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many measured values fall above a cer-
tain temperature threshold. If very small
but hot objects are being measured, it
may select the low temperature range
that is not suitable for high tempera-
tures. This can be determined from the
preceding symbol, ~. In such cases,
switch to the <Manual> measuring func-
tion, in which the color distribution cor-
responds to the set temperature range.
<Heat Detector> – Only the warmer
temperatures in the measuring range
are displayed as a thermal image in this
measuring function. The area outside
these warmer temperatures is shown as
a real image in grey scale. The depiction
in grey scale prevents colored objects
from being wrongly associated with tem-
peratures (e.g. a red cable in the control
cabinet when searching for overheated
components). Adjust the scale using
the Up Arrow Button 8 and Down Arrow
Button 13. This expands or reduces
the temperature range, thereby expand-
ing or reducing the thermal image. The
measuring tool continues to measure
minimum and maximum temperatures
and displays these at the ends of the
Color Scale 36.
<Cold Detector> – Only the colder
temperatures in the measuring range
are displayed as a thermal image in this
measuring function. The area outside
these colder temperatures is shown as
a real image in grey scale to prevent
colored objects from being wrongly
associated with temperatures (e.g. a
blue window frame when searching for
faulty insulation). Adjust the scale using
the Up Arrow Button 8 and Down Arrow
Button 13. This expands or reduces
the temperature range, thereby expand-
ing or reducing the thermal image. The
measuring tool continues to measure
minimum and maximum temperatures
and displays these at the ends of the
Color Scale 36.
<Manual> – If greatly deviating tempera-
tures are measured in the thermal image
(e.g. a radiator as a hot object when
searching for thermal bridges), the
available colors are distributed among
a large number of temperature values
in the range between the maximum
and the minimum temperature. This
Functions
can result in a situation where subtle
temperature differences can no longer
be shown in detail. To obtain a detailed
depiction of the temperature range to
be examined, take the following steps:
After switching to <Manual> mode, you
can set the maximum and the minimum
temperature. Doing this enables you to
set the temperature range that is rele-
vant to you and in which you would like
to detect subtle differences. The <Reset
scale> setting automatically readjusts
the scale to the measured values in the
infrared sensor's field of view.
Main Menu
(Fig. 1)
To access the main menu, first press the
Measuring Functions Button 9 button to call
up the measuring functions. Now press the
Right-Hand Function Button 10.
<Measurement>
(Fig. 1)
• <Emissivity> 32 – A selection of saved
emissivities is available for some of the
most common materials. Choose the
relevant material in the <Material> menu
item. The corresponding emissivity is
shown in the line beneath. If you know
the exact emissivity of the object you
want to measure, you can also set it as
a numerical value in the <Emissivity>
menu item.
If you frequently measure the same
materials, you can enter five emissivities
as favorites and quickly call them up via
the bar at the top (numbered from 1 to
5).
• <Reflected Temp.> 31 – Setting this pa-
rameter can improve the accuracy of the
measuring result, especially with low-
emissivity (= high-reflection) materials.
In some situations (especially in indoor
areas) the reflected temperature cor-
responds to the ambient temperature. If
there are objects with greatly deviating
temperatures close to highly reflective
objects, this value should be adjusted
as the measurement may be affected.
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