Technical Manual
Issue: A
Revision: 1
Date:21/11/16
Ref:100246
13
5. Installation
Selecting a Suitable Sensor Location
There are a number of factors to consider when selecting the position to mount the Energy Tech 301
unit. These are, in order of importance:
Are there any legal constraints that might restrict its location?
For indicative monitors this is unlikely, but it’s worthwhile checking.
There are no such
constraints in the UK and USA.
The probe must protrude more than halfway into the duct to ensure good sensitivity.
Choose a location where there is unrestricted flow path and where the probe is within the
main flow of particulate. Ideally, the unit should be placed 5 duct diameters upstream (or
downstream) from any obstruction such as a bend, fan, damper, duct exit or pipe junction,
as illustrated in Figure 2.
In practice of course, it is not always easy to select a location 5 duct diameters from an
obstruction, so some compromise may be necessary. If this is the case, Figure 3 shows
alternative mounting strategies.
Energy Tech 301 should be located where maintenance staff can occasionally gain easy
access.
The unit should not be located where it is vulnerable to knocks. Nor should it be mounted
close to steam traps or other sources of extreme heat.
Energy Tech 301 should not be placed on the bottom of a horizontal duct as dust and
debris will soon accumulate around the base of the probe, leading to bridging.
Energy Tech 301 should be placed well away from any iso-kinetic sampling ports if
possible.
If the dust level display is required to be viewed regularly to confirm acceptable levels, if
possible, install the
Energy Tech 301
where the display can be easily seen by plant
operators
Avoid mounting Energy Tech 301 on a vertical duct that vents to atmosphere as it may be affected by
rain ingress.
Figure 2: Energy Tech 301
- Preferred Locations
