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Waveguide attenuation
AHD, PAL CAMERA AHD-LC4-2812W - 720p 2.8 ... 12 mm
DESCRIPTION Megapixel camera with 1/4" OmniVision OV9712 CMOS sensor and AHD (Analog High Definition) / PAL.
The AHD interface allows to transmission of analog video signal via coaxial cable in 720p resolution. It enables the transmission of HD resolution images for even 500 m distance with keeping the low costs of the installation. During transmission there are no delays and is maintained the original, high quality image.
Additionally camera has a possibility to select output signal standard between AHD and PAL. The change of the AHD / PAL standard is done with joystick by holding it tilted to the right or to the left for approx. 5 seconds, without going into the OSD.
SPECIFICATION
Standard :
AHD / PAL
Sensor :
1/4 " OmniVision OV9712 CMOS
Digital Image Processor :
Nextchip NVP2431H
Matrix size :
1.0 Mpx
Resolution :
1280 x 720 - 720p AHD-M , 960 x 576 - 960H PAL
Range of IR illumination :
40 m
IR illuminator power adjustment :
Automatic
Lens :
2.8 ... 12 mm, 2 Mpx
View angle :
66 ° ... 17 ° (manufacturer data) 61 ° ... 18 ° (our tests result)
S/N ratio :
> 58 dB
Video output :
1 Vpp 75 Ω, AHD / PAL - selectable by switch
Main features :
ICR - Movable InfraRed filter Sense-UP - (Slow Shutter) - Increase the sensor sensitivity max. x 30 D-WDR - Wide Dynamic Range DNR - Digital Noise Reduction F-DNR (Defog) - Reduction of image noise caused by precipitation Motion Detection - max. 4 zones Privacy zones - max. 4 BLC - configurable Back Light Compensation HSBLC - High Light Compensation (spot) Mirror - Mirror image image "freeze" Sharpness - sharper image outlines Monitor type correction - LCD/CRT
OSD menu :
"Index of Protection" :
IP66
Power supply :
12 V DC / 420 mA
Housing :
Compact, Metal
Color :
White
Operation temp :
-20 °C ... 60 °C
Weight :
0.950 kg
Dimensions :
295 x 112 x 105 mm
Supported languages :
English, Chinese, French, Spanish, Dutch, German, Polish, Portuguese, Russian, Turkish, Italian
Guarantee :
2 years
PRESENTATION
The appropriate signal format selection is done by tilting and holding the joystick for 5 s without entering to the OSD menu. Changing the signal to the NTSC in the camera causes loss of image in connected AHD recorder:
Configuration 1) Turn on the power 2) Move the joystick left or right, setting the appropriate resolution 3) Move the joystick down by 5 s, setting the PAL / NTSC The PAL and NTSC standard is set regardless of the resolution.
OUR TESTS Camera image at artificial illumination (about 30Lux):
Camera image at night conditions with internal built-in IR illuminator on:
Camera image at direct strong light opposite to camera:
FILES
OSD menu screenshots EN
2 MB
PACKAGE Dimensions (L x W x H): 285x165x115 mm Package: Carton Gross Weight: 1.150 kg
COMPONENTS OF WORKING WITH: AHD-LC4-2812W
Net: 0.00 DKK
Gross: 0.00 DKK
Weight: 0.00 kg
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