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Temperature compensation
You need to set an external source for the temperature compensation setpoint if the sensor
warming feature of the condensation prevention function prevents the probe's own
temperature measurement, and the output parameters that require temperature information
to be known are required.
When warming is active, values of output parameters that depend on temperature
measurement (for example, relative humidity) are unavailable, unless temperature information
is read from an external source. Output parameters that can be measured or calculated
without this external temperature information, such as dew point temperature, are available
even without the temperature input.
The external temperature source can be another probe that is connected to the same Indigo80
handheld indicator as your probe.
To get the most accurate measurement values, the external source needs to be able to provide
the temperature compensation setpoint value constantly in real time, and the value needs to
correspond to the temperature of the probe's measurement environment as accurately as
possible. A suitable measurement point is as close to the probe as possible, but yet far enough
so that ongoing condensation prevention warming of the probe does not have an effect on the
measured value.
At device restart, the value is cleared.
More information
‣ Configuring environment settings with Indigo80 handheld indicator (page 24)
3.5 Filtering factor
The filtering factor determines how quickly the results of measurement cycles are reflected in
values of output parameters. You can use the filtering factor to slow down the response time
of the measurement, filtering out rapid changes and measurement noise.
• Maximum value (1) = No filtering, fastest measurement. Output shows 100 % of the most
recent measured value.
• Less than maximum value = Filtering is applied and measurement response time is
reduced. For example, defining a value that is 90 % of the maximum value means that the
filtered output reading = 90 % of the most recent measured value + 10 % of the previous
reading.
Filtering factor settings can be configured with the Insight software or the Indigo80 handheld
indicator.
More information
‣ Example of configuring filtering factor with Indigo80 handheld indicator (page 23)
Chapter 3 – Functional description
15
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