Polytec OFV-3001, User Manual

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3-1
3 First Steps
3 First Steps
3.1 Operating and Maintenance Requirements
Operating
environment The vibrometer can be operated in dry rooms under normal climate conditions
(refer to
chapter 7 ). In particular the optical components in the sensor head
are sensitive to moisture, high temperatures, jolting and dirt. When the
vibrometer is taken into operation after being stored somewhere cool, a
sufficient acclimatization period should be allowed for before switching it on.
Avoid condensation on the optical components caused by a rapid change in
temperature.
Mains
connection Before taking the vibrometer into operation, please ensure that the supply
voltage set with the voltage selector corresponds with the local mains voltage.
Only replace defective fuses by fuses of the same kind and equal rating.
Warming-up The helium neon laser in the sensor head requires a certain period of time to
reach optimum stability. The vibrometer should thus be switched on 20
minutes before the first measurements are made to ensure that it is in thermal
equilibrium with the surroundings.
Assembly The sensor head OFV-303 should not be positioned provisionally but
mounted properly on a stable tripod using the threads provided.
Transport The sensor head OFV-511/-512 is equipped with a transport safety
mechanism which always has to be activated before moving the sensor head
(refer to
section 5.8 ).
Connecting
cables As a general rule the vibrometer must not be switched on until all cables are
connected. Make sure that all jacks are connected properly and firmly. Protect
the cables from mechanical damage and from high temperatures.
Cleaning The housing surfaces of the instrument can be cleaned with mild detergent
solutions. Organic solvents must not be used.
Optical
components Handle all optical components with great care. Dirt may only be removed very
carefully with a soft, dry cloth, an optics brush and bellow.
Cooling It is very important to ensure that there is sufficient air circulation to keep the
controller and the sensor head cool. The air vents of the sensor head must
never be covered up and the back panel of the controller must be at least
50 mm away from the wall.
Opening up
the equipment Opening up of the equipment without authorization is not necessary for its
operation and will invalidate the warranty.