Hach HQ430d, Basic User Manual

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Safety information
N O T I C E
The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,
without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent
permitted under applicable law. The user is solely responsible to identify critical application risks and install
appropriate mechanisms to protect processes during a possible equipment malfunction.
Please read this entire manual before unpacking, setting up or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious injury to the
operator or damage to the equipment.
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 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 symbol, if noted on the instrument, references the instruction manual for operation and/or safety
information.
This symbol indicates that the marked item can be hot and should not be touched without care.
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.
Product overview
The HQd series laboratory meters are used with digital IntelliCAL
™
probes to measure various
parameters in water. The meter automatically recognizes the type of probe that is connected to the
meter. Measurement data can be stored and transferred to a printer, PC or USB storage device
(Refer to
Figure 1 ).
The HQd series meters are available in 3 models:
• HQ411d—pH/mV/ORP (Redox)
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