These are custom spectrometers/spectrographs so I wasn't able to get every single specification off of them but I did test them and they operate beautifully after installing Ocean View software. Range for any of the 3 available are 466-670nm (they vary by about 1nm). Dark counts measured = 25cts +/- 2 for all three. Fiber looks to be single and roughly 200 micron diameter. No stray light detection - going by Ocean Optics info, the fiber is likely a.
Connectors: SMA 905 to ST fiber. On the bottom there is a heating element as well. On the side is a 20pin connector - assuming that is for triggering and there are some sort of thermistor chips inserted inside body.Feel free to ask questions and make an offer! The item "Ocean Optics HR2000 High Resolution Visible Spectrometer Tested and Working" is in sale since Monday, December 05, 2016. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Lab Lasers & Photonics". The seller is "astrobrothers" and is located in Pepperell, Massachusetts. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, China, Sweden, South Korea, Indonesia, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica.