HIKVISION DS-2TD4136-25, Быстрый старт, Страница: 13 / 32

Thermal Network Speed dome·Quick Start Guide
7
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 25 50 75 100
MRAD 0.68 0.34 0.23 0.17
Detection Range
(Vehicle)/m
2255 4510 6765 9020
Detection Range
(Human)/m
735 1471 2206 2941
Recognition Range
(Vehicle)/m
564 1127 1691 2255
Recognition Range
(Human)/m
184 368 551 735
Identification Range
(Vehicle)/m
282 564 846 1127
Identification Range
(Human)/m
92 184 276 368
Table 3-2
Monitoring Range (Pixel Interval: 25um)
Lens Focal Length/mm 25 50 75 100
MRAD 1.00 0.50 0.33 0.25
Detection Range
(Vehicle)/m
1533 3067 4600 6133
Detection Range
(Human)/m
500 1000 1500 2000
Recognition Range
(Vehicle)/m
383 767 1150 1533
Recognition Range
(Human)/m
125 250 375 500