8.Features
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 147
8.5.4. Camera Acquisition Time
The acquisition time of the camera is related to the horizontal offset, vertical offset, width, and height of
the image ROI.
The formulas are as follows:
1) For MER-031-860U3M/C(-L)/MER-031-860U3M NIR camera:
Row period (unit:
μs)
T
row
= 13889 ∗ max ( (
(Width)
4
+ 4) , 84) ∗ 10
−6
The acquisition time (unit:
μs)
T
acq
= (Height) ∗ T
row
+ 85.5
2) For MER-041-436U3M/C(-L) camera:
Row period (unit: μs)
T
row
=
147
37.5
= 3.92
The acquisition time (unit: μs)
T
acq
=
(
32
)
∗ T
row
3) For MER-050-560U3M/C(-L) /MER-050-560U3M(-L) NIR camera:
Row period
(unit: μs)
T
row
= 13889 ∗ max
（
(
(Width)
4
+ 4)
，
84
）
∗ 10
−6
The acquisition time (unit: μs)
T
acq
= (Height) ∗ T
row
+ 19.8
4) For MER-051-120U3M/C(-L) camera:
Row period (unit: μs)
T
row
= 14706 ∗
（
74 + Width
）
∗ 10
−6
The acquisition time (unit: μs)
T
acq
= (Height) ∗ T
row
+ 78.2
5) For MER-131-210U3M/C(-L)/MER-131-210U3M(-L) NIR camera:
Row period (unit: μs)
