National Alarm, Inc.
Michigan Licensed Alarm Company in business since 1989! Sales, Services & Monitoring right here in Metro Detroit for 26 years.
Dome and IR Cameras
National Alarm, Inc. is multi-facet entity. National Alarm is a security organization leader, which brings together the expertise of installation, monitoring and customer service. For nearly 22 years National Alarm has been providing expertise in sales, technology, training, distribution, and service of security and life safety products. National Alarm is committed to its clients by providing a complete package of products and services to enhance the safety and quality of life to the communities they serve, along with continued support for the products and services they provide.
Model No. |
NA-HD2431 |
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Image Sensor |
1/3"SONY CCD |
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TV System |
PAL/NTSC | ||||
Horizontal Resolution |
420TVL |
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Effective Pixels |
PAL:500×582;NTSC:510×492 |
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Electronic Shutter |
PAL=1/50~1/100000 sec;NTSC=1/60~1/100000 sec | ||||
Sensitivity |
0 Lux | ||||
SNR(Signal to Noise Ratio) |
> 48dB (AGC OFF) | ||||
Gamma Correction |
0.45 | ||||
Lens |
Fixed lens(6mm/8mm/12mm)& Board lens 3.6mm | ||||
BLC |
on | ||||
Video Output |
1.0VP-P75O | ||||
Power Requirement (± 10%) |
DC 12V 120mA | ||||
Dimensions ( mm ) |
F118×100mm | ||||
Weight ( N.W) |
330g | ||||
Operation Temp. |
-10°C~50°C |