AHD1080P car mounted monitoring hemispherical bus school bus high-definition night vision camera

2.2 Product Introduction:
2 . 2.1 The product is connected to a display or video recorder product ,  forming a video surveillance system .  The connection is defined in the parameter table above 2.1 .  The product is powered from the display or video recorder host   and there may be interference or voltage instability caused by power supply from the vehicle alone  
2 . 2.2 The product is equipped with LED supplementary light   which is controlled by a photosensitive tube to turn on the LED light at night and off during the day 
2 . 2.3 Adjustable angle

1. Performance standards
3.1 Reliability testing and standards
Number Test Item Test Conditions and Results
1 . Information  size   and specification confirmation test conditions :  confirmation with specifications and drawings
Judgment basis :  In accordance with the requirements of the specifications    drawings   etc
2 . High temperature storage test conditions : +85 ℃, 24 hours
Judgment basis :  No deformation   cracking    etc
3  . Low temperature storage test conditions : -40 ℃   24 hours
Judgment basis : No deformation  cracking   etc
4 . High temperature working test conditions   :+70 ℃  72 hours
Judgment basis :  Normal function
5 Low temperature working test conditions :  -30 ℃  72 hours
Judgment basis :  Normal function
6 . High and low temperature cycling test conditions :  -30 ℃/+70 ℃  72 hours
Judgment basis :  Normal function

7 . Static electricity testing conditions :  ± 15KV air gap/± 8KV contact discharge    20 times per point
Judgment basis :  Normal function
Test conditions for spark interference test :  0 - 200Hz sweep frequency   8h
Judgment basis :  Normal function   no screen distortion   etc
9 Vibration testing conditions :  fixed frequency 10Hz    intensity 25%    8h in each direction
Sweep frequency 5-200Hz     intensity 10% -60%    8h in each direction
Judgment basis: Normal function
10. Cold and hot shock test conditions: -40 ℃/+85 ℃, 72 hours
Judgment basis :  Normal function
11 Constant humidity and heat test conditions  :  40 ℃   48 hours    90% -95% relative humidity
Judgment basis :  Normal function
12 plug test conditions :  1000 times
Judgment basis :  Normal function   no obvious poor contact    etc
13 .  Test conditions for swing test :   ±  45 ° swing 500 times
Judgment basis :  No obvious damage    no breakage   etc
Test conditions for tension and terminal retention force test :  vertical pulling   with reference to Attachment 1 for tensio

14 . Test conditions for tension and terminal retention force test :  vertical pulling   with reference to Attachment 1 for tension value
Judgment basis :  No pulling or falling off

15 Salt spray test reference standard : GB_ T6461 - 2002 Rating of specimens and specimens after corrosion testing of metal and other inorganic coatings on metal substrates
Test conditions :  periodic spray (spray for 8h   stop for 16h)  72h
Judgment basis : No severe rust spots    corrosion   etc
16 Test conditions for UV aging test :  Refer to GB / T 16422.3 - 2014
Judgment basis :  Refer to GB/T 16422.3-2014
17 Switching on/off test conditions :  Repeated switching on/off    20000 times
Judgment basis :  Normal function
18 Drop test conditions :  Free drop from a height of 1 meter, once on each side (refer to GB/T 2423.8)
Judgment basis :  Normal function   no serious damage to appearance   etc
19 Actual vehicle testing conditions :  1 week of actual vehicle testing
Judgment basis :  Relevant functions are normal