval measurement
Pressing the MEAS key acquires and saves the 5-second average for the
selected measurement parameter in the set interval. The measurement
interval can be set to any value between 10 seconds and 24 hours.
Single measurement
Pressing the MEAS key acquires the 5-second average for the selected
measurement parameter after wiper operation. The 10-second average is
acquired when measuring turbidity.
Interval measurement
Pressing the MEAS key acquires and saves the 5-second average for the
selected measurement parameter in the set interval. The 10-second
average is acquired when measuring turbidity. The measurement interval
can be set to any value between 10 seconds (final check of this value
required; 30 seconds may be better for U-52) and 24 hour.