Endurance ratio sensors are shipped with a default setting of 95% for the attenuation failsafe parameter.
This means that the sensor will calculate a temperature value down to 95% signal rejection.
This signal rejection comes from low emissivity, object size relative to spot size, dirty sensor window and other contaminants in the optical path.
Measurements at attenuation values >50% can, under certain circumstances be erroneous. In static measurement conditions where the sensor or the object is not moving in and out of the field of view, these errors can be compensated for.
In a dynamic object movement scenario, it is often necessary to inhibit the temperature calculation until the FOV is sufficiently filled to avoid leading and trailing edge temperature spikes.
This becomes more of an issue when post processing is used, such as peak hold.
In this case reduce the failsafe attenuation to a value seen when the object is filling the field of view (from 95% to a value close to 30%). Increase the value if EAAA is displayed continuously when the object is present.
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