The Portman Series portable Raman spectrometer is a compact Raman system designed for both laboratory use and on-site detection across a wide range of applications. The main unit can be configured with different excitation wavelengths, spectral ranges, and resolutions based on specific customer needs and application scenarios. Equipped with a laser that meets Class IIIB safety standards, the system supports full software control and enables one-click data acquisition for a streamlined user experience.
A variety of sampling accessories are available to accommodate solids, liquids, powders, and other sample forms. Specialized attachments such as micro-area sampling modules and immersion probes make the Portman Raman system suitable for complex scenarios including SERS, 2D materials, gemstones, online chemical analysis, biopharmaceuticals, and pharmaceutical applications.
The software includes advanced features such as fluorescence removal, signal extraction, material identification, and spectral database management. The Portman Raman spectrometer has been widely adopted in industries such as food safety, homeland security, gem identification, and pharmaceuticals for rapid raw material screening, on-site detection, and substance identification.
633 nm
1064 nm
Graphene Characterization
The Portman 532 enables reliable determination of graphene layer numbers, structural and property characterization, defect analysis, stress measurement, and electron–phonon interaction studies. It serves as a powerful tool across materials science, micro/nano fabrication, energy, biomedical research, and drug delivery applications.
Environmental Applications
The Portman 532 performs both qualitative and quantitative analysis of gas compositions, making it highly effective for mixed-gas detection. It excels in monitoring toxic and corrosive gases and can distinguish isotopic molecular species and their relative concentrations.
Portman - 785 nm
Tumor Detection
The Portman 785 provides detailed molecular structural information of cells and tissues, aiding in the early detection and diagnosis of cancer. It is also valuable for drug screening, cell activity assessment, and a wide range of applications in biomedical research, clinical diagnostics, and pharmaceutical development.
Food Safety Testing
The Portman 785 is well-suited for food quality control and compositional analysis, covering applications such as process monitoring, qualitative and quantitative evaluation of ingredients, and food safety inspections.
Water Environment Monitoring
The Portman 785 utilizes surface-enhanced Raman spectroscopy (SERS) for rapid and highly sensitive detection of waterborne contaminants, including heavy metal ions, organic compounds, and microplastics. It delivers precise trace-level analysis to support water protection initiatives and effective pollution control.
Jewelry and Antiquities Sector
The Portman 785 enables accurate gemstone authentication, compositional analysis, and material identification of historical artifacts. It provides precise analysis of inorganic cultural relics—such as pigments, metals, and ceramics—as well as organic materials like dyes and adhesives, offering essential insights for artifact preservation and restoration.
Portman - 1064 nm
Medical Applications
The Portman 1064 non-destructively detects biological molecules such as nucleic acids and proteins. It is applied in cancer diagnostics, blood analysis, and atherosclerosis detection, delivering high-sensitivity and high-resolution solutions for early disease screening and precision medicine.
Stone Analysis
The Portman 1064 rapidly and accurately identifies the chemical composition of stones, helping physicians better understand the makeup of calculi to develop more effective treatment and prevention strategies. It is particularly effective for urinary stone composition analysis in clinical practice.
A variety of sampling accessories are available to accommodate solids, liquids, powders, and other sample forms. Specialized attachments such as micro-area sampling modules and immersion probes make the Portman Raman system suitable for complex scenarios including SERS, 2D materials, gemstones, online chemical analysis, biopharmaceuticals, and pharmaceutical applications.
The software includes advanced features such as fluorescence removal, signal extraction, material identification, and spectral database management. The Portman Raman spectrometer has been widely adopted in industries such as food safety, homeland security, gem identification, and pharmaceuticals for rapid raw material screening, on-site detection, and substance identification.
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Features
- Platform-Based Design with Multiple Wavelength Options
Standard configurations include 532 nm, 633 nm, 785 nm, and 1064 nm; other wavelengths (e.g., 671 nm) are available upon request.
- Flexible System Configurations
Available in deep-cooling, cooling, and non-cooled models to meet various sensitivity and application requirements.
- High Resolution and Strong Fluorescence Suppression
Capable of accurately measuring samples with strong fluorescence backgrounds.
- Spatial Optics and Compact Confocal Design
Enables a small laser spot and high spatial resolution, ideal for micro-area detection.
- Multi-Platform Compatibility
Supporting PC, mobile devices, and microscope integration, making it suitable for both lab and field measurements, including immersion sampling.
- Versatile Sampling Accessories
Offering flexible sampling modules including lab stands, immersion probes, and holders for solids, liquids, and powders.
- Intelligent Software Support
Equipped with functions such as Raman baseline correction, periodic acquisition, normalization, and spectral identification. Cloud-based data management is also supported.
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Specifications
532 nmModel PR532-D PR532-T Cooling Option Deep Cooling (-25℃) Cooling (-5℃) Spectra Range(cm-1) 200-3000 200-3000 Spectral Resolution (cm-1) ~8 ~8 Excitation Wavelength 532±0.5nm / Line width＜0.1nm Output Power 0-100mW (adjustable) Probe Working Distance 7.5 mm Dimension 325×220×99 mm Weight ~4.4 kg Operating temperature 0-40℃ Operating humidity 5-80%
785 nm
| Model | PR785-D | PR785-T | |
| Cooling Option | Deep Cooling (-25℃) | Cooling (-5℃) | |
| Spectra Range(cm-1) | 200-3000 | 200-2000 | 200-3000 |
| Spectral Resolution (cm-1) | ~8 | ~3.5 | ~8 |
| Excitation Wavelength | 785±0.5nm / Line width＜0.08nm | ||
| Output Power | 0-500mW (adjustable) | ||
| Probe Working Distance | 7.5 mm | ||
| Dimension | 325×220×99 mm | ||
| Weight | ~4.4 kg | ||
| Operating temperature | 0-40℃ | ||
| Operating humidity | 5-80% | ||
633 nm
| Model | PR633-D |
| Cooling Option | Deep Cooling (-25℃) |
| Spectra Range(cm-1) | 200-3200 |
| Spectral Resolution (cm-1) | ~8 |
| Excitation Wavelength | 633±0.5nm / Line width＜0.1nm |
| Output Power | 0-30mW (adjustable) |
| Probe Working Distance | 7.5 mm |
| Dimension | 325×220×99 mm |
| Weight | ~4.4 kg |
| Operating temperature | 0-40℃ |
| Operating humidity | 5-80% |
1064 nm
| Model | PR1064-D |
| Cooling Option | Deep Cooling (-20℃) |
| Spectra Range(cm-1) | 200-2500 |
| Spectral Resolution (cm-1) | ~15 |
| Excitation Wavelength | 1064±0.5nm / Line width＜0.1nm |
| Output Power | 0-500mW (adjustable) |
| Probe Working Distance | 7.5 mm |
| Dimension | 325×220×99 mm |
| Weight | ~4.4 kg |
| Operating temperature | 0-40℃ |
| Operating humidity | 5-80% |
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Dimensional drawing
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Applications
Portman - 532 nm
Coal Analysis
The Portman 532 provides precise structural analysis of coal samples, enabling identification of different coalification degrees and reflecting their thermal evolution. This capability is of great significance for coal classification, utilization, and clean coal technology research. It is widely applicable in the coal industry, geological exploration, petrochemicals, and environmental science.
Coal Analysis
The Portman 532 provides precise structural analysis of coal samples, enabling identification of different coalification degrees and reflecting their thermal evolution. This capability is of great significance for coal classification, utilization, and clean coal technology research. It is widely applicable in the coal industry, geological exploration, petrochemicals, and environmental science.
Raman spectra of coal powders from different origins.
Graphene Characterization
The Portman 532 enables reliable determination of graphene layer numbers, structural and property characterization, defect analysis, stress measurement, and electron–phonon interaction studies. It serves as a powerful tool across materials science, micro/nano fabrication, energy, biomedical research, and drug delivery applications.
Raman signals of graphene with different layer counts.
Environmental Applications
The Portman 532 performs both qualitative and quantitative analysis of gas compositions, making it highly effective for mixed-gas detection. It excels in monitoring toxic and corrosive gases and can distinguish isotopic molecular species and their relative concentrations.
Raman spectra of mixed gases at different concentrations.
Portman - 785 nm
Tumor Detection
The Portman 785 provides detailed molecular structural information of cells and tissues, aiding in the early detection and diagnosis of cancer. It is also valuable for drug screening, cell activity assessment, and a wide range of applications in biomedical research, clinical diagnostics, and pharmaceutical development.
Raman spectra of brain tumor tissue slices.
Food Safety Testing
The Portman 785 is well-suited for food quality control and compositional analysis, covering applications such as process monitoring, qualitative and quantitative evaluation of ingredients, and food safety inspections.
Meat testing spectra.
Water Environment Monitoring
The Portman 785 utilizes surface-enhanced Raman spectroscopy (SERS) for rapid and highly sensitive detection of waterborne contaminants, including heavy metal ions, organic compounds, and microplastics. It delivers precise trace-level analysis to support water protection initiatives and effective pollution control.
Raman signals of wastewater samples.
Jewelry and Antiquities Sector
The Portman 785 enables accurate gemstone authentication, compositional analysis, and material identification of historical artifacts. It provides precise analysis of inorganic cultural relics—such as pigments, metals, and ceramics—as well as organic materials like dyes and adhesives, offering essential insights for artifact preservation and restoration.
Raman spectra of antiquities.
Portman - 1064 nm
Medical Applications
The Portman 1064 non-destructively detects biological molecules such as nucleic acids and proteins. It is applied in cancer diagnostics, blood analysis, and atherosclerosis detection, delivering high-sensitivity and high-resolution solutions for early disease screening and precision medicine.
Raman spectra for skin disease screening.
Stone Analysis
The Portman 1064 rapidly and accurately identifies the chemical composition of stones, helping physicians better understand the makeup of calculi to develop more effective treatment and prevention strategies. It is particularly effective for urinary stone composition analysis in clinical practice.
Raman spectra of calculi samples.
