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eBay Higher Sensitivity USB Spectrometer 355nm to more than 880nm (+/- 15nm) The calibrated M-Spectrometer is an advanced SMA series model that offers superior sensitivity to light with a monochrome detector of the 350-890nm wavelength range. The actual model has 1200 Pixels and more than 2.5 times more sensitive than the SMA-E Spectrometer model. With much better sensitivity in the UV range. (Please, for a full reviw of this isntrument, visit this blog for the SMA-E Spectrometer performances): https://physicsopenlab.org/2021/06/11/thunder-optics-spectrometer-spectragryph-2/ ) It has a 100um slit (optional : 50, 100 or 200µm) in addition to the SMA905 connector. So, both modes are possible, you can use it with our the optical fiber, just direct the slit to the light source, or better, attache the optical fiber and collecte the light. The spectrometer is sold with no optical fiber. You can also connect the second end of the optical fiber to a collimator (the we sell on ebay also, a Thorlab part that we sell at a high discount price) Thanks to the quality of our instruments and parts, More and more educational and research institutions are using our instruments. This is the best recongnition of the quality and services we provide to our clients. Please visit our webpage thunderoptics.fr to see the institution that are using our USB Spectrometers in their research of educational programs in the page “They-trust-us-They-use-our-instruments” The resolution is less than 1nm as youcan see in the attached spectra. Once Plugged, run the FREE Software (There are two free softwares,download the software from the link you will get on the eBay bill) and start acquiring spectra and analyzing light from different light sources. Actually, we offer for free a research grade spectrocopy software in some cases, please, contact us first. The software is free only for non-commercial applications ! Sotware works on Windows OS. We share with you some spectra taken with the Optical Fiber spectrometer, you can have an idea about the high sensitivity of the spectrometer by comparing the actual M-Spectrometer to the standard SMA-E Spectrometer! Clear improvement are visible in the comparative spectra : – Higher sensitivity in the UV region (more than 20 times better) – gives a smooth response (there is no dip in the sensitivity round 550 nm as in the SMA-E Model : look at the solar spectrum smoothness obtained with the M-Spectrometer. – Better sensitivity on the overal range of the spectrometer. Also, the new model lets you have the solar spectrom (difuse light, the direct light will saturate the detector) lets you observe the atmospheric absorption lines of O2, H2O … With this USB Spectrometer you can do several experiments, for example: 1- Analyze the light emitted from light sources (see the attached image) 2- Transmission of filters (there is an example of a Clean Line filter and one for a Long Pass filter) 3- Absorbance / Transmittance of substances (oil, colored liquids … the last picture shows the absorbtion spectrum of Olive Oil) 4- Calibrate the spectrometer to calculate densities To get more of this spectrometer, you can connect it to other Thunder Optics products : – Light Source Mini LS https://www.ebay.com/itm/284149922066 – Cuvette Holder for absorption / transmission experiments https://www.ebay.com/itm/284124779746 This item in an analytical instrument, dedicated mostly for education and hobbyists (and some research projects!) Our team will help you to use it and get the maximum from this scientific beauty Features Monochrome CMOS detector of 1200 pixels. Wavelength range over 480nm with a resolution of less than 1.5nm at 550nm. USB 2.0 Handy use to use. 100 micrometers slit and 1000 l/m gratings. M-Spectrometer is sold calibrated (+/- 0.5nm). Replaceable slit 100µm (standard), 50 or 200µm SMA905 connector aligns the spectrometer with the light source and an optical fiber Below are the top improvements made to the M-Spectrometer model to maximize its efficiency: The use of a monochrome detector to eliminate the decay of the signal around 550nm (Bayer filter effect) Three times greater sensitivity than the SMA-E models Enhanced UV detection (at least five times more sensitive) A wider acquisition time range for weak signal detection Please, contact us for buying the item and thunderoptics.fr (contact form) for any technical details or questions/ IMPORTANT : We would like to inform our customers that because of the big selling fees on eBay, we have to increase our sell prices compare to our standard prices on site. you can order also an optical fiber for the spectrometer and a colimator (see our other products on sale) ThunderOptics.fr
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