Dahua BF Series, Руководство по установке и пусконаладке

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6

The moving direction of the flow of people is toward the camera. During the test, the forehead of
the target person is facing the camera. It is better to stay and face the camera for temperature
measurement. Temporary measures can be adopted on site to plan the walking route of personnel
and guide the person to the camera position; for scenes with large indoor and outdoor temperature
difference, multiple bow type routes can be planned and the area with wind at the door shall be
avoided, and the temperature measurement can be conducted after the person reaches the indoor
forehead temperature to be stable.

The black body radiation surface (Note: the radiation surface shall not be touched or dirty) shall be
facing the camera irradiation direction, the black body shall be on the left or right side of the
thermal imaging picture, and the tripod can be protected by temporary fence.
As follows, black body is in the upper right corner of the image:

It is required that the visible light channel has enough illumination and avoid the influence of backlight /
reflection / change of strong light / occlusion, etc.

It is forbidden to have high-temperature heat source or sunlight in the thermal imaging picture, to avoid
the interference of heat source such as heater, hot water point, microwave oven, high-power lamp,
radiator, etc., so as to avoid the damage of detector.

The installation area shall be relatively isolated from the outside environment without wind and stability,
to avoid the outdoor or the scene connected with the outside, which is not suitable for the environment
with air flow or strong electromagnetic interference or vibration.
Installation scenarios to avoid
Insufficient light.
Backlight / scene open
to the outside
The direction of people moving is not toward
the camera.