Hach EZ Serie Manuel De L'utilisateur page 7

This symbol indicates a potential pinch hazard.
This symbol indicates that the object is heavy.
This symbol indicates the presence of devices sensitive to Electro-static Discharge
(ESD) and indicates that care must be taken to prevent damage with the equipment.
This symbol indicates that the marked item requires a protective earth connection. If the
instrument is not supplied with a ground plug on a cord, make the protective earth
connection to the protective conductor terminal.
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.
4.1.3 Icons used in illustrations
Manufacturer User supplied
supplied parts
4.1.4 Chemical and biological safety
Chemical or biological hazards. If this instrument is used to monitor a treatment process
and/or chemical feed system for which there are regulatory limits and monitoring
requirements related to public health, public safety, food or beverage manufacture or
processing, it is the responsibility of the user of this instrument to know and abide by any
applicable regulation and to have sufficient and appropriate mechanisms in place for
compliance with applicable regulations in the event of malfunction of the instrument.
4.1.5 Ozone precautions
Ozone inhalation hazard. This instrument produces ozone that is contained within the
equipment, specifically within the internal plumbing. The ozone could be released under
fault conditions.
It is recommended to plumb the exhaust gas port to a fume hood or to the building exterior in
accordance with local, regional and national requirements.
Exposure to even low concentrations of ozone can damage delicate nasal, bronchial and pulmonary
membrane. In sufficient concentration, ozone can cause headaches, coughing, eye, nose and throat
irritation. Immediately, move the victim to uncontaminated air and seek first aid.
The type and harshness of symptoms are based on the concentration and exposure time (n). Ozone
poisoning includes one or more of the symptoms that follow.
• Irritation or burning of the eyes, nose or throat
Look
parts
C A U T I O N
Do steps in
reverse order
D A N G E R
Use fingers Use two
only people
English 7