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MP Series
Users Manual, Rev. 1.0, Apr 2021
5 Installation
5.1 Positioning
Sensor location depends on the application. Before deciding on a location, you need to be aware of the ambient
temperature of the location, the atmospheric quality of the location, and the possible electromagnetic interference
in that location. If you plan to use air purging, you need to have an air connection available. Wiring and conduit
runs must be considered, including computer wiring and connections, if used.
5.2 Geometry
The smallest possible object which can be measured depends on two conditions:
•
The area measured must be no less than 90% (90% energy response, see measurement resolution).
•
Hot spots must be clearly detected, when in front of a cold background (50% energy response, see hot
spot detection).
The measured area for 50% energy response is approximately a third of the area size of the measured spot for
90% energy response.
For a list indicating the available optics, see section 2.2
a tool for calculating spot sizes, see section 9.1
The relationship between the scan line width L and the distance to the target D is defined as described below. The
distance to the target is measured from the front surface of the housing. For longer distances, the scan line width
is about twice the measurement distance.
26
Risk of Personal Injury
When this instrument is being used in a critical process that could cause property damage and
personal injury, the user should provide a redundant device or system that will initiate a safe
process shutdown in the event that this instrument should fail.
Optical
Specifications, page 17. The manufacturer provides
Spot Size
Calculator, page 61.
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