Hach PTM450 User Manual page 6

Installation guidelines
• This instrument is for indoor use only.
• The power supply connector on the rear panel must be easily accessible so the power can be
disconnected quickly in case of emergency.
• Keep the instrument away from temperature extremes, including heaters, direct sunlight and other
heat sources.
Install the instrument
Electrocution hazard. If this equipment is used outdoors or in potentially wet locations, a Ground Fault
Circuit Interrupt (GFCI/GFI) device must be used for connecting the equipment to its main power
source.
Fire hazard. Use only the external power supply that is specified for this instrument.
Electrical shock and fire hazards. Make sure that the supplied cord and non‐locking plug meet the
applicable country code requirements.
Prepare the probe and the titration system. Refer to the probe and titration system documentation.
Refer to the illustrated steps that follow.
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D A N G E R
W A R N I N G
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