Endress+Hauser CA76NA, Руководство по эксплуатации

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Maintenance CA76NA
60 Hauser
11.3 Taking out of service
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WARNING
Contact of chemicals with eyes and skin, and inhalation of vapors
Damage to the skin, eyes and respiratory organs
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Wear protective goggles, protective gloves and a lab coat when working with chemicals.
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Avoid any skin contact with chemicals.
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Do not inhale any vapors.
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Ensure the area is well ventilated.
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Comply with further instructions in the safety data sheets for the chemicals used.
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WARNING
Electrical voltage
Risk of serious or fatal injury
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De-energize the device when performing maintenance work.
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CAUTION
Failure to observe the maintenance intervals
Risk of personal injury and damage to property
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Keep to the recommended maintenance intervals
NOTICE
Escaping chemicals can contaminate the device
Incorrect measurements
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When changing the hoses, do not contaminate the hose ends with chemicals.
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Allow the ends of the hoses to drain fully.
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Do not touch the hoses when changing the standard solution.
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Ensure the area is well ventilated.
Measuring unit: If the analyzer has not been in operation for more than 3 days, it must be
taken out of service to avoid any damage to the device.
Proceed as follows to take the analyzer out of service:
1. In the Operating Mode menu, use the key to select Mode .
2. Press " to confirm.
3. Press the key to select
OFF .
4. Press to confirm.
 The analyzer is in the standby mode for immediate restart.
5. Disconnect the analyzer from the mains.
6. Disconnect the bottle containing the alkalization reagent from the system.
7. Store the bottle containing the alkalization reagent, making sure it is securely sealed.
8. Remove the sodium and pH electrode from the measuring unit.
9. Fit the sodium and pH electrode with the original sealing caps.
10. NOTICE
The KCl solution can damage the sodium electrodes
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Do not confuse the protection caps and storage solutions.
Fit the original covers on the storage solutions.
11. Fill the bottom sealing cap with the relevant electrode solution so that the electrodes
do not dry out. For pH: use a 3-molar KCl solution. For sodium: use min. 1000 µg/l
(ppb) sodium solution.
12. Completely empty the measuring unit with the supply vessel.