Module Mounting Recommendations - Det-Tronics Open Path Eclipse Instructions Manual

Infrared hydrocarbon gas detector
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MODULE MOUNTING RECOMMENDATIONS

OPECL modules must be affixed to a solid, non-vibrating
structure capable of supporting a minimum of 100 lbs (46
kg), located within the system's rated separation distance.
A building wall, a heavy steel I-beam, or nearly any type
of masonry typically provides the most rigid mounting
surface available. However, avoid the use of wood
structures or supports if the possibility of warping exists.
When using a vertical post, the post must be absolutely
stable and without vibration. Square stock pole is
recommended. Mounting height should not exceed 3
meters.
The post can be set into the ground or attached to a
secure surface. If a post is set into the ground, the
portion below grade should be set in concrete at least 1
meter deep.
IMMOVABLE
STRUCTURE
A2501
Figure 4—Example of Bracing Added to Vertical Mounting Poles for Increased Robustness of OPECL Installation
11.3
In all cases, consider whether additional bracing
or support is needed to ensure the structural
integrity of the module installation. See Figure
4. Remember that accurate module alignment is
essential for proper performance of an open path
gas detection system, and even a small amount
of movement can have a detrimental effect on
alignment. This is especially true for installations
with significant module separation distances.
Module mounting options include:
• A vertical post with a nominal outside diameter of 4.5"
(11.43 cm). Acceptable outside diameter range is 4.0
to 5.0 inches. See Figure 5.
• For flat surface mounting, refer to Figure 6.
3 METERS
MAXIMUM HEIGHT
1 METER
OR BELOW
FROST LINE
NOTE:
INSTALLATIONS NEAR MAXIMUM HEIGHT TYPICALLY REQUIRE
BRACING TO ENSURE NO MOVEMENT OF THE OPECL DETECTOR.
11
IMPORTANT
95-8556

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