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Thread: Laser-wave to CNI Compare Test

  1. #41
    Join Date
    Mar 2008
    Posts
    23

    Default we need the fair comments for the lasers.

    I think you should test the output power at the same sample value of input voltage whether with CNI or laserwave.You didn't test the output from 3V-4V of laserwave.

  2. #42
    Join Date
    Mar 2008
    Posts
    23

    Default Emitting voltage of laser

    CNI laser,the standard of emitting volate is about 1.2V,if you need special emitting voltage,please tell us.We can do accordingly.I think it's really a problem.Only need to say when you order something.As for the dip of 3-4V dip,I think the laser system need to adapt with the software.I think you can avoid the dip by not choosing the voltage.Anyway,we also can offer the ones without dip,also please let me know before you order.Thanks anyway for all the customers who interested in CNI lasers.We are sincerely hope that we have opportunity to cooperate with you in the near future.

    www.cnilaser.com
    cnitra@public.cc.jl.cn

    best regards to all.

  3. #43
    Join Date
    Jan 2007
    Location
    Cupertino, California
    Posts
    2,130

    Default

    But can you do that without charging extra?
    CLICKY!!!

    Admin: In the immortal words of Captain Planet: YOU HAVE THE POWER
    Admin: (To quit being a bitch)

  4. #44
    Join Date
    May 2007
    Location
    Milwaukee WI
    Posts
    1,355

    Default

    Quote Originally Posted by Laser Ben View Post
    But can you do that without charging extra?
    And the dip shouldn't be there in the first place - especially in the case of laser show use. Our software relies upon the linearity of the laser's analog modulation.

  5. #45
    Join Date
    Mar 2008
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    23

    Default

    Quote Originally Posted by Laser Ben View Post
    But can you do that without charging extra?
    Yes,we'd like to do so.

  6. #46
    Join Date
    Mar 2008
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    23

    Default

    Quote Originally Posted by Laser Ben View Post
    But can you do that without charging extra?
    YES,we can do that without extra charge for you.

  7. #47
    Join Date
    Mar 2008
    Posts
    23

    Post Phillip only buy 250mW green from CNI,NOT 400mW

    Quote Originally Posted by Laser Ben View Post
    But can you do that without charging extra?
    I sell lasers to phillip,but he never buy 400mW,only 250mW all the time.
    I don't know where he got the laser said 400mW and compare it to laserwave.

  8. #48
    Join Date
    Mar 2007
    Location
    Rotorua New Zealand
    Posts
    528

    Default

    I have purchased CNI lasers and others.

    It appears to me, apart from the technical discussions here in this regard, that one lesson that needs to be learnt by "Us" and / or by the "Chinese manufacturer" is the need for very very very clear communications in regard to what you want and what they need to supply.

    I have some issues with my CNI lasers nothing major but annoying non the less.
    When asked about it CNI replied that "had I asked for it" !! they could have done this or that.

    This comes under buyer beware. We may need to be very very very specific what it is we want from these people before we order a product.
    Otherwise they will ship what "they" want us to have at a price point.

    Perhaps CNI and others need to make it clearer that they do in fact offer two types of supply service..
    1) Off the shelf ... that is, what they want to give us.
    2) a custom unit built to our specifications. (maybe at a cost increase)

    It would be nicer if say CNI and others would tell you this before they ship their product rather than after it has arrived in your country.

    In other words CNI and others will need to lift their selling game to a higher standard.
    Perhaps this process is starting with Bridge offering his service and claiming a superior product.. only time will tell.

    The question above asking at what cost would CNI be able to supply this feature or that is reasonable but it may first pay to know the actual costs of both lasers in the test. That is are we comparing apples with apples.
    After all the power is only one part of many in the equation.
    I have both current price lists and there is some cost differences between these two companies over different models but in the same power range.
    If indeed price is any measure of quality.

    Just some thought for future orders to whomever you favour as your supplier..
    Dig deep for info' before you dig deep into your pocket I know I will in the future.


    Cheers

    Ray

  9. #49
    Join Date
    Mar 2008
    Posts
    23

    Default thanks

    thanks ray.

    As for the specs the customers need,only some customers described them in detail.I know sometimes,we maybe don't do enough work for it.Really sorry about that.
    We CNI should ask more and do more before arrange the order.We'll do more carefully from now.Thanks for your good comments.
    We have made more detailed datasheets on website,please try to take a look at them.I hope it's useful for you.If you are not specialist in lasers,you only need to tell us the which page of which model you want,and we can arrange the order accordingly.I think we can avoid some problem.

    Thanks a lot for your words.We CNI all sales colleague will do our best to improve the sales standard.

    www.cniaser.com
    avazlp@163.com

  10. #50
    Join Date
    Mar 2007
    Location
    Rotorua New Zealand
    Posts
    528

    Default

    A little more information in the interest of "supply" debate.

    Pricing..

    I have the pricing from three manufacturers direct. These are CNI, Viasho and Laserwave.
    These prices have all been obtained over recent weeks and in no case older than 6 weeks ago.

    These are not prices from third parties or retailers they are from the actual (allegedly) manufacturer.

    The pricing just goes to show that you may possibly be already paying a margin for a higher quality (?) to get that nicer specification.

    I will list these but am not saying who's price is what (not relevant) this is just to demonstrate the issue of pricing over a similar power green laser module by three separate manufacturers.

    300mw, green analogue, TEM00..... $480.00, $739.00,$700.00
    500mw, green analogue, TEM00..... $1150.00, $1330.00,$1000.00
    1000mw, Green analogue, TEM00 ...$2000.00, $2305.00,$1800.00
    all US$

    Now take a look at the spread of the three manufacturers, for say the 1 watt unit with a price differential of some $505.00... is this REALLY for the same laser ?? or does one have more "smarts / quality" then the other ??
    or is it the attempt of a supplier just to make the most money from his product ?

    Hence why we need to do a LOT of homework PRIOR to ordering to ensure we get what it is we think we need.

    Anyway food for thought .. I have no bias at this time as so far I think they could all do with improving their product presentation and final quality control.
    It may now be a good thing that we have all three ( CNI, .. Frank@ Viasho, ... Bridge @ Laserwave) represented on PL now so we can work with them to provide the best product to a higher standard that we should be able to expect.

    I stress that none of my lasers from China have been without issues of some kind. None too serious but compared to what we should be able to get... well not that good either.

    Cheers

    Ray
    NZ

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