HIKVISION DS-2TD4166-25/V2

Thermal Network Speed Dome Quick Start Guide
5
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
10
25
50
75
100
MRAD
1.70
0.68
0.34
0.23
0.17
Detection Range
(Vehicle)/m
902
2255
4510
6765
9020
Detection Range
(Human)/m
294
735
1471
2206
2941
Recognition Range
(Vehicle)/m
225
564
1127
1691
2255
Recognition Range
(Human)/m
74
184
368
551
735
Identification Range
(Vehicle)/m
113
282
564
846
1127
Identification Range
(Human)/m
37
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
Identification Range
(Vehicle)/m
192
383
575
767
Identification Range
(Human)/m
63
125
188
250