1"
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User%guide%for%Cary%5000%absorption%spectrometer%
with%external%DRA%1800%attachment.%
(last&updated&03/17/2016)&
This"guide"is"for"use"of"the"Cary"5000"with"the"DRA"only.""For"use"without"the"DRA"as"a"
standard"transmission"spectrometer"see"the"User"guide"for"Cary"5000"in"absorption"
mode."
Importa n t%w a rn in gs !%
• Do"not"unplug"or"plug"in"the"external"DRA"attachment"when"the"instrument"is"
on.""This"will"ruin"the"detectors"of"the"integrating"sphere"
• Do"not"put"white"light"into"the"DRA"with"the"DRA"electrically"connected"to"the"
Cary."
• Minimize"the"amount"of"time"that"the"integrating"sphere"is"open."Long-term"light"
exposure"hurt"the"detector"over"time."""
• Wear"clean"gloves"while"using"the"instrument"
• Do"not"use"liquid"or"powder"samples"in"the"integrating"sphere."
Quick%Start%for%using%DRA%
1. Turn"on"computer""
2. Check"lens"and"mirror"are"correct"for"your"measurement."
a. Install"Small"Sample"Kit"mirror"(M3"SSK)"or"regular"M3"mirror"if"needed"
b. If"using"SSK"install"correct"lens"L2."
3. Make"sure"cover"for"the"DRA"is"fully"closed"and"turn"Cary"on."
4. Click"on"the"Cary"icon"on"the"taskbar"
5. Wait"20"minutes"for"the"lamps"to"warm"up."
6. Select"Setup"
a. set"wavelength"range,"%T"or"%R"
b. Under"Options"tab:"set"slit"width"and"height,"SBW"to"2"nm,"Detector"and"
Grating"change"wavelengths"
c. Under"Baseline"tab:"chose"zero/baseline"
d. Under"Storage"tab:"Set"your"filename"
7. Make"sure"that"all"exits"of"the"integrating"sphere"are"blocked"with"full"reflectors."
8. Baseline%and"run"100%"T"scan,"then"block"the"sample"beam"at"the"entrance"to"the"
integrating"sphere"for"the"0%"T"scan.""If"using"an"aperture"hol der"for"reflection"
measurements,"please"see"the"“Aperture"kit"for"small"samples”"section"on"page"4."""
9. Mount"your"sample"
10. Run"Spectra"
11. When"done"remove"sample"and"remount"reflectors."
12. Turn"off"Cary"
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