Mobile Video Surveillance Units for Railway Coache&EMUs (Coaches Ends)

l

Sensor

CMOS，Progressive scan over 2 million pixels

2

Focus

f:2.4mm～6.4mm

3

Aperture

F:2.0～3.25

4

Resolution

Support 1920×1080/1280×720 adjustable

5

FPS

Support 60fps, 30fps and 25fps adjustable

6

Electronic gyroscope

3 axis

7

Audio/Video Synchronization

Out-of-step time of audio and video signals is less than or equal to 300ms

8

Storage Media

Read speed greater than 8OMByte / s, write speed greater than 20MByte / s, erasable not less than 3000 times,

The number of times of plugging and unplugging without failure is more significant than 2000 times.

9

Perspective

The monitoring device can adjust the angle to meet the requirements of the monitoring viewing angle.

10

WDR

≥54dB

11

SNR

≥52dB

12

Recording mode

With automatic exposure, automatic white balance, white balance automatic conversion time is not more than 3s

13

Infra-red night vision

With infrared night vision fill light, infrared adaptive; Effective infrared night vision distance of 5m at 0.1LUX can see the facial features of people, 10m range can see the outline of the human body.

14

File format

Video encoding format H.264 or H.265, MP4, AVI format output available, image naming information can be superimposed; audio encoding format AAC, audio encapsulation format WAV or MP3; photo format at least support JPEG.

15

Information browsing, retrieval, and playback

Support the function of audio and video browsing and playback by time, etc. as the search method

16

Data loss prevention function

In the recording process, in case of external power failure, the device automatically saves the recorded data before shutting down; the recorded data cannot be lost or damaged after restarting in case of abnormal conditions.

17

timing

With the calibration function, the time and standard time error should be less than or equal to 3s / day.

18

Operation Tip and status indications

With on/off prompting function can display the recording status, system time, storage capacity, and other information.

19

Interface

With :

(a) USB3.0 interface:for downloading data.

(b) Ethernet interface: for external authorized terminals to set parameters, update the system and download data, etc.

(c) storage media interface: used for plugging and replacing storage media.

(d) Vehicle power supply access interface:Used to access vehicle power supply and provide power for the device.

20

Power Supply

DC9~36V\DC18~75V\DC48~160V

21

Size

Less than 15Omm×120mm×10Omm，confirmed by design.

22

Weight

1000g

23

Marking

With unique device code

24

Lifespan

No less than 12 years for video capture and storage units, no less than 30 years for shields, mounts, side covers, and no less than 12 years for cables, connectors, and connection terminals.

25

POWER

≤10W

26

IP Class

Not less than IP54

27

IK Class

Not less than IKO8