1
Equipment Installation
1.1
Installation Preparation
⚫
Installation Preparation
：
◼
5 meter long tape for distance measurement on site
◼
DC12V adapter, used with camera
◼
Some cable lines
⚫
Product appearance
BF5421
：
Blackbody
：
Note: the recorded installation guidance video "Dahua indoor human body
temperature measurement product installation video (BF3221)", which adopts
tripod mode, is applicable to portable indoor installation guidance reference,
and other fixed installation needs to be installed in strict accordance with the
specified height, distance and other requirements.
The PPT version of installation guidance video, web operation guidance
and guidance document should be obtained from the regional delivery
supervisor. In the future, it will be synchronized in the group on the mobile app.
1.2
Installation Distance
focal length
Distance between
blackbody and
camera
Distance between
human forehead and
camera
Width at the best
distance of
temperature
measurement
BF5421
（
13mm
）
3m
3m
(NO Blackbody2m)
1.5m
The distance from the forehead to the camera and the distance from the blackbody to
the camera have the best temperature measurement accuracy. Taking BF542121
