Hach-Lange POLYMETRON 9611 sc Installation - Manual (Page 11)

Figure 8 Bypass flow rate adjustment - multi-streams
Electrical installation
D A N G E R
Electrocution hazard. Use either high voltage (more than 30 V RMS
and 42.2 V PEAK or 60 VDC) or low voltage (less than 30 V RMS and
42.2 V PEAK or 60 VDC). Do not use a combination of high and low
voltage.
D A N G E R
Electrocution hazard. Always remove power to the instrument before
making electrical connections.
D A N G E R
Electrocution hazard. Do not connect AC power directly to a DC
powered instrument.
D A N G E R
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.
D A N G E R
Electrocution hazard. Protective Earth Ground (PE) connection is
required.
D A N G E R
Electrocution hazard. Use only fittings that have the specified
environmental enclosure rating. Obey the requirements in the
Specifications section.
W A R N I N G
Electrical shock hazard. Externally connected equipment must have an
applicable country safety standard assessment.
W A R N I N G
Electrical shock and fire hazards. A local disconnect is needed for a
conduit installation.
W A R N I N G
Electrical shock and fire hazards. Make sure to identify the local
disconnect clearly for the conduit installation.
English 11