I need a 12 volt NVR or DVR

Discussion in 'NVR's, DVR's & Computers' started by freqflyer, Feb 13, 2018.

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  1. freqflyer

    freqflyer Young grasshopper

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    I have to put cameras on a piece of equipment at work. We keep getting a fault codes and the manufaacturering is claiming it is operator error. We don't believe it is.

    I would prefer a NVR but will accept a DVR.

    i would like to have at least 1080p cameras.

    I need two channels but would prefer three.

    One camera will on the roof of the cab facing forward to see the position of the controls arms.

    The two will be inside the cab. One will be on the ceiling facing down at the instrument panel. It is not critial that it be able to read the instruments, just for us to be able to determine which lights on the panel are on.
    The third will be behind the driver facing forward.

    The budget is 1500 dollars or less for two units

    I would like variable focal cameras but that is not a must.

    Does anybody have any ideas? It must be 12volt. It must start on power up. Storage capacity is not critical. An hour would be plenty.

    Thank you for your input.
     
  2. Mr_D

    Mr_D Pulling my weight

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    Can't use an inverter?
     
  3. tangent

    tangent Known around here

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    Contact @EMPIRETECANDY about something like this: MNVR1104
    you may not get a response until after 2/25 due to Chinese new year.
     
  4. Fastb

    Fastb Known around here

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    I worked for a company that made systems for 12V vehicles (police, buses) and for other DC powered vehicles (RR, with 72 V power, typically)

    My suggestion: check for NVR and cams for vehicles. Esp if recording AFTER the DC power is cut, due to an accident. ie: supercap bank for 20 seconds of recording, or an NVR system that has backup battery to run the system for several minutes after DC power is cut.

    Cams and NVR on vehicles present unique challenges, compared to AC powered systems that might rely on a run-of-the-mill UPS. A UPS system to protect an AC powered PC land based system is very different than a system that will protect a DC powered vehicle powered system.

    My 2 cents.

    Fastb
     
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  5. freqflyer

    freqflyer Young grasshopper

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    I can if I have to. What system would you suggest if I did?
     
  6. tangent

    tangent Known around here

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    The Dahua MNVR I linked above is 4 ch and operates on 6-36V. Looks like these run around $400 a piece. HDD and cameras not included.
     
  7. ldasilva

    ldasilva Pulling my weight

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    Last edited: Feb 14, 2018
  8. freqflyer

    freqflyer Young grasshopper

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    I'm concerned about the schock from hitting bumps. This thing only goes about 5 miles an hour but it does not have a suspension.
     
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  9. freqflyer

    freqflyer Young grasshopper

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    I'm concerned about the schock from hitting bumps. This thing only goes about 5 miles an hour but it does not have a suspension.
    Link did not work.
     
  10. weigle2

    weigle2 Pulling my weight

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    If the length of time you need to record is relatively short, why not just put MicroSD cards in each camera. This would solve the bumping issue, lessen the cost, and be very reliable and easier to set up.
     
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  11. ldasilva

    ldasilva Pulling my weight

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    try now
     
  12. framednlv

    framednlv Getting the hang of it

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    Can't you use a dash cams or any camera with built in SD card?
     
  13. tangent

    tangent Known around here

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  14. freqflyer

    freqflyer Young grasshopper

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    That's a great idea. I didn't realize the cameras would work with just an sd card in them. Would I plug the camera into my laptop with a cat 5 cable, configure the camera, then disconnect and just power with a poe?
     
  15. weigle2

    weigle2 Pulling my weight

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    I would power the cameras with an external power supply which most cameras have a provision for. This is generally 12 volts. You would only need to connect to them to either configure the camera, or to download or view video from the microSD card. You could also power it over POE, but then you add expense and more gear to deal with.
     
  16. tangent

    tangent Known around here

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    A lot of cameras can be a bit temperamental about 12v supplies. It would certainly need to be something well regulated and not just connected to the battery. If you don't want to do the MNVR, I'd try to find a 12v PoE switch like this (which is only about $150 less than the mnvr): Veracity 4+1-Port CAMSWITCH Mobile Low-Voltage VCS-4P1-MOB B&H.

    Cameras with alarm i/o may be desirable as it could provide an easy way of turning recording on and off if you don't use the mnvr.
     
  17. freqflyer

    freqflyer Young grasshopper

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    Can you please explain alarm I/O? Also, i would love to see some examples of cameras that would work.
     
  18. jaycanter

    jaycanter Getting the hang of it

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    I have an empty building that i take care of for a out of state customer. So that i didn't have to drive an hour each way to go check the building several times a week i set up a system off of 12 volt car batteries.

    There are 4 batteries hooked up running everything and get about 10 days before swapping out with charged batteries. I am running a combination of 8 different Dahua cams with and Amcrest NVR. They are plugged in to a amped wireless extender connected to a T-Mobile hotspot. Everything is 12 volts so no inverter needed, everything just wired to the batteries. The cams do have memory cards that record motion for backup in case the nvr or extender dies. Then Nvr records 24/7.

    It's been up and running for almost 2 years now with no problems.

    Nvr was 100.00 plus hard drive cost and extender was 45.00 at Micro Center on sale.

    I have a 4K Dahua mobile Cam on order from Andy but those and the Mobile dvr are 2 to 3 months to get in stock.

    I am Taking another Amcrest Nvr and pulling the board out connecting an ssd and mounting it in 1 of my vehicles to test since theres no moving parts.
     
  19. ldasilva

    ldasilva Pulling my weight

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    what type of batteries are you using what amp hrs are they?
     
  20. jaycanter

    jaycanter Getting the hang of it

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    there 6 or 700 cold cranking amp car batteries the customer bought at sears auto center. I would have to go out the the garage tomorrow to verify.
     
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