Hach 910, Инструкция по эксплуатации инструмента

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Safety Precautions
Safety.fm
Safety Precautions
made by the user to this equipment, or equipment malfunctions, may give the
telecommunications company cause to request the user to disconnect the
equipment.
Users should ensure for their own protection that the electrical ground
connections of the power utility, telephone lines and internal metallic water
pipe system, if present, are connected together. This precaution may be
particularly important in rural areas.
CAUTION
Users should not attempt to make such connections themselves, but should
contact the appropriate electric inspection authority, or electrician, as
appropriate.
The Load Number (LN) assigned to each terminal device denotes the
percentage of the total load to be connected to a telephone loop which is used
by the device, to prevent overloading. The termination on a loop may consist
of any combination of devices subject only to the requirement that the total of
the Load Numbers of all the devices does not exceed 100.