Safety Considerations - Omega MICROMEGA CN77000 series User Manual

1.1 Safety Considerations

This device is marked with the international caution symbol. It is
important to read this manual before installing or commissioning
this device as it contains important information relating to Safety
and EMC (Electromagnetic Compatibility).
This instrument is a panel mount device protected in
accordance with Class I of EN 61010 (115/230 AC power
connections). Installation of this instrument should be done by
qualified personnel. In order to ensure safe operation, the
following instructions should be followed.
This instrument has no power-on switch. An external switch or
circuit-breaker shall be included in the building installation as a
disconnecting device. It shall be marked to indicate this
function, and it shall be in close proximity to the equipment
within easy reach of the operator. The switch or circuit-breaker
shall meet the relevant requirements of IEC 947Ð1 and IEC
947-3 (International Electrotechnical Commission). The switch
shall not be incorporated in the main supply cord.
Furthermore, to provide protection against excessive energy
being drawn from the main supply in case of a fault in the
equipment, an overcurrent protection device shall be installed.
I
NTRODUCTION
¥ Do not exceed voltage rating on the label located on the
top of the instrument housing.
¥ Always disconnect power before changing signal and
power connections.
¥ Do not use this instrument on a work bench without its
case for safety reasons.
¥ Do not operate this instrument in flammable or explosive
atmospheres.
¥ Do not expose this instrument to rain or moisture.
¥ Unit mounting should allow for adequate ventilation to
ensure instrument does not exceed operating temperature
rating.
¥ Use electrical wires with adequate size to handle
mechanical strain and power requirements. Install without
exposing bare wire outside the connector to minimize
electrical shock hazards.
EMC Considerations
¥ Whenever EMC is an issue, always use shielded cables.
¥ Never run signal and power wires in the same conduit.
¥ Use signal wire connections with twisted-pair cables.
¥ Install Ferrite Bead(s) on signal wires close to the
instrument if EMC problems persist.
Failure to follow all instructions and warnings may result in injury!
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