Hach 1950Plus, Instrument Manual, Page: 8 / 188

Page 8
Safety Precautions
UVTOCSafety Precautions.fm
Safety Precautions
Precautionary Labels
Read all labels and tags attached to the instrument. Personal injury or damage to the instrument could occur if
not observed.
Electrical and Burn Precautions
When installing or servicing power connections be careful to:
The analyzer is designed to
comply with the US and Canadian
NEC and the European low
voltage directive. Do not modify
any internal electrical or
electronic parts because changes
may nullify CE compliance.
• Disconnect line power before servicing or repairing the unit.
• Comply with all local and national regulations when you make electrical
connections.
• Use ground fault circuit breakers whenever possible.
• Properly ground the unit for continuous operation.
• Never disconnect a UV lamp from its power supply while the lamp is on.
• Never look at a lighted UV lamp. UV emissions can damage skin
and eyes.
• Do not touch the lamp sheaths without protective equipment.
Précautions à prendre pour éviter les brûlures et les risques électriques
• Pendant l'installation et l'entretien des branchements électriques, faire
très attention aux points suivants:
This symbol, if noted on the instrument, references the 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, identifies the location of a fuse or current limiting device.
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 Electro-static
Discharge and indicates that care must be taken to prevent damage to them.
This symbol, when noted on the product, identifies a risk of chemical harm and indicates that only
individuals qualified and trained to work with chemicals should handle chemicals or perform
maintenance on chemical delivery systems associated with the equipment.
This symbol, if noted on the product, indicates the need for protective eye wear.
This symbol, when noted on the product, identifies the location of the connection for Protective Earth
(ground).