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Measurement Controls
The U5850 Series TrueIR Thermal Imager measurement controls enable you to
identify hot/cold spots and to perform thermal analysis on the move, directly on
the camera.
Set the temperature range
You can set auto range or manual range for temperature measurement.
– Range 1: –20 to 120 °C (U5855A/U5856A/U5857A)
– Range 2: 0 to 350 °C (U5855A/U5857A), 0 to 650 °C (U5856A)
– Range 3: 0 to 1200 °C (U5857A)
If the maximum temperature (within 80% of the image center area) meets the
following conditions, auto ranging will occur:
– > 120 °C:
– > 350 °C (for U5857A):
– < 108 °C:
– < 315 °C (for U5857A):
Auto ranging for these conditions only applies in the auto scaling mode.
Keysight U5850 Series User's Guide
Image Capture, Processing, and Measurement Functions
Automatically switches from range 1 to range 2.
Automatically switches from range 2 to range 3.
Automatically switches from range 2 to range 1.
Automatically switches from range 3 to range 2.
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