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Warnings and Safety Precautions
Page v 09/11/2008 REV 0.99
WARNING AND SAFETY NOTICE
This Safety Notice has been included to emphasize the DANGER OF HAZARDOUS VOLTAGES on
the REAR TERMINAL PANEL of your instrument. USE EXTREME CAUTION WHEN INSTALLING
OR SERVICING your instrument. Please read the entire contents of Section 2 - Installation and
Wiring within this manual before attempting to install or service your instrument.
1. Before any connections are made to the recorder, ensure the protective earth terminal is connected to a
protective conductor.
WARNING
Any interruption of the protective conductor inside or outside the recorder, or disconnection of the
protective earth terminal is likely to make the recorder dangerous under some fault conditions.
Intentional interruption is prohibited.
NOTE: In order to comply with the requirements of safety standard EN61010, the recorder must have one of the
following as a disconnecting device, located within easy reach of the operator, and be labeled as the
disconnecting safety device:
A switch or circuit breaker which complies with the requirements of IEC 60947-1 and IEC 60947-3
A separable coupler which can be disconnected without the use of a tool
A separable plug, without a locking device, to mate with a socket outlet in the building
2. The protective earth terminal must remain connected (even if the recorder is isolated from the mains supply) if
any of the measuring, communications, or relay terminals are connected to hazardous voltages.
3. Whenever it is likely that protection has been impaired, the recorder should be made inoperative and secured
against operation. Contact the factory for assistance.
4. Any adjustment, maintenance and repair of the opened recorder under voltage should be avoided as far as
possible and, if inevitable, should be carried out only by a skilled person who is aware of the hazard involved.
All repairs should be carried out only by authorized service personnel or returned to an authorized repair
center.
5. Where conductive pollution such as condensation or conductive dust is present, adequate air conditioning,
filtering and/or sealing must be installed.
6. Signal and supply voltage wiring should be kept separate from one another. Where this is impractical,
shielded cables should be used for the signal wiring.
7. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the
equipment might be impaired or inadequate.