Compare TPC-SD8621-T with DH-SDT4A404-4F-QA (2)
Contact manufacturer | Contact manufacturer | |
Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Resolution |
640 x 512
|
4MP+4MP
|
Digital (DSP) |
✔
|
--
|
Specialist Type |
Thermal
|
PTZ
|
Voltage |
24 V AC
|
12 V DC, PoE
|
Focal Length mm |
7.5 / 13 / 25
|
Panorama: 2.2 mm; Detail: 8 ~ 32 mm
|
Wide Dynamic Range |
✔
|
✔
|
Picture Elements HxV |
640 x 512
|
--
|
Back Light Compensation |
✔
|
✔
|
Auto Gain Control |
✔
|
✔
|
White Balance |
✔
|
✔
|
Electronic Shutter Range |
1/30000s–1s
|
1s ~ 1/30,000 s
|
S/ N (Signal/ Noise) Ratio dB |
? 55
|
Panorama: ?55 dB ; Detail: ?55 Db
|
Sensitivity Lux |
--
|
Panorama: 0.005 lux@F2.2 (Colour, 30 IRE); 0.0005 lux@F2.2 (B/W, 30 IRE) / Detail: 0.001 lux@F1.7 (Colour, 30 IRE); 0.0001 lux@F1.7 (B/W, 30 IRE)
|
Motion Activated |
--
|
✔
|
Image Frame Rate |
--
|
25/30 fps
|
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