Hach 3422 Serie Manuel D'utilisation page 13

4.4.6 Exit calibration procedure
1. To exit a calibration, push the back icon.
2. Select an option, then push OK.
Option
Quit calibration
(or Cancel)
Return to calibration Return to the calibration.
Leave calibration
(or Exit)
4.4.7 Reset the calibration
The calibration can be reset to the factory default settings. All sensor information is lost.
1. Select the main menu icon, then select Devices. A list of all of the available devices shows.
2. Select the sensor and select Device menu > Calibration.
3. Select Reset to default calibration values or Reset to calibration defaults (or Reset setup),
then push OK.
4. Push OK again.
4.5 Modbus registers
A list of Modbus registers is available for network communication. Refer to the manufacturer's
website for more information.
Section 5 Maintenance
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Explosion hazard. Do not connect or disconnect the instrument unless the environment is known to
be non-hazardous. Refer to the controller Class 1, Division 2 documentation for hazardous location
instructions.
Fluid pressure hazard. Removal of a sensor from a pressurized vessel can be dangerous. Reduce
the process pressure to below 7.25 psi (50 kPa) before removal. If this is not possible, use extreme
caution. Refer to the documentation supplied with the mounting hardware for more information.
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
Description
Stop the calibration. A new calibration must start from the beginning.
Exit the calibration temporarily. Access to other menus is allowed. A calibration for a
second sensor (if present) can be started.
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