Hach FL900 Series, Basic User Manual

Page: 22 / 256

b. Select the interval from the drop-down list. The primary logging interval is used for normal
operation. The secondary logging interval is used during alarm conditions.
Note: The logging interval cannot be set for an individual sensor channel.
5. Click WRITE TO LOGGER to save the settings. A message window is shown:
Option Description
Warning: all data
will be lost.
Continue? All data that is stored in the logger is erased when a program is written to the logger.
To save the data, select No and download the data to a safe location. Select Yes to
erase all data and update the logger with the new program.
Set Logger Clock Synchronize to Computer Clock—the logger uses the date and time settings of the
computer. Set Logger Clock—the logger uses the date and time settings that are set
by the user. If the unit has a modem, the logger automatically uses the date time
settings of the server.
Calibrate the sensor with the Cal Wizard
Pre-requisite: The logger must be connected to the computer and must be online for calibration.
The sensor can be configured and calibrated with the calibration wizard.
1. Click the Sensors tab.
2. Click on Sensor Port[1] (sensor name).
3. Click on the CAL WIZARD button. The Calibration Wizard window opens.
4. Select the options on each screen. When the Calibration Complete screen is shown, click
FINISH .
5. Click WRITE TO LOGGER to save the settings. A message window is shown:
Option Description
Warning: all data
will be lost,
Continue? All data that is stored in the logger is erased when a program is written to the logger.
To save the data, select No and download the data to a safe location. Select Yes to
erase all data and update the logger with the new program.
Set Logger Clock Synchronize to Computer Clock—the logger uses the date and time settings of the
computer. Set Logger Clock—the logger uses the date and time settings that are set
by the user. If the unit has a modem, the logger automatically uses the date and time
settings of the server.
The installation is complete. The Status light should flash green if the programming was successful.
Site installation
W A R N I N G
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Hang from a cable
N O T I C E
Do not use the handles to hang the logger. The handles are not designed to hold the weight of the logger.
The logger can hang from a cable for installation in an area such as a manhole.
1. Connect a cable to the eye bolts on the top of the logger. Refer to Figure 13 .
2. Hang the cable from a strong support such as an optional spanner bar.
22 English