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User Manual

The Selector™ Diffuse Reflectance Accessory
P/N GS19900

USER MANUAL- CONTENTS

NTRODUCTION

................................................................................. 3

NPACKING AND

HECKLIST

............................................................. 5

AFETY IN

SE OF THE

ELECTOR

™

CCESSORY

............................. 6

PTICAL

AYOUT AND

NSTALLATION OF THE

ELECTOR

™ ................. 7

ELECTOR

™

CCESSORY

PTICAL

AYOUT

........................... 7

ELECTOR

™

CCESSORY

PTICAL

AYOUT

......................... 10

NSTALLATION OF THE

ELECTOR

™

CCESSORY

............................. 13

LIGNMENT OF THE

ELECTOR

™

CCESSORY

................................. 16

AMPLE

NTRODUCTION INTO THE

AMPLING

............................ 16

INE

LIGNMENT

INAL

UTPUT

IRROR

DJUSTMENT

................. 18

UTPUT

LLIPSOID

IRROR

DJUSTMENT

.................................. 21

ICROMETER

CREW

DJUSTMENT

................................................ 22

AMPLE

NALYSIS

.......................................................................... 24

AMPLE

PTIONS

................................................................... 24

IAMETER

TANDARD

AMPLE

....................................... 24

IAMETER

ICRO

AMPLE

............................................... 25

IABRAZE

AD AND

IABRAZE

OUNT

OLDER

........................ 25

ILTED

OTAL

EFLECTANCE

)

AMPLE

..................................

ROCEDURE

AMPLE

EASUREMENTS

.................................... 28

SING

AMPLE

PTION

........................................................ 28

SING

IABRAZE

PTION

..................................................... 29

ARE AND

AINTENANCE

................................................................ 31

EGEND FOR THE

ELECTOR

™

CCESSORY

.................................... 32

PARE

ARTS FOR THE

ELECTOR

™ .............................................. 33

10.

ELECTOR

™

ASEPLATE

NSTALLATION

UIDE

.............................. 34

Brilliant Spectroscopy is a trademark of Specac Ltd.

Other product names mentioned herein may be trademarks

of their respective owners.

Содержание Selector GS19900

Страница 1: ...The Selector Diffuse Reflectance Accessory User Manual 2I 19900 Issue 7...

Страница 2: ......

Страница 3: ...The Selector Diffuse Reflectance Accessory User Manual 2I 19900 Issue 7...

Страница 4: ...T 18 OUTPUT ELLIPSOID MIRROR E2 ADJUSTMENT 21 MICROMETER SCREW ADJUSTMENT 22 6 SAMPLE ANALYSIS 24 SAMPLE CUP OPTIONS 24 11MM DIAMETER STANDARD SAMPLE CUP 24 4MM DIAMETER MICRO SAMPLE CUP 25 DIABRAZE P...

Страница 5: ...or the expansion of use of the Selector optics with alternative specialized baseplates such as the Environmental Chamber P N GS19930 The Selector accessory is provided with a range of sampling cups fo...

Страница 6: ...er systems by change of an appropriate baseplate but the spectrometer systems themselves must have the same common left to right or right to left beam direction If you are in doubt as to whether your...

Страница 7: ...1 Sample holder post already fitted to the Selector baseplate on some versions simply screws into position 1 Micro sample cup 4mm dia x 2 5mm deep 2 Standard sample cups 11mm dia x 2 5mm deep 1 Tilted...

Страница 8: ...mmended operating safety procedures found from the Environmental Chamber instruction manual must be followed With the combination of Selector optical unit affixed to the Environmental Chamber accessor...

Страница 9: ...ientation as viewed from the front or above the spectrometer L to R Selector Accessory Optical Layout Fig 1 shows an L to R beam Selector optical unit 1 when fitted to its corresponding L to R Selecto...

Страница 10: ...beam from the source is directed to a fixed angled mirror 5 on its mount post and onto another fixed angle mirror 6 on its mount post The light beam is then projected to an input ellipsoid mirror E1...

Страница 11: ...lected component of this scattered light that is collected by the output ellipsoid mirror E2 8 Note The off axis design for both E1 7 and E2 8 mirrors being forward and on the same side of the samplin...

Страница 12: ...r as indicated for the mirrors from Figs 2 and 3 is Source 5 6 7 Sample 8 9 10 Detector R to L Selector Accessory Optical Layout Fig 4 shows an R to L beam Selector optical unit 1 when fitted to its c...

Страница 13: ...ector Optical Unit From the Figs 5 and 6 the light beam sequence for passage of light through the Selector optical unit for an R to L direction is as follows The light beam from the source is directed...

Страница 14: ...rors arm assembly 4 see Fig 4 It is easier to see E1 7 from the underside view of Fig 6 Fig 6 Underside View of R to L Selector Optical Unit At the sample surface e g a powder sample contained in a sa...

Страница 15: ...lector optical unit 1 is mounted onto a baseplate 2 to provide high stability when installed into the spectrometer Initially the spectrometers own sample mount and or sample compartment if this is par...

Страница 16: ...y the lifting handle 18 see Figs 2 and 5 and position over the baseplate 2 see Figs 7 and 8 Note It is best to have the Selector ellipsoid mirrors arm assembly 4 in the down closed Operating Position...

Страница 17: ...to the baseplate 2 but do not overtighten the fixing screw 11 The optical unit base underside should not actually touch the top of the middle pillar 14 Fig 7 L to R Selector Baseplate Perkin Elmer Spe...

Страница 18: ...0 GX spectrometer can be used with an L to R or R to L beam direction depending on the position of the sampling compartment and detector system to the light source unit Although the input 5 and output...

Страница 19: ...rom the optical unit 1 and spectrometer in case of accidental sample spillage Note For the purposes of explanation for the alignment procedure an R to L Selector accessory is used in the following dia...

Страница 20: ...rors arm assembly 4 comes to rest gently on the steel ball 26 without damaging the micrometer 25 With the ellipsoid mirrors arm assembly 4 closed the beam sequence through the Selector optical unit 1...

Страница 21: ...te direction until the optimum signal throughput strength is obtained from this mirror adjustment The rotational movement is quite fine for a setting between an optimum value and loss of the signal Fi...

Страница 22: ...Adjustment Using the long 2mm Allen key supplied insert it into the M4 x 10mm tilt adjustment grub screw 29 accessed vertically from the top of the Selector optical unit 1 to pass by the lifting carr...

Страница 23: ...le surface by rotational adjustment of three M3 X 10mm grub screws As shown from Fig 12 these are Ellipsoid mirror lower diagonal adjustment grub screw 30 Ellipsoid corner adjustment grub screw 31 Ell...

Страница 24: ...point from the sample surface in a sample cup 19 See Fig 13 Fig 13 Micrometer Screw for Ellipsoid Mirrors Focus Point Clockwise rotation of the micrometer screw 25 will raise the ellipsoid mirror arm...

Страница 25: ...If a lower than expected light throughput is being achieved after following the fine alignment procedure first turn the lower and upper diagonal grub screws 30 and 32 that affect the E1 mirror 7 one a...

Страница 26: ...e spectral collections if needed and the other can be used for solid sample materials powders etc to analyse against the background reference material Interchange between the two sample cups is quick...

Страница 27: ...iameter Micro Sample Cup The micro sample cup 20 is very similar in operation and usage to the standard sample cup 19 but is more suited for the handling of smaller amounts of sample to fill the 4mm d...

Страница 28: ...clean diabraze pad surface from the Selector optical unit 1 Once this background spectrum has been collected you can choose to leave this reference diabraze pad sample assembly as is for reference ba...

Страница 29: ...mbination of both diffusely and specularly reflected components of light The tilted cup 23 is also placed over the sampling post 3 of the Selector baseplate 2 for a sample to be measured for total ref...

Страница 30: ...sample post 3 before the locking screw is secured The attainment of an energy throughput optimum value helps to orientate the tilted cup 23 for its correct sampling position on the sample post 3 Proc...

Страница 31: ...21 with its mount holder 22 please follow the steps outlined below G Record a background reference spectrum using a clean diabraze pad 21 that has been fitted to the mount holder 22 Ideally the backgr...

Страница 32: ...assembly 4 to gain access to the sample post 3 to remove the reference diabraze pad 21 on its mount holder 22 For collection of a sample spectrum repeat the steps G to L but replace the reference diab...

Страница 33: ...everely impair the throughput performance of the Selector accessory If you are in any doubt about the condition of a mirror surface and how this can be cleaned safely please seek advice from Specac or...

Страница 34: ...12 16 Baseplate location pillar for circular location hole 13 17 Baseplate support pillar for optical unit 1 18 Carry handle for Selector optical unit 1 19 11mm diameter standard sample cup 20 4mm dia...

Страница 35: ...and mortar P N GS03610 KBr powder 50g P N GS19915 4mm diameter micro cup P N GS19916 11mm diameter standard sample cup P N GS19917 Tilted cup for total reflectance P N GS19918 Abrasive sample holder...

Страница 36: ...nd then fix the Selector diffuse reflectance optical unit 1 to the installed baseplate P N 549 036 Agilent Varian Biorad FTS7 40 60 65 100 135 155 165 175 185 660 670 6000 Excalibur Scimitar Beam dire...

Страница 37: ...compartment Place the Selector baseplate into the sample compartment with the sample holder post 3 to the front of the compartment Fix the Selector baseplate to the spectrometer platform with the two...

Страница 38: ...2 Equinox Beam direction Right to Left Remove any 3 x 2 mount plate used in the spectrometer from the Bruker baseplate Place the Selector baseplate into the sample compartment on the Bruker baseplate...

Страница 39: ...compartment Place the Selector Quicklock baseplate into the sample compartment with the sample holder post 3 to the front of the compartment The Selector baseplate fits securely by connection to the...

Страница 40: ...to tighten the plates together Fit the R to L Selector optical unit 1 in accordance with the instructions on page 14 P N 549 121 Jasco All Jasco models Beam direction Left to Right Remove the spectro...

Страница 41: ...which have a lower beam height than the other instruments Remove any 3 x 2 mount plate used in the spectrometer Place the Selector baseplate into the sample compartment with the sample holder post 3...

Страница 42: ...R Selector optical unit 1 in accordance with the instructions on page 14 P N 549 045 Midac All Midac models Beam direction Left to Right Remove any 3 x 2 mount plate used in the spectrometer Place th...

Страница 43: ...plate used in the spectrometer Place the Selector baseplate into the sample compartment with the sample holder post 3 to the front of the compartment Hold the baseplate in position using the two cap h...

Страница 44: ...ector optical unit 1 in accordance with the instructions on page 14 P N 549 084 Perkin Elmer PE2000 Spectrum2000 GX Beam direction Left to Right Remove any 3 x 2 mount plate used in the spectrometer P...

Страница 45: ...nt of the compartment The baseplate is held in position by two location pins into the front support rail of the spectrometer and by tightening of the pull down thumb nut supplied to the instruments ow...

Страница 46: ...with the instructions on page 14 P N 549 112 Shimadzu 8000 8100 8200 8300 8400 8500 Prestige 21 IR Affinity Beam direction Right to Left Remove any 3 x 2 mount plate used in the spectrometer Place th...

Страница 47: ...e www systems eng co jp Spain Teknokroma S Coop C Ltda Barcelona Tel 93 674 8800 Fax 93 675 2405 email comercial teknokroma es Switzerland Portmann InstrumentsAG Biel Benken Tel 061 726 6555 Fax 061 7...

Страница 48: ...PECAC INC 414 Commerce Drive Suite 175 Fort Washington PA 19034 USA Tel 215 793 4044 Fax 215 793 4011 SPECAC LTD Unit 12 Science Innovation Centre Halo Business Park Orpington Kent BR5 3FQ Tel 44 0 16...

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