Meteor spectroscopy is possible with the Star Analyser and a wide field camera
http://www.threehillsobservatory.co.uk/astro/spectra_20.htm
but a grating with higher dispersion would be better eg 300 or even 600 l/mm depending on the lens focal length and sensor size. Bill Ward would be able to advise on the optimum setup
https://britastro.org/user/213
Cheers
Robin