Precautionary Labels; Product Hazards; Section 4 Preparation For Use - Hach LDO10101 User Manual

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3.3 Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

Electrical equipment marked with this symbol may not be disposed of in European domestic or public

disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to

the user.

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.

Prepare the probe for calibration and measurement as follows. Do not touch the protective black

layer on the LDO sensor cap.

1. Remove the shroud. Refer to

2. Install the LDO sensor cap and tighten by hand. Do not tighten more than is necessary for a good

seal.

3. Soak the probe in 100 mL of tap water for 30 minutes before use. For probes that will be in

aqueous solutions for more than 6 hours continuously, soak the probe for 72 hours.

Note: After 72 hours, the LDO sensor cap is fully hydrated.

4. Make sure that the meter has the correct date and time settings. The service-life time stamp in

the probe comes from the date and time settings in the meter.

Note: Some meters automatically open the date and time settings when the meter starts for the first time, or

after battery replacement.

5. Connect the probe to the meter.

6. Install the shroud. Refer to

Note: Make sure to install the shroud during field use to prevent damage to the sensing elements. The product

warranty does not include such damage.

C A U T I O N

Remove or install the shroud

on page 9.

English 5

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