Dahua BF Series, Руководство по установке и пусконаладке

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3
distance between the front of forehead and camera), the best test width at 3M is about 1.3m (about one
gate), the forward temperature at 3M will be higher, and the backward temperature will be lower. The ideal
situation is to place footprints at the 3M position to guide the thermometer to measure temperature one by
one at the designated position.
Bf5401 (13mm) installation requirements are consistent with bf3221 (7mm).
1.3
Installation diagram

Bf3221 (3.5mm) installation diagram
Blac
kbod
y
Height 2m
Side view
h
u
m
a
n
Distance between
two objects: 2m
Height of
Blackbody 1.8m
Thermal camera
(focal length
3.5mm)
Blac
kbod
y
Sidewalk width
1.5m
Top view
Thermal camera
(focal length
3.5mm)

BF3221(7mm) installation diagram
Blac
kbod
y
Height 2m
Side view
h
u
m
a
n
Distance between
two objects: 3m
Height of
Blackbody 1.8m
Thermal camera
(focal length
7mm)
Blac
kbod
y
Sidewalk width
1.3m
Top view
Thermal camera
(focal length
7mm)