Precautionary Labels; Product Overview - Hach 8350.3 Benutzerhandbuch

2.1.2 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.
This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential
injury. If on the instrument, refer to the instruction manual for operation or safety information.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
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, when noted on a product, indicates the instrument is connected to alternate current.
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.
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.

2.2 Product overview

The module, when installed in an sc200 or a Polymetron 9500 controller, allows an analog sensor to
connect to the controller.
Section 3 Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
3.1 Connect the sensor to the module
Potential electrocution hazard. Always disconnect power to the controller when making electrical connections.
Electrocution hazard. High voltage wiring for the controller is conducted behind the high voltage barrier in the
controller enclosure. The barrier must remain in place except when installing modules, or when a qualified
installation technician is wiring for power, relays or analog and network cards.
Potential instrument damage. Delicate internal electronic components can be damaged by static electricity,
resulting in degraded performance or eventual failure.
C A U T I O N
W A R N I N G
W A R N I N G
N O T I C E
English 5