EFL Operator Guide
Safety Information
Part No. MAN/EN5103-0076 Page 6 of 34 Revision A (Jan 2014)
Laser Classification
The Model LS8000/9000 Non-contact Length and Speed
Gauge (Model LS8000/9000) is classified as a IIIb laser device.
This category contains infrared and visible laser devices with
powers up to 500 mW. The optical gauge in the system uses a
50 mW solid-state laser device operating between 760 and 800
nm (near infrared region of the spectrum).
A class IIIb product must have the following safety
features:
A 5-second delay after power-up before laser radiation
is emitted from the gauge.
An indicator light to inform personnel near the gauge
that laser radiation is being emitted.
A mechanical device to physically block the laser beam
from exiting the gauge.
An interlock circuit to shut off the laser when the circuit
is opened.
All hazards must be properly identified with warning labels.
These basic safety features are incorporated to promote safe operation of the laser.
A class IIIb laser must also have a key switch to power the laser, ensuring that only
trained personnel can operate the instrument. Because the location of the gauge can
often make it difficult to access a key switch, the key switch needs to be installed by
the final user. It should be placed in a location that will be readily accessible to the
operators. For more information on installing the laser key switch, see the Installation
section.
The user of a laser device must comply with a different set of regulations. Many
countries and individual states have passed legislation regarding the use of laser
products.
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