Urmet 1051 Notice D'installation page 9

Installation
Use as opening detector:
The detector may be installed in either of the two possible vertical positions.
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The distance between the device and the magnet must not be more than 15 mm when the door is closed.
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Avoid installation on metal surfaces, if possible.
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Install the device as high as possible.
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Use as shock/vibration detector:
The device can be installed on perfectly flat concrete or wood surfaces or on window and door frames.
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When installed on windows or doors, it can also be used as an opening detector. IMPORTANT NOTE: Detection on
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multilayer or mesh glass is not guaranteed because the vibrations are attenuated by the materials.
Use the following table as a reference for the selection of materials and detection parameters.

Thickness
Material
Positioning
Detection type
Detection
Low
diameter for
Medium
different
High
sensitivities
9
Door
Coverage area:
up to 1,5 m
Window glass
> 5mm
Normal or tempered
Mobile window frame
Single pulse
2m
3m
4m
Window
Coverage area:
up to 2 m
Door
<40mm
Wood/steel
Door frame On the wall near the detection point
Multiple pulse / sum of vibrations
detection
1m
2m
3m
Window
Coverage
area: up to
2 m on
each
window
Masonry
-
Cement/concrete
0.5m
1.5m
2m