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6 Mechanical Installation
Critical installations in health or explosion-prone areas, as well as use in all dust control
systems, need to be reviewed and approved by an expert consultant who is responsible
for the integrity of the system design and compliance with locally accepted codes.
Critical installations are considered to be such installations where a failure may directly or
indirectly cause any damage to people or property.
Any information given or implied by Sintrol in any way regarding installation points, the overall
functionality of the system, or compatibility for a specific application are only suggestive and do
not replace approval by an expert consultant.
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Install the Dumo to the desired location with the mounting feet. Use up to M6 bolts or similarly sized
UNC/UNF fasteners. Optionally you can choose to buy the device with different mounting hardware,
including Wall/Din-rail mount bracket or the adjustable wall connecting system.
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For installations with the RF version, make sure that all the Dumos are oriented in the same direction
(antenna pointing in the same direction, vertical or horizontal) in order to avoid polarization losses in
the wireless communication.
6.1
Height
In ambient air, larger airborne particles will generally collect and settle close to the
ground. Larger particles also represent the majority of the mass and volume of
airborne particles.
Because the Dumo measures Total Suspended Particles (TSP), it is reasonable to say
that it will show a higher signal closer to the ground as compared to an installation
point at some elevation higher than ground level.
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To survey certain machinery or a specific area of suspected dust emissions, place the Dumo as close as
possible to that location.
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To measure exposure to dust on humans, install the Dumo at a height relative to the respiratory tract
(see Figure 6).
Figure 8: Installation height
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