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    B&W-tech Spectrometer & 473 module: Setup+Mods+Info

    Re: B&Wtech 473nm unit / Spectrometer Mods & Info Yep, the PCBs have (c) 1998 on the silkscreen, and some of the chip date codes I can see are also 1998. So, they're basically 20 years old. They have a few warm pixels on long integrations. That looks like a HP 1740 in your avatar.
  2. R

    B&W-tech Spectrometer & 473 module: Setup+Mods+Info

    Re: B&Wtech 473nm unit / Spectrometer Mods & Info Hello everyone. I discovered this forum while looking for more info on these units and thought I'd share my experience. I bought several of these units, and although I was mainly interested in the spectrometers, I did get two with lasers. I...


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