PASCO SP-9268A - Manuals - manualsarea.com

Page 3 - Section; Table of Contents

012-02135F Spectrometer ® i Section Page Equipment Return ............................................................................................. ii Introduction ...................................................................................................... 1 Equipment ....................

Page 4 - Equipment Return; Copyright Notice; Copyright, Warranty and Equipment Return

Spectrometer 012-02135F ® ii Equipment Return Should this product have to be returned to PASCOscientific, for whatever reason, notify PASCO scientificby letter or phone BEFORE returning the product. Uponnotification, the return authorization and shippinginstructions will be promptly issued. NOTE: NO...

Page 5 - Introduction

1 012-02135F Student Spectrometer ® COLLIMATOR SLIT RED LIGHT TELESCOPE COLLIMATOR LIGHT SOURCE PARALLEL BEAM DIFFRACTION GRATING (OR PRISM) GREEN LIGHT ANGLE OF DIFFRACTION EYE PIECE Introduction In principle, a spectrometer is the simplest of scientificinstruments. Bend a beam of light with a pris...

Page 6 - Equipment; Collimator and Telescope

2 Student Spectrometer 012-02135F ® Equipment The PASCO scientific Model SP-9268A Student Spec-trometer provides precise spectroscopic measurementsusing either a prism or a diffraction grating as the dif-fracting element. The spectrometer includes the follow-ing equipment (see Fig 2). Collimator and...

Page 7 - Equipment Setup; Leveling the Spectrometer

3 012-02135F Student Spectrometer ¨ Equipment Setup NOTE: If you are using the optional GaussianEyepiece (SP-9285), equipment setup is somewhatsimpler than described below. See the Appendixfor instructions. Leveling the Spectrometer For accurate results, the diffracting element must beproperly align...

Page 8 - Measuring Angles of Diffraction; Reading the Vernier Scales

4 Student Spectrometer 012-02135F ¨ 2. The mounting pillars of the telescope and collimatorcan be rotated by using an Allen wrench to loosen thescrews that attach the pillars to their respective bases.To loosen the screw for the collimator, the spec-trometer must be removed from the wood base. 3. To...

Page 9 - Using the Diffraction Grating; Aligning the Grating

5 012-02135F Student Spectrometer ¨ Using the Diffraction Grating IMPORTANT: The Diffraction Grating is a deli-cate component. Be careful not to scratch the sur-face and always replace it in the protective foamwrapping when it is not being used. Aligning the Grating To accurately calculate wavelengt...

Page 10 - Making the Reading; Using the Prism; Advantages and Disadvantages; sin

6 Student Spectrometer 012-02135F ¨ 9. Repeat steps 6-8 until the angles for the correspond- ing slit images are the same to within one minute ofarc. Making the Reading Once the grating is aligned, do not rotate the rotatingtable or its base again. Diffraction angles are measuredas described in the ...

Page 12 - Maintenance

8 Student Spectrometer 012-02135F ¨ Maintenance IMPORTANT: Always handle the spectrometerand its accessories with care to avoid scratchingthe optical surfaces and throwing off the align-ment. Also, when not in use, the spectrometershould be stored in its hardwood case. Periodically clean the telesco...

Page 13 - Appendix: Using the Gaussian Eyepiece

9 012-02135F Student Spectrometer ¨ The optional Gaussian eyepiece (Model SP-9285) sim-plifies the task of aligning and focusing the spectrometerand aligning the diffraction grating. One Gaussian eye-piece can be used to align and focus any number of spec-trometers, so only one is generally needed p...

Page 14 - Alignment Error

10 Student Spectrometer 012-02135F ¨ 13. Illuminate the slit with an external light source. Ro- tate the telescope directly opposite the collimatorand focus the collimator only (do not disturb thetelescope focus) until the illuminated slit is in sharpfocus. If the collimator slit is not vertical, lo...

Page 15 - Technical Support; FeedBack

11 012-02135F Student Spectrometer ¨ Technical Support FeedBack If you have any comments about this product or thismanual please let us know. If you have any suggestionson alternate experiments or find a problem in the manualplease tell us. PASCO appreciates any customer feed-back. Your input helps ...