Read before commissioning
Snow depth sensor SHM 31, V2.1 5
1. Read before commissioning
P
lease read the operating manual carefully and keep it for future reference. Please note that various
components of the device and the described software may look slightly different from the figures provided in
this operating manual.
1.1 Symbols used
Warning – potential hazards for the user
I
mportant information for correct device functioning
R
eference to potential hazards for the user due to laser radiation
1.
2 Safety instructions
• Only adequately qualified specialists may assemble and commission the device.
• Never take measurements on or touch live parts.
• The sensor has a dead weight of approx. 2 kg and can cause injuries if dropped.
Carry the sensor with both hands to prevent the weatherproof protective ho
od
f
rom sliding off the sensor.
• Parts can fall off, especially during assembly. Avoid risks by first of all transporting
and fully assembling the sensor without the hood and only putting t
he
w
eatherproof protective hood on the sensor afterwards. Ensure that
no
c
omponents can come loose and fall down once installation is complete.
• The mast mount may have sharp edges due to the manufacturing process.
• Use suitable occupational safety equipment during assembly and take safety
measures to prevent injuries.
• Observe the technical data, storage conditions and operating conditions.
1.3 Notes on laser safety and laser classification
The SHM 31 is a Laser Class 2 product according to the international standard IEC 60825-
1: 2014-03. Class 2 laser products are only safe for short-time exposure of the beam to the
eyes (< 0.25 s). Prolonged exposure to the laser beam may damage the eyes. Avoid
staring into the beam or pointing it towards humans or animals. The wavelength of the
laser measuring device used here is in the red, visible spectral range. Living creatures’
natural eyelid reflex helps to ensure that no damage occurs. But you should still
deliberately turn your head away when the laser beam’s light enters your eyes. Especially
in low ambient light conditions, Laser Class 2 products can lead to temporary dazzling and
considerable distraction.
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