The ornamental design for a spectrometer, as shown and described.
1. Spectrometer
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Top
1.5 : Bottom
1.6 : Left
1.7 : Right
1.8 : Partial enlarged vertical sectional view
1.9 : Partial enlarged front view
1.10 : Partial enlarged perspective view
The broken line showing is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design. The dash-dot-dash lines represent the boundary of the claimed design.
This article is a micro spectrometer used in a wide range of applications; the article has a two-dimensional code on the flat front surface of the housing; the parts shown as solid lines are parts for which design registration is sought; the alternating long and short dashed lines in the drawings only indicate lines dividing our inventive design claimed herein from other parts which are not claimed; reproduction 1.8 is a partial enlarged vertical cross-sectional view through the two-dimensional code of reproduction 1.2.