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| RFP-430 -Fiber Optic Raman Probe for Lab Use | |
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 Request for information
By dispensing with the Hastelloy C-276 probe material, the RFP-430 Raman probe is a cost-effective alternative to the RFP-480. This probe has been developed for Raman spectroscopy in laboratory applications. A considerable shift between the end of the sensor and the viewed area diameter on the sample is achieved by using a relatively thin sapphire window. The RFP-430 is thus ideal for use in analysis conducted through glass vessels. Compared to other Raman probes, the focal point of the RFP-430 has been enlarged without adversely affecting the optical sensitivity of the measurement. This leads to reduced heating of the sensor during measurement, greater system stability and non-sensitivity with minor inhomogeneities.
The RFP-430 Raman probe can be connected to a laser and to a Raman spectrometer via standard fiber optic connectors. Two different fiber glass bundles with 19 and 7 individual fibers are available. The fiber leading to the laser has a core diameter of 100 µm. Calibrations developed with the RFP-430 can be transferred to a system operating with an RFP-480 Raman sensor relatively easily.
Please contact our application scientists to find out the optimal system configuration to suit your requirements.
Probe during process
| Specifications | RFP-430 |
| Spectral range | 150 - 4000 (Raman shift) |
| Excitation wavelengths | 532, 632, 785 or 1064 nm |
| Focal distance (selectable) | 10 mm / 0.39" |
| Viewed area diameter | 0.6 mm / 0.02" |
| Field depth, FWHM | 1.8 mm / 0.07" |
| Length of measuring head | 150 mm / 5.9" |
| Probe diameter | 16 mm / 0.6" |
| Maximum temperature at the probe tip | 100°C / 212 °F |
| Maximum pressure | 2 bar / 30 psi |
| Probe material | Wetted metal: stainless steel Ti316,
Window material: sapphire, window seal: Epoxy |
| Fiber connector | Type FC (other on request) |
| Fiber optic bundle | Fiber bundle of 19 or 7 x 100 µm low OH fibers,
n.A.: 0.26 mm / 0.01" (6 illumination, 1 receiving fibers) |
| Optical fiber length | 2 m / 6.6 ft (standard) |
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Last change 09/04/2007 11:09 AM
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