Hach TU5300 sc Basic User Manual page 6

This symbol 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 indicates radio waves.
Class 1 laser product
Personal injury hazard. Never remove covers from the instrument. This is a laser-based instrument and
the user risks injury if exposed to the laser.
This instrument is a Class 1 Laser product. There is invisible laser radiation when the instrument is
defective and when the instrument lid is open. This product complies with EN 61010-1, "Safety
Requirements for Electrical Equipment for Measurement, Control and Laboratory Use" and with
IEC/EN 60825-1, "Safety of Laser Products" and with 21 CFR 1040.10 in accordance with Laser
Notice No. 50. Refer to the labels on the instrument that supply laser information.
RFID module
Instruments with the optional RFID module receive and transmit information and data. The RFID
module operates with a frequency of 13.56 MHz.
RFID technology is a radio application. Radio applications are subject to national conditions of
authorization. The use of instruments with the optional RFID module is currently permitted in the
regions that follow:
EU (European Union) countries, EFTA (European Free Trade Association) countries, Turkey, Serbia,
Macedonia, Australia, Canada, US, Chile, Ecuador, Venezuela, Mexico, Brazil, South Africa, India,
Singapore, Argentina, Columbia, Peru and Panama
The use of instruments with the optional RFID module outside of the above-mentioned regions can
violate national laws. The manufacturer reserves the right also to get authorization in other countries.
In case of doubt, contact the manufacturer.
Safety information for RFID modules
Multiple hazards. Do not disassemble the instrument for maintenance. If the internal components must
be cleaned or repaired, contact the manufacturer.
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D A N G E R
Class 1 laser product, IEC60825-1:2014, 850 nm, maximum 0.55 mW
Location: Rear of the instrument.
Conforms to U.S. regulations 21 CFR 1040.10 and 1040.11 in accordance with
Laser Notice No. 50.
Location: Rear of the instrument.
W A R N I N G