Safety Precautions
CX3001 v7.0 © Calnex Solutions 11
Whenever an instrument is connected to the mains voltage, any grounding fault will make it
potentially dangerous. Before connecting any unit to the mains supply, you must make sure that
the protective ground functions correctly. Only then can a unit be connected to the mains supply
and only by using a three-wire mains cable. No other method of grounding is permitted.
Extension cords must always have a protective ground conductor.
A power supply cord is supplied with the equipment. If the user is obtaining a pluggable power
cord for use with their local power connection the power cord must meet all local safety
requirements, have an integrated safety ground wire and be rated for the power requirements of
the Sentinel.
2.4 Power Switch
This instrument is equipped with a secondary power switch. It disconnects the main power-consuming circuits on
the secondary side of the power supply. Mains voltage is always present on the primary side.
WARNING:
If a unit is moved from a cold to a warm
environment, condensation may cause a
shock hazard. Ensure that the grounding
requirements are strictly met.
WARNING:
Never interrupt the grounding cable. Any
interruption of the protective ground connection
inside or outside the instrument or disconnection
of the protective ground terminal is likely to
make the instrument dangerous.
WARNING:
Always consider the instrument active as soon as it is connected to the primary AC power source
with a mains cable. Disconnection of the mains cable completely cuts off the power supply to the
instrument.
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