Compare NHT-8001-F09VF with NEI-558V90-21BS (2)
| Contact manufacturer | Contact manufacturer | |
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution |
640 x 480
|
540
|
| Digital (DSP) |
✔
|
--
|
| Specialist Type |
Thermal
|
Infrared
|
| Auto Iris |
✔
|
✔
|
| Direct Drive |
✔
|
✔
|
| Voltage |
24 V AC
|
12 V DC / 24 V AC
|
| Focal Length mm |
9
|
9 ~ 90
|
| Picture Elements HxV |
640 x 480
|
768 x 494
|
| Image Frame Rate |
30 fps
|
30 fps
|
| Inclusion DVR/ Web Server |
✔
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
>50
|
--
|
| Signal Mode |
NTSC
|
NTSC
|
| Chip Inch Size |
--
|
1/3
|
| Sensitivity Lux |
--
|
0.0
|
| Gamma Correction |
--
|
0.45
|
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