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Technical Support > Products > Laboratory Raman Instrumentation > Laboratory Specifications

Raman Laboratory System

Process Instruments introduces its laboratory Raman analyzer.   
PI-200 Lab System
 To download a printable version of the Spec sheet click here.

Specifications

Excitation Source
  • 785 nm Frequency Stabilized, Narrow Linewidth Laser.
  • Laser power (adjustable):  450 mW standard.
  • Higher power levels available - up to 1,500mW
  • Line width ~ 1.0cm-1.
  • Wavelength accuracy ± 0.1nm.
  • Wavelength repeatability (on/off) -< 0.15 cm-1 .
  • Wavelength stability -< 0.3 cm-1drift per week.
  • Laser lifetime -1 year warrenty (6 year projected lifetime).
  • Patented design - Pat. No. 6,100,975.
Raman Fiber Optic Probe
  • Inphotonics Raman Probe-standard (other probes types available).
  • 200µm diameter excitation fiber, 400µm collection fiber.
  • Focal length - 5mm standard, 3 meter fiber optic cable.
  • Rayleigh filtering built into probe tip (>8 O.D.).
  • System can accommodate most any Raman probe configuration.
  • Probes manufactured from 316-SS, carbon steel, alloy-20, hastelloy, etc.
  • Ball probes also available.
  • Lowest Raman shift that can be measured ~225 cm-1.
  • ATEX Zone 0 certified.
CCD Detector
  • Andor DU401-FI (standard) Higher performance CCD detectors available.
  • TE cooling to < -60° - 82° C for low noise applications.
  • Pixel size = 26 µm square and full range area of 128 x 1024 pixels.
  • Other CCD configurations available; e.g., 256 x 1024 pixels..
Spectograph
  • Spectograph aperture: f/2.0.
  • Focal length: 135 mm.
  • Patented design: No. 6,028,667.
  • Diffraction grating: 1200 grooves/mm, ruled standard (other gratings available upon request).
  • Resolution: 4 cm-1with 785 nm excitation.
  • Spectral coverage: with 785 nm excitation ~2100 cm-1, with 830 nm excitation the spectral coverage is ~1900 cm-1 .
  • Fiber optic coupling: bundle to slit adapter with 100 µm fibers (17 fibers) in a linear input array (3.3 mm high) for coupling to spectrograph.
  • Temperature controlled: ~30° C for added stability.
  • Image curvature at exit plane: < 0.5 pixel over full height of CCD array.
  • User adjustable center wavelength via rotating grating.
  • Builtin neon lamp for wavelength calibration.
Packaging
  • 20" x 16" x 8", weight ~ 66 lbs.
System Software
  • Data collection with real time chemometrics, laser frequency tracking, multipoint neon lamp absolute wavelength calibration, and throughput normalization features for chemometric model transfer capability.
  • Auto calibration features available
  • Interface with a DCS system, RS485, RS232, or TCP/IP .
  • Data files can be exported into ASCII and SPC formats.
System Stability
  • Amplitude stability ± 0.2 % over 24 hours after 30 minutes warmup.
  • Frequency stability ± 0.1 cm-1 over 24 hours after 30 minutes warmup.
Power Requirements
  • 115 to 230 VAC, 47 to 63 Hz, 4A
System Warranty
  • Two year on both laser and instrument.