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The Hitachi VK-S454EN is a RoHS-Compliant compact chassis-type camera designed for surveillance of various sites under a wide range of light conditions. Even high-contrast scenes can be captured without glare or loss of detail thanks to the Wide Dynamic Range design. The Digital Slow Shutter and Removable IR Cut Filter function make the camera particularly suitable for monitoring sites at nighttime or dark locations. Hitachi's Wide Dynamic Range Technology uses two shutter speeds in alternative video fields 每high and normal 每every 60th (or 50th) of a second and combines two fields into one progressive scan frame. It allows every detail to be captured accurately even if one portion of an image is very bright while other portions are dark. Whether at the high shutter speed or normal shutter speed, the progressive scan CCD provides a horizontal resolution of 470 lines. As a result, combined fields yield a frame of high-quality images. Ordinary color cameras feature a fixed IR cut filter for clear color images in daylight conditions.
The VK-S454EN, however, is equipped with a removable IR cut filter. Under very low light conditions, the IR cut filter is automatically turned off to deliver brighter images than other color video cameras do. The Digital Slow Shutter allows the camera a long exposure time of 1/2 (1/1.5) second. This translates into a higher sensitivity and minimum illumination of only 0.1 lx (IR cut filter on), 0.02 lx (IR cut filter off) or 0 lx with the IR illuminator. When the camera scans more than a certain amount of degrees while tracking a moving object, it digitally flips the object's image upside-down on the monitor. This means you can track an object moving underneath the camera in a continuous shot. The camera may operate by its own internal sync or under control of an external source like a sync generator. Internal/external sync capability expands the range of the camera's applications. With these new RoHS-Compliant models, make your organization environmentally conscious.
The VK-S454EN cameras enable you to not only monitor your environment but also help preserve it. When there are windows, entrances and other objects within the camera's vision that are not subject to surveillance, they can be masked on the monitor for protection of privacy. This makes the VK S454EN particularly suitable for outdoor surveillance. A reliable built-in x23 optical zoom lens allows the user to monitor a scene from any angle. Combined with x12 digital zoom, the total zoom ratio is x276. A.I. auto iris keeps video output constant, compensating for variations in illumination. A.I. auto white balance allows natural color reproduction under any ambient lighting. For the ultimate in remote monitoring the VKS454EN comes with full motion detect functionality. Save time when this camera shoots what you need 每when you need it.
* Surveillance: In corporate, medical, learning institutes and other public places, security camera solutions offer a peace of mind.
* Telepresence: Conference type solutions in business or learning institutions.
* Low Vision Magnifier: Video technology for sight impaired individuals.
The Hitachi VK-S454EN is a RoHS-compliant compact chassis-type camera equipped with a newly developed digital signal processor engineered to capture high-quality images under awide range of conditions, including high-contrast scenes or low light situations. In addition to conventional analog output, the VK-S454EN also features digital output for lossless capture of high-quality images. Compatible with the latest IP protocols, the VK S454EN ensures efficient, high-quality imaging in the rapidly evolving surveillance field.
Frame Noise Reduction (Diagram)
The VKS454EN features a highly sensitive progressive scan 1/4" CCD* and a newly developed DSP that produces horizontal resolution of 540TVL in illumination as low as 1.0 lx. Faithful color reproduction combines with a Frame Noise Reduction (FNR) function to ensure accurate, clear images with minimum random noise, even in challenging low light conditions.
* Total pixels: 410k (NTSC)/470k(PAL); effective pixels; 380k(NTSC)/440k(PAL).
Wide Dynamic Range (WDR) (Diagram)
When a surveillance area includes bright and dark areas, alternate images are captured at optimum exposure for both levels of illumination, with the resulting two fields combined into a single frame. This makes it possible to capture clear, glare-free images in a variety of scenarios, such as building entrances with varying levels of indoor/outdoor illumination and situations where backlighting can make it difficult to identify facial features. The newly developed DSP also offers enhanced ability to capture details in dark areas.
Built-in Optical Power Zoom Lens
A reliable built-in 23x optical zoom lens combines with a 12x digital zoom to deliver a maximum factor of 276x.
Digital Slow Shutter (DSS)
Digital Slow Shutter processing permits an increase in sensitivity of up to 32x, based on the brightness of the subject. Compared to conventional minimum subject brightness of 1.0 lx, this unit can capture subjects in illumination as low as 0.1 lx. The progressive scan CCD maintains full vertical resolution, delivering high-resolution images even when DSS is activated.
DSP for Intelligent Control
A.I. auto iris compensates for variations in illumination to maintain constant video output, while A.I auto white balance produces natural color reproduction under a wide range of ambient lighting.
Removable IR Cut Filter (Diagram)
In daylight conditions, the IR cut filter ensures clear, high-quality color images. At night or in other very low light situations, the IR cut filter in the VKS454EN is automatically removed to allow capture of bright, high-contrast black and white images.
Digital Output (Diagram)
In additional to conventional analog output, the VK-S454EN also offers digital output of image signals. With conventional analog units, the analog signal from the chassis camera must be decoded for downloading to the customer's system. With digital output, raw data can be transferred directly from the DSP, ensuring lossless, low-noise image data. This also minimizes the cost of the initial system by eliminating the need for an NTSC (or PAL) decoder.
Privacy Zone Masking Function (Diagram)
This function makes it possible to mask the camera's view of windows, entrances and other areas subject to privacy concerns. The position and size of the mask is maintained even when the camera pans, tilts, or zooms, making the VK S454EN particularly suitable for surveillance of public areas.
Motion Detect Function
This function triggers an alarm when motion is detected in designated areas of the surveillance frame. Motion detection can be activated in as many as eight frame blocks out of a total of 64.
The camera may be operated by its own internal sync or controlled by an external source such as a sync generator. This internal/external sync capability expands the range of viable applications.
Digital Image Flip (Diagram)
Images can be flipped vertically or horizontally, making it possible to track a subject moving underneath the camera in a single continuous shot.
The RoHS-compliant VKS454EN meets guidelines for permissible levels of lead, mercury, cadmium, hexavalent chrome, PPBs and PBDE, making it an eco-friendly way to implement surveillance.
Available Chassis Camera Cables:
* PAL: VK-S454EN ( NTSC :VK-S454N )
* Wide Dynamic Range (WDR)
* Removable IR Cut Filter
* Digital Slow Shutter (D.S.S.)
* Digital Image Flip
* Internal/External Sync
* Environmentally Friendly
* Privacy Zone Masking Function
* Built-In Optical Power Zoom Lens
* D.S.P. for Intelligent Control
* Motion Detect Function
* Hitachi DSP 8 camera control
* 23X Optical Zoom F1.6 Lens and practical f value 3.6-82.8mm
* IR cut filter removed for Day/Night capability
* 1.0 lux typical sensitivity, 50 IRE, 0.01 lux IR Cut Filter Off
* Composite Video Output, YUV422 8 bit digital output
* 1/4" Progressive Scan Ex-View Color CCD, NTSC/PAL output
* 540 TV Lines of Resolution
* Motion Detection, Frame Noise Reduction, Wide Dynamic Range
|Image Size||4.5mm Dia. (1/4-inch)|
|Total Pixels||470k (795 x 596)|
|Effective Pixels||440k (752x582)|
|Zoom Magnification||23x (f=3.6 每 82.8mm)|
|Practical f-value||f=3.6 每 82.8mm|
|Practical Horiz. Angle||54∼(w) 每 2.5∼(t)|
|F-value||F1.6(w)* - F3.7(t)|
|Zoom Speed (Manual)||4.2s*/5.8s (soft); (In Preset: Trace / No-): 2.9s/1.5s (soft)|
|Manual (Fan/Near)||Provided (soft)|
|Focal Range||infinity 每 1m(t) 每 0.01m(w)* (soft)|
|Auto||Pro. AER * (OFF 每 ON 每 1/3* -1/4k)|
|Manual (ON/OFF)||Provided (soft)|
|IR Removable||50k cycles|
|Method||Speed: RS-232C : 57.6k / 38.4k / 19.2k / 9.6k / 4.8k* bps|
|Digital Slow Shutter||Yes (SDRAM I/F) w/o WDR|
|Frame Output||OFF * / ON (soft)|
|Wide Dynamic Range||OFF* / ON (Auto* [offset] /Manual) (soft)|
|Image Reverse||OFF* / ON (soft)|
|Mirror||OFF* / ON (soft)|
|Image Freeze||OFF* / ON (soft)|
|Vertical Invert||OFF* / ON (soft)|
|B&W||OFF* / ON (soft)|
|Privacy Masking||OFF* / ON [2 zone 2-D / 8 zone 3-D (4/1 screen)] (soft)|
|Motion Detect||OFF* / ON (soft)|
|FNR (Frame Noise Reduction)||OFF* / ON (soft)|
|Various Customizable Settings||Yes [Preset store (max. 111), WB tuning]|
|Dynamic Spot Cancel||Auto|
|Zoom Mag.||OFF* / ON (12x* [soft: max. 12x])|
|Auto||Pro. AE (1/50 每 1/4ks)|
|Auto ( DS Shutter)||Pro. AE (1/1.5 每 1/3* - 1/4ks : Seamless)|
|Manual||Shutter priority 1/1.5 每 1/30ks: soft; Exposure priority F1.6 每 F34: soft; AGC priority 0 每 30dB: soft|
|Manual (Sensitivity)||32x, 16x, 8x, 4x, 2x (soft)|
|Iris||Auto*/(offset: soft) w/o WDR|
|White Balance||Auto*/(manu: soft)|
|Normal||Typ.540 Min. 520 / (400) TVL (1/50s)|
|Luminance S/N Ratio||50 dB or more|
|IR-cut ON||1.0 lx (1/50s); 0.1 lx (1/3s); 0.05 lx (1/1.5s)|
|IR-cut OFF||Approx: 0.01 lx (B/W) (1/3s)|
|Sync System||Internal / Line-Lock (50Hz)|
|Supplied Voltage||9-12V DC|
|Supplied Current||220mA w/ WDR|
|Max.||470mA w/ WDR|
|Consumption||2.0 W (4.3W) w/ WDR|
|Video Output(digital output)||YUV422 8bit output (REC656 type)|
|Dimension (W x H x D)||50 x 60 x 89.5mm (w/ M-case)|
|Weight||225g (w/ M-case)|
|No. of Connectors||2 (9 pin, 24pin)|
|Operating Temp.(Recommended)||[∼C]: 0 每 60∼C (0 每 40∼C)|
|Others||Color is not same as VK-S454R/ER due to difference of sensor and DSP.|