Raman system R-3000 spectrometer

The Raman System R-3000 spectrometer is a fully integrated Raman analytical instrument capable of real-time qualitative and quantitative spectral analysis of aqueous liquids, powders, solids, gels and surface media in the wavelength range of 200～2700 cm-1. The Raman R-3000 can be applied in a variety of settings, including pharmaceutical monitoring and quality control, chemical and petrochemical process and quality control, water quality analysis, etc. The Raman System R-3000 spectrometer is equipped with a selectable 785nm or 532nm solid-state diode laser, a selectable TE-cooled fiber-optic spectrometer, an all-in-one fiber-optic probe for liquids, solids and powders, a focusing and calibration probe cap, a software-controlled laser shutter with its operating software, a sample holder, and a pair of protective eyewear. Sample spectrum of the R-3000 spectrometer The new software features fingerprint identification and quantitative analysis functions (matching the substances detected in a sample against the spectral data in the database and determining their concentrations), the integration time is increased to several minutes, and a multiple-spectrum display function has been added (capable of overlaying and displaying up to 20 spectra). Cooled optical bench The Raman System R-3000 spectrometer can be optionally equipped with a thermoelectrically cooled CCD array, which can increase the integration time to 4 minutes. The CCD can be maintained at a stable temperature, eliminating the need to recalculate dark current—this is an advantage in situations where dark scanning is not feasible when the laser is switched on and off. Solid-state laser The Raman System R-3000 spectrometer uses a solid-state diode laser with a power of 500mW and a wavelength of 785nm (red light); it is sufficiently stable to be used with a focusing probe to measure contents and windows, with a wavelength range of 200～2700 cm-1. Lasers of 25mW, 50mW and 532nm can also be selected, with a wavelength range of 200～4000 cm-1. Fiber-optic probe with probe cap The Raman R-3000 spectrometer comes with a fiber-optic probe, a probe tube and a probe cap; the probe cap can be simply replaced to suit the sample provided (liquids, solids, powders and the like), and can be immersed in the analyte within a transparent container. The fibers at the head of the probe are connected to the spectrometer and are connected to the laser via two fibers (with diameters of 200 µm and 100 µm respectively). The standard fiber length is 1m, but users can also choose different fiber lengths ranging from 1m to 200m, to flexibly adjust the distance between the spectrometer and the sample. The outer layer of the fiber is protected by a PVC single coil or a stainless steel housing. The stainless steel probe tube is 3.5 inches long and 1/2 inch in diameter; the probe tube can be replaced with any length up to 10 inches. There are two focusing probe caps: one can be pressed against the surface of the sample to focus the laser beam onto the sample; the other can be pressed against the outer wall of a container to focus the laser into the interior of the container. In addition, there are probe caps for immersion testing and a probe cap for calibration; the latter is a preset spectroscope standard that enables rapid, computer-controlled device calibration and validation. In corrosive environments, the sample tube and probe cap can be made of Hastelloy-C alloy material. The probe tube and probe cap typically withstand pressures and temperatures up to 1500psi and 200℃, and can also be made to specifications withstanding pressures and temperatures up to 300psi and 500℃ according to user requirements. The head of the probe and the fiber-optic cable withstand a temperature of 80℃. At the same time, to protect the health of the user's eyes, the probe also includes a software-controlled shutter, which is normally closed and is opened only during testing. Using the shutter, dark scanning can be achieved directly without switching the laser on and off. Safety recommendations The laser beam at the laser output port and the laser beam at the fiber-optic probe of the Raman System R-3000 spectrometer belong to Class 3b lasers. This laser output produces visible and/or invisible laser radiation and can cause serious eye damage; if someone looks directly at the laser beam or at the laser beam from a reflective object, it can cause blindness. When operating the Raman System R-3000 spectrometer, laser protective eyewear must always be worn.

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