Testo 875-1 [19/65] Colours

Testo 875-1 [19/65] Colours
6 Using the software
19
6.3.1. Colours
Selecting a palette
You can choose between several existing colour palettes for the
infrared image.
> Click on and select a colour palette from the drop-down list.
When Humidity image is selected, the relative surface moisture is
calculated for each pixel and the temperature image is converted to
a humidity image. The ambient temperature and humidity
parameters are calculated, together with the measured surface
temperature.
With an IR image saved as a humidity image in the thermal
imager, the parameters entered in the imager are saved
with the image.
With an IR image saved as a temperature image in the
thermal imager, the parameters must be entered later on. If
this is not done, the image appears completely green.
The humidity image shows which areas are at risk of mould:
Colour Surface moisture Assessment
green 0…64%RH noncritical
yellow/orange 65…80%RH potentially critical
red >80%RH critical
Selecting colour temperature measuring points, profiles and
histograms
> Click on Colour temperature measuring points, profile and
histogram and select a colour.
Selecting colour for temperature correction
Changes the marker colour with the temperature correction in the
Thermal image document window.
> Click on Colour region markers and select a colour for
infrared image area markers.
Select colour for coldspots/hotspots
> Click on Colour coldspot / Colour hotspot and select
a colour.

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