Electrical Installation; Electrostatic Discharge (Esd) Considerations - Hach Flo-Station Manual Del Usuario

Figure 4 Dimensions

Electrical installation

Electrocution hazard. Always remove power to the instrument before making electrical connections.
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.
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Use shielded twisted-pair cable for all electrical connections except input power. Use of non-shielded
cable may result in radio frequency emission or susceptibility levels higher than the allowed levels.
To prevent shock hazards from ground currents in inadequate ground systems, connect the shield at
only the instrument end. Do not connect the shield wire at both ends.

Electrostatic discharge (ESD) considerations

Potential Instrument Damage. Delicate internal electronic components can be damaged by static
electricity, resulting in degraded performance or eventual failure.
Refer to the steps in this procedure to prevent ESD damage to the instrument:
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