TESTO 883 - Page 31

11 Performing the measurement
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o Coldspot: the lowest temperature measuring point is
marked with blue crosshairs and the value is displayed.
o Show all / Hide all: Show or hide the centre point, hotspot
and coldspot.
• New Min/Max on area:
o Min/Max on area: Area in the centre of the image is
shown. The minimum, maximum, and average values for
the area are displayed.
o Hotspot: the highest temperature measuring point within
the range selection is marked with blue or red crosshairs
and the value is displayed.
o Coldspot: the lowest temperature measuring point within
the range selection is marked with blue or red crosshairs
and the value is displayed.
o Show all / Hide all: Show or hide the selected area.
• Measurement range: choose between two measuring ranges
or temperature ranges.
• Differential temperature: identifies the difference between two
temperatures.
o Difference between two measuring points
o Difference between measuring point and input value
o Difference between measuring point and value of an
external probe
o Difference between measuring point and the reflected
temperature (RTC)
• External values: in various measuring modes, values can be
determined either manually or with a Bluetooth
®
measuring
instrument.
• iFOV: the IFOV warner shows what can be measured
accurately from a specific distance.
• Isotherm: limit values can be set. All readings within the set
limits are displayed uniformly in one colour.
• Alarm: Temperatures below or above a limit value are also
visualized.
• Zoom: enlarges the image section (2x and 4x).
• SiteRecognition: testo SiteRecognition recognizes markers,
the recorded images are assigned to the corresponding
measuring location by the IRSoft PC software and stored in the
database.
2
Select the required function (joystick or touchscreen).