Cameras and Domes

PIR Cameras

Type

 

 

Order No.

VCD120-12

1/3" CCD Monochrome Camera 420 TVL with PIR-Detector‚

2GF1082-8EA

 

CCIR‚ 12 V DC

 

 

 

The discrete‚ high-quality monochrome camera with a working PIR in a

 

 

standard Siemens detector housing is suitable for installations requir-

 

 

ing CCTV surveillance and reliable motion detection. The detection

 

 

range of the PIR has the same surveillance range as the camera - ideal

 

 

for remote transmission systems. A wall mounting bracket is included.

 

 

Television standard

CCIR: 625 lines‚ 50 fields‚

 

 

 

50 Hz (vertically)‚

 

 

 

15.625 Hz (horizontally)

 

 

Pixels

500 (H) x 582 (V)

 

 

Horizontal resolution

> 420 TV lines

 

 

Minimum illumination

0.8 Lux (F2.0 @ 50IRE)

 

 

Horizontal angle of view

90°

 

 

Lens

3.0 mm‚ F2.0

 

 

S/N ratio

> 45 dB

 

 

Synchronisation

Internal or external

 

 

Gain control

Automatic

 

 

White balance control

Auto

 

 

Detection range

12 m

 

 

Electronic shutter

Auto (1/50 to 1/120‚000 s)

 

 

Electronic shutter (AES)

Autom. 1/50 to 1/100K s

 

 

Back-light compensation

Automatic

 

 

Optical system

Black infrared mirror 12 m /52 zones

 

 

Alarm output contact rating

Opens on alarm‚ 30 V DC‚ 100 mA

 

 

Tamper output contact rating

30 V DC‚ 100 mA

 

 

Sensitivity evaluation mode

3 settings

 

 

Max. pet weight

Max. 10 kg with optional pet clip

 

 

Maximum relative aperture

F2.0

 

 

Protection rating

IP41

 

 

Dimensions (W x H x D)

50 x 115 x 65 mm

 

 

Power requirements

12 V DC‚ 110 mA

 

 

Power consumption

1.5 W

 

 

Weight

0.10 kg

 

 

 

 

 

 

 

 

 

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© Siemens Building Technologies Group

Page 56
Image 56
Siemens TFT, CRT manual PIR Cameras, CCIR‚ 12 V DC

CRT, TFT specifications

Siemens, a prominent name in electronics and engineering, has made significant contributions to display technology, particularly in the realms of Thin Film Transistor (TFT) and Cathode Ray Tube (CRT) displays. These technologies have paved the way for advancements in visual media, ranging from television sets to computer monitors.

TFT display technology, a type of LCD (Liquid Crystal Display), employs thin film transistors to produce brighter and more vibrant images. One of the main features of TFT displays is their ability to deliver high resolution and excellent color reproduction, making them ideal for various applications such as smartphones, tablets, and laptops. TFT screens utilize an active matrix approach, which allows each pixel to be controlled individually. This method results in faster response times and improved image quality, with less motion blur, compared to older passive matrix displays.

One of the key characteristics of TFT technology is its versatility in different settings. It supports a wide range of viewing angles, which enhances the user experience whether one is viewing the display head-on or at an angle. Additionally, TFT displays are known for their thin profile and lightweight design, contributing to the overall portability of devices that incorporate them.

On the other hand, CRT technology, which was once the standard for televisions and computer monitors, uses electron beams and phosphorescent screens to produce images. One of the defining features of CRTs is their ability to display deep blacks and a wide color gamut. CRT technology can achieve high refresh rates, reducing flicker and improving the quality of fast-paced visuals. However, CRTs tend to be bulkier and heavier than modern display technologies like TFT.

Despite the evolution towards flat-panel displays, CRT technology is still appreciated for its natural color and motion portrayal. Siemens has leveraged these characteristics to produce quality CRT monitors that were favored in professional settings, including graphic design and medical imaging, where color accuracy is paramount.

In summary, Siemens has played a vital role in advancing both TFT and CRT technologies. TFT displays are recognized for their high resolution, fast response times, and design versatility, while CRTs are celebrated for their rich color and depth. As technology continues to advance, the legacy of these display types remains influential in shaping modern electronic devices.