1. Comparison of Low Cost Miniature Spectrometers for Volcanic SO2 Emission Measurements
- Author
-
Andrew J. S. McGonigle, Robert G. Bryant, and E. P. Kantzas
- Subjects
Engineering ,geography ,geography.geographical_feature_category ,Spectrometer ,business.industry ,ultraviolet spectrometers ,differential optical absorption spectroscopy ,Electrical engineering ,Time resolution ,USB ,lcsh:Chemical technology ,Biochemistry ,Atomic and Molecular Physics, and Optics ,Article ,Analytical Chemistry ,law.invention ,volcanic SO2 monitoring ,Volcano ,law ,lcsh:TP1-1185 ,Electrical and Electronic Engineering ,business ,Instrumentation ,Remote sensing - Abstract
Miniature ultraviolet USB coupled spectrometers have become ubiquitously applied over the last decade for making volcanic SO(2) emission rate measurements. The dominantly applied unit has recently been discontinued however, raising the question of which currently available devices should now be implemented. In this paper, we consider, and make recommendations on this matter, by studying a number of inexpensive compact spectrometers in respect of measurement performance and thermal behaviour. Of the studied units, the Avaspec demonstrated the best prospects for the highest time resolution applications, but in the majority of cases, we anticipate users likely preferring the less bulky USB2000+s.
- Published
- 2009