Monitoring Distance Range - HIKVISION DS-2TD4166T-9 Quick Start Manual

3.1 Monitoring Distance Range

Electric lens is adopted for the thermal channel of speed dome. It supports
auto-focus function and remote focus function. For different lens focal length, the
monitoring range is shown in the table below:
Table 3-1 Monitoring Range (Pixel Interval: 17um)
Lens Focal Length/mm
MRAD
Detection Range
(Vehicle)/m
Detection Range
(Human)/m
Recognition Range
(Vehicle)/m
Recognition Range
(Human)/m
Identification Range
(Vehicle)/m
Identification Range
(Human)/m
Table 3-2 Monitoring Range (Pixel Interval: 25um)
Lens Focal Length/mm
MRAD
Detection Range
(Vehicle)/m
Detection Range
(Human)/m
Recognition Range
(Vehicle)/m
Recognition Range
(Human)/m
Thermal Network Speed dome·Quick Start Guide
25
0.68
2255
735
564
184
282
92
25
1.00
1533
500
383
125
50
0.34
4510
1471
1127
368
564
184
50
0.50
3067
1000
767
250
7
75 100
0.23 0.17
6765 9020
2206 2941
1691 2255
551 735
846 1127
276 368
75 100
0.33 0.25
4600 6133
1500 2000
1150 1533
375 500