Digitals India Electronic Security Solutions
DI54M/SD23A

23X High Speed PTZ Mini IR Dome Camera

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Home CCTV system CCTV surveillance cameras Analog PTZ Dome Camera
 
DD57A/SD18AW
DD57A/SD18AW




18x


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  1. 1/4” PS EXview HAD CCD & Super HAD CCD II
  2. 600TVL (DD57A series)
  3. Multiple zoom camera module
  4. WDR(DD57 series), D&N(ICR)
  5. Max 400 °/s pan speed
  6. IP 67, 4000v thunder-proof, -40~60°C

 

DD57A/SD18AW
Image Sensor 1/4" EXview HAD CCD (Progressive Scan)
Eeffective Pixels PAL: 752(H) x 582(V), NTSC: 768(H) x 494(V)
Lens 18x optical zoom
f=4.1mm(wide)~73.8mm(Tele), F1.4~3.0
Digital Zoom 12x
Horizontal Viewing Angle 48°(Wide)~2.8°(Tele)
Minimum Object Distance 10mm(Wide)~800mm°(Tele)
Horizontal Resolution 600TVL(Color), 650(B/W)
Minimum Illumination 0.7 Lux (F1.4, 50IRE)
0.04 Lux/color
0.01 Lux/B/W, (1/3, 1/4 sec)
Electronic Shutter PAL:1/3~1/10000s, 20level, NTSC:1/4~1/10000s (20 Steps)
Gain Auto/Manual/Max. Gain Limit (-3 dB to +28dB, 2dB steps)
Exposure Control Auto/Manual, Priority mode (shutter priority & iris priority), Bright, EV compensation, Slow AE
WDR ON/OFF/Auto
Day/Night ON/OFF/Auto(ICR)
3D Noise Reduction ON/OFF
BLC ON/OFF
White Balance Auto/ATW/Indoor/Outdoor/Outdoor Auto, Sodium Vapor Lamp, (fix/auto), One-push, Manual
Picture Effects E-Flip, Nega Art, Black & White, Mirrir image, Color Enhancement
S/N Ratio More than 50dB
Privacy Masking ON/OFF (up to 24 privacy masking areas)
Video Output BNC(1.0Vp-p/ 75Ω), PAL / NTSC
Dome Drive
Pan/Tilt Range Horizontal: 0°~360°endless, Vertical: -2°~90° auto flip 180° to continue monitor
Manual Control Speed Horizontal: 0.1°~300°/s, Vertical: 0.1°~150°/s
Preset Speed Horizontal: 400°/s, Vertical: 180°/s
Preset 255
PTZ Mode 5 Auto Pattern, 8 Auto Tour, 5 Auto Scan
3D Positioning Yes
Speed Setup Human-oriented focal length / speed adaptation
Info Display Time, Location, Dome title, Dome coordinates, Temprature, Alarm, and etc.
Power up Action Auto restore to previous PTZ and lens status after power failure
Idel Motion Activate preset/scan/tour/patter if there is no command in the specified period.
Time Task Auto activation of Preset/Scan/Tour/ Patter by preset-time
Alarm 7/2 alarm input/output, Triggering Preset/Tour/Pattern/Scan/Alarm output
Remote Upgrade Yes, RS-485
Protocol DH-SD, Pelco-P/D, Auto recognition of general protocols
General
Power Supply AC 24V/3A(±10%)
Power Consumption 12W(Indoor), 50W(Outdoor, Heater on)
Working Temperature -40~60ºC
Working Humidity <90%
Protection Level IP67, 4000V thunder, surge and wave protection
Dimension Φ222(mm) x 322(mm)
Weight 5.0kg

 

How it works?

If you have a normal indoor CCTV camera that is pointed towards the door or the window during daytime, then there would be an extremely bright backlight due to the incoming daylight which results in a washed out image.

Some CCTV security cameras were equipped with a technology called BLC or Back Light Compensation which aimed to solve the problem. But WDR CCTV Cameras have two CCD (charge coupled devices) which takes multiple captures of a single image to produce a high quality image sans blurring.

Where can you use it?

A WDR CCTV Camera can be used in any place where the lighting conditions are not constant. They can be used outdoors in parking lots, streets, they can be used indoors if you wish to point your CCTV towards the door, it can be used in ATMs, it can be used inside the closet also.

 



 

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Q1. Should I go for Pan Tilt units or Domes?
Ans. There is frequently a choice made whether to use a..
  
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