6 Using the product
39
Building thermography, investigating the building shell:
• Considerable temperature difference between inside and
outside required (ideal: > 15 °C/> 27 °F).
• Consistent weather conditions, no intensive sunlight, no
precipitation, no strong wind.
To ensure the highest level of accuracy, the imager requires an
equalization period of 5 minutes after being switched on.
Important settings
Before recording an image, check whether the protection glass
option is set correctly to prevent corruption of the measurement
results, Optics... page 34.
Before saving an image, ensure that it is focused correctly (in
focus), see Focus image using motor focus page 21 or Manually
focusing the image page 21. Images that are not in focus cannot be
corrected retroactively!
To obtain precise readings, the emissivity and reflected
temperature must be set correctly, see Set emissivity/reflected
temperature page 32. A subsequent adjustment is possible via the
PC software as required.
With an activated auto scaling, the colour scale is continuously
adapted to the min./max. values of the current measurement
image. The colour that is to be assigned to a specific temperature
thereby changes constantly. To be able to compare multiple
images by means of the colouring, the scaling must be manually
set to fixed values, see Scale... page 29, or must be subsequently
adjusted to uniform values using the PC software.
Depending on the scene temperature, the measuring range
may be undershot or exceeded. In this case, --- or +++ is
shown instead of the readings.
> If this occurs, change the measuring range, see
Measuring range page 27.
Select the storage location (folder):
1. While an image is frozen (fixed image): Press the left [Folder]
quick select button.
- The Folder dialogue is opened.
To create a new folder, see Create new folder page 28.
2. Select the desired folder with the joystick and open with [OK].
- The folder name of the opened folder is displayed in the header.
1.800.561.8187 info@Testo-Direct.ca
www.Testo-Direct.ca
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