Varian Cary 5000 User Manual (English)

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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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Varian Cary 5000 Specifications

General

Type	UV-Vis-NIR Spectrophotometer
Wavelength Range	175 - 3300 nm
Scanning Speed	Up to 2400 nm/min
Light Source	Deuterium and Tungsten-Halogen lamps
Detector Type	Photomultiplier Tube (UV-Vis), PbS (NIR)
Stray Light	<0.05% at 220 nm
Baseline Flatness	< +/- 0.0005 A (200 - 800 nm)
Baseline Stability	< 0.0002 A/hour
Sample Compartment	Standard 10 mm cuvette holder