DB-640

Specifications

971S

971H

DB-640

Imaging and optical data

Field of View (FOV)/Minimum focus distance

29.8°×22.6°/0.2m

29.8°×22.6°/0.2m

22°×17.6°

Special range

8～14μm

8～14μm

0.8～1.1μm

Spatial resolution(IFOV)

3.33mrad

3.33mrad

0.6mrad

Thermal sensitivity/NETD

<0.08℃@﹢30℃(﹢86℉)/80mK

<0.08℃@﹢30℃(﹢86℉)/80mK

<1℃@﹢600℃

Image frequency

50Hz

30Hz

Focus length

7.5mm

7.5mm

25mm

IR Resolution

160×120 pixels

160×120 pixels

640×512 pixels

Object Temperature Range

﹣20 to 150℃（﹣4 to 302°F） 0 to 400℃（32 to 752°F）

﹣20 to 150℃（﹣4 to 302°F） 0 to 400℃（32 to 752°F）

600 to 2000℃

1112℉ to 3632°F

Accuracy

±2℃ (±3.6℉) or ±2% of reading

2% of reading

Interfaces

composite video

Video out

Composite(PAL and NTSC)

Input voltage

DC 9V TO 12V

DC 5V

Ethemet type, connector type, video steaming

100Mbps, RJ-45, H.264

Alarm output

2 relay output

Options Lens

11mm

（FOV=20.6°×15.5°）

8mm（FOV=68.8°×55°）

22mm

（FOV=10.4°×7.8°）

12mm（FOV=45.8°×36.7°）

33mm

（FOV=6.9°×5.2°）

50mm（FOV=11°×8.8°）

75mm（FOV=7.3°×5.9°）