Hach-Lange POLYMETRON 8350_8351 Basic User Manual - Manual (Page 4)

Make sure that the protection provided by this equipment is not impaired. Do not use or install this
equipment in any manner other than that specified in this manual.
Use of hazard information
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.
W A R N I N G
Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious injury.
C A U T I O N
Indicates a potentially hazardous situation that may result in minor or moderate injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special
emphasis.
Precautionary labels
Read all labels and tags attached to the product. Personal injury or damage to the product could occur
if not observed.
This symbol, when noted on a product, indicates a potential hazard which could cause serious
personal injury and/or death. The user should reference this instruction manual for operation and/or
safety information.
This symbol, when noted on a product enclosure or barrier, indicates that a risk of electrical shock
and/or electrocution exists and indicates that only individuals qualified to work with hazardous voltages
should open the enclosure or remove the barrier.
This symbol, when noted on the product, indicates that the marked item can be hot and should not
be touched without care.
This symbol, when noted on the product, indicates the presence of devices sensitive to electrostatic
discharge and indicates that care must be taken to prevent damage to them.
This symbol, when noted on the product, identifies the location of the connection for protective earth
(ground).
Electrical equipment marked with this symbol may not be disposed of in European public disposal
systems. In conformity with European local and national regulations, European electrical equipment
users must now return old or end-of-life equipment to the manufacturer for disposal at no charge to
the user.
Note: For return for recycling, please contact the equipment producer or supplier for instructions on how to return end-
of-life equipment, producer-supplied electrical accessories, and all auxillary items for proper disposal.
Products marked with this symbol indicates that the product contains toxic or hazardous substances
or elements. The number inside the symbol indicates the environmental protection use period in years.
Installation
The probes can be installed in any position.
• Insertion mounting: screw-in or flange fitting
• Immersion mounting: immersion shafts (0.5, 1, or 1.5 meters) with fixed, adjustable or clip-type
flange.
4 English