Keysight Technologies U5855A, Руководство по обслуживанию

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1 Performance Verification Test
Performance Verification Test
6 U5855A Service Guide
1
Set up the U5855A and the black body source as shown in Figure 1- 1 .
2 Ensure that the optical axis of the black body source is horizontal with
the U5855A.
3
Set the following parameters of the U5855A:
• Emissivity (
ε
):
1
• Object distance: 1 m
•
Ambient temperature:
25 °C
• Humidity:
50%
• Center spot: ON
4
Ensure that the focus of the U5855A is targeted at the surface of the
black body source.
5
Ensure that the image of the black body source is displayed at the
center of the U5855A LCD screen.
Figure 1- 2 shows an example of the
image when performing the verification.
Figure 1-2 Black body source image