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Table 2 of Eckenrode et al. (Forensic Science Communications, October 2001)

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October 2001 - Volume 4 - Number 4

Research and Technology

Portable Raman Spectroscopy
Systems for Field Analysis

Brian A. Eckenrode
Edward G. Bartick
Scott D. Harvey
Mark E. Vucelick
Bob W. Wright
Rebecca A. Huff


Table 2. Person-Portable Raman Systems
Commercially Available and Supported

Feature Raman System Portable Model
(Manufacturer, Telephone Number)
InPhotote (InPhotonics,
781-769-9450)		 Sentinel (Chromex,
505-344-6270)		 Solution 633 (Detection Limit,
877-940-0559, dlimit.com)		 R-2001
(Ocean Optics, 727-733-2447)
Resolution
(cm–1)		 6 6 7 15

Range (cm–1)

 200–1800 200–2000 250–3600
stepper motor		 200–2700

Dispersion element

 Spectrograph f/5 Spectrograph f/3 Spectrograph f/2 Spectrograph

Excitation source

 785 nm,
diode laser,
300 mW		 810 nm,
diode laser,
70 mW		 633 nm,
30 mW		 785 nm,
diode laser,
500 mW

Fiber optic probe

Yes
1:1
5 m

 Yes
3 m		 Yes
2 m		 Yes
1:1
standard 10 cm

Working distance

5 mm

 2 mm
(50 mm research)		 < 3 mm to > 10 cm 2–7 mm
focused probe

Library/software

 250+ compounds
(forensic)		 1200 compounds (drug) Process system
LabView w library		  

Size (L × W × H in.)

16 × 10 × 9

 15 × 18 × 8 13 × 7 × 9 11 × 8 × 3

Weight (lb)

20

 29 < 20 6

Power

72 W
110 V, 12 V

 110 V @ 2 A 110 V or 220 V
150 W max		 1.2 A @ 5 V

Price ($K)

50

 65 24.9 13

Warranty (months)

12

 12 12 12

 
 
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