Page 22 of 126
Proton Products SL mini and SLR mini Series Speed and Length Gauges Instruction Manual - issue 1s
WARNING: Do NOT attempt to open either of the gas purge ports indicated below:
Rear view
Underside view
Periodic maintenance
The physical condition of the gauge, optional accessories and connecting cables should be
checked periodically; if any damage is suspected, then the unit should be taken out of service
for inspection and repair or replacement of damaged parts.
Laser radiation hazard
This product emits class 3B laser radiation; do not view the laser beams emitted by the gauge
either directly or by specular reflection.
For all class 3B laser devices, the safety measures below MUST be provided. Some
measures are the responsibility of the device manufacturer (Proton Products), whilst other
measures are the responsibility of the end-user.
For further information on laser safety, please refer to European standard BS EN 60825-
1:β007 “Safety of laser products;
Part 1:
Equipment classification, requirements and user’s
guide”
.
Safety
Measure
Description
Provided
by
Laser Safety
Officer
A Laser Safety Officer (LSO) must be appointed by the end-user
organisation and is responsible for ensuring that both the equipement
and staff comply with laser safety regulations.
End-user
Laser safety
training
The end-user organisation must provide appropriate laser safety
training for all operators and maintenance personnel working in close
proximity to the gauge.
End-user
Laser enable
key-switch
A key-switch to disable the laser diode should be wired to the LSR_EN
input. The laser safety officer should be responsible for the key and
must withhold it during system maintenance or it the system fails to
comply with laser safety regulations.
End-user
A laser enable key-switch is provided on the optional PSU-
BOB-mini.
Proton
Contain and
terminate
beam path
Terminate the laser beams at the end of their useful length (behind the
measured object) with a beam block.
Contain laser beam paths with laser guards which have closure
switches wired to the SHUT_EN input so that the laser shutter is closed
End-user