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


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Forensic Science Communications October 2001 — Volume 3 — Number 4


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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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Forensic Science Communications October 2001 — Volume 3 — Number 4