Hach NX7500, Руководство пользователя

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Set the automatic cleaning options
Set the cleaning options on the controller.
1. On the main screen, push Options .
2. Select Cleaning .
3. Select an option.
Option Description
Cleaning activated Select to enable the automatic cleaning.
Cleaning raster Sets the cleaning interval (default: 15 minutes). The frequency of the cleaning
interval selected depends on the sample composition and the measurement
interval.
Cleaning duration Sets the time of the cleaning (default 5 seconds).
Pause before
measurement Sets the time for the hold condition after the cleaning cycle (default
10 seconds). During hold condition the measurements are stopped and the
mA outputs signals are fixed (Hold).
Use valve Select to start the automatic cleaning with a valve.
3
Use relay Select to start the automatic cleaning with a relay.
Force cleaning now Select to manually start a cleaning cycle, then push Execute .
Operation
Configure the probe
Use the Sensor menu to enter identification information, configure the measurement and to change
options for probe settings, data handling and storage.
1. From the Main menu, select Sensor .
The connected sensors and the measuring parameters of each sensor shows on the COM port
windows.
2. Select the sensor.
The measured value and the log protocol shows.
3. Select an option.
Option Description
DESCRIPTION Adds a description of the measurement site. Use the description to identify
measurement locations (e.g., Areation tank 1). The description is kept with the
measurement values in the controller data log.
AUTOMATIC
MEASUREMENT Select to enable automatic measurements.
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Refer to the controller documentation to connect valves or relays to the system.
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