BRT-8 Plus Portable FTIR Spectrometer (7800–350 cm⁻¹ range, 0.85 cm⁻¹ resolution) features a permanently aligned anti-vibration Michelson interferometer, KBr/Ge beamsplitter, DLATGS detector, and a 10-year ceramic light source. Weighing just 7 kg with tool-free plug-and-play ATR/gas modules, SNR >50,000:1, and onboard spectral libraries, it is built for field and lab material analysis, pharmaceutical QA, and environmental testing.
The BRT-8 Plus Portable FTIR Spectrometer is a compact, high-performance Fourier transform infrared analytical instrument engineered strictly for rapid material identification, chemical structure verification, and quantitative molecular analysis. Designed for environmental monitoring stations, pharmaceutical QA labs, petrochemical facilities, law enforcement drug/explosive field inspection, and academic research, it delivers certified infrared spectroscopy across the 7800 cm⁻¹ to 350 cm⁻¹ spectral range with a superior 0.85 cm⁻¹ optical resolution.
Featuring a sealed Michelson interferometer with permanent alignment, an imported KBr/Ge beamsplitter, a high-sensitivity DLATGS detector with moisture-proof coating, and a 10-year long-life ceramic light source, this portable FTIR Spectrometer guarantees exceptional signal stability and vibration resistance (SNR > 50,000:1). Weighing just 7 kg with tool-free plug-and-play modular ATR and gas cell interfaces, the BRT-8 Plus combines laboratory-grade accuracy with field-ready mobility.
FTIR Spectrometer Measurement & Analysis Capabilities
This portable Fourier transform infrared analyzer enables certified laboratories and field inspection teams to execute standardized qualitative and quantitative material profiling across solid, liquid, and gas phases:
| Analysis Mode | Methodology & Operational Scope | Primary Testing Application |
|---|---|---|
| Attenuated Total Reflectance (ATR) | Direct surface measurement of solids, liquids, powders, and pastes without sample preparation using single-reflection diamond/ZnSe ATR modules | Nondestructive polymer identification, pharmaceutical raw material verification, and illicit drug screening |
| Transmission Spectroscopy | Traditional transmission profiling using KBr pellets, liquid transmission cells, and short/long-path gas cells | Quantitative chemical concentration determination, lubricant degradation profiling, and gas contaminant analysis |
| Library Matching & Spectral Search | Automated spectrum comparison against comprehensive infrared spectral libraries with one-click compound identification | Unknown substance identification, hazardous material response, and failure analysis of unknown contaminants |
Technological Features of BRT-8 Plus FTIR Spectrometer
- Permanently Aligned Anti-Vibration InterferometerBuilt with a sealed Michelson interferometer (30° incidence angle) housed within an integrated cast-aluminum optical bench, offering immunity to mechanical vibration and environmental interference.
- High Signal-to-Noise Ratio (>50,000:1) & 0.85 cm⁻¹ ResolutionFeatures a 24-bit A/D converter at 500 MHz paired with a high-sensitivity moisture-coated DLATGS detector, delivering precise spectral peak resolution down to 0.85 cm⁻¹.
- 10-Year Long-Life Air-Cooled Ceramic Light SourceIncorporates an energy-efficient ceramic light source with an automatic sleep function, eliminating frequent lamp replacement costs while maintaining stable thermal emission.
- Tool-Free Plug-and-Play Modular Accessory RecognitionSupports rapid interchange of ATR crystal units, specular reflection units, and gas cells with automatic accessory detection, eliminating manual optical re-alignment.
- All-Round Moisture & Desiccant ProtectionFeatures a sealed optical housing, humidity-resistant KBr optics with protective coatings, and an easily accessible high-capacity desiccant chamber for humid environments.
- Ultra-Compact Portable Frame (7 kg）
Designed with small physical footprint dimensions (310 × 220 × 130 mm) and lightweight frame construction, enabling seamless transitions between benchtop lab use and mobile field testing.
Technical Specifications of FTIR Spectrometer
| Product Model | BRT-8 Plus / BRT 800 Portable FTIR Spectrometer |
| Wavenumber / Spectral Range | 7800 cm⁻¹ to 350 cm⁻¹ |
| Optical Resolution & Repeatability | Resolution: 0.85 cm⁻¹; Wavelength Repeatability: Better than 1 cm⁻¹ |
| Signal-to-Noise Ratio (SNR) | Better than 50,000:1 (Peak-to-Peak value) |
| Interferometer & Beamsplitter | Sealed Michelson Interferometer (30° incidence); KBr coated with Ge (US imported) |
| Detector & Light Source | High-resolution DLATGS with moisture-proof coating; Air-cooled ceramic light source (10-year lifespan) |
| Electronic Processing & Interface | 24-bit A/D Converter at 500 MHz; High-speed USB 2.0 interface to PC software |
| Dimensions & Instrument Weight | 310 mm × 220 mm × 130 mm (L × W × H); Total Weight: 7 kg |
Standard Package Accessories Included
- Main Host Unit: BRT-8 Plus Portable FTIR Spectrometer Host (1 unit).
- Optical Components: Pre-installed KBr/Ge Beamsplitter & DLATGS Detector with Moisture Protection.
- Sampling Interface: Standard Transmission Sample Holder (Modular ATR accessories optional).
- Power & Data Communication: AC Power Adapter, High-Speed USB 2.0 Cable.
- Desiccant & Maintenance Kit: High-capacity desiccant replacement kit, dust cover, and alignment verification sample.
- Documentation & Software: FTIR Spectral Analysis Software, Spectral Library Suite, Operating Instruction Manual, Certificate of Conformity, Warranty Card.
Testing Workflow & Target Applications
Fourier Transform Infrared FTIR Spectrometer Structure
Standardized Testing Workflow:
- Connect the BRT-8 Plus to a PC via USB and launch the spectral acquisition software; the system performs automatic diagnostic checks.
- Snap in the desired sampling module (e.g., Diamond ATR for direct solid/liquid sampling or standard Transmission holder).
- Collect a background spectrum to establish baseline atmospheric correction.
- Place the sample onto the ATR crystal or inside the sample chamber and initiate the single-click scan.
- Analyze functional group absorption bands, run automated spectral library searches for compound identification, and generate official laboratory test reports.
Target Customer Applications:
- On-site illicit drug, narcotics, precursor chemical, and explosive substance identification for law enforcement and customs inspection.
- Environmental monitoring centers for atmospheric gases, oil-in-water analysis, and microplastic identification.
- Pharmaceutical raw material QA/QC verification and polymer composition failure analysis.
- Academic research institutes, university teaching laboratories, and petrochemical refining QC bays.
FTIR Spectrometer FAQ
Q1: What is the main advantage of the portable BRT-8 Plus compared to traditional benchtop FTIR systems?
A: Weighing only 7 kg with compact dimensions (310 × 220 × 130 mm), the BRT-8 Plus offers full-spectrum 7800–350 cm⁻¹ coverage and 0.85 cm⁻¹ resolution in a mobile frame. Its permanently aligned optical bench allows easy transport to field sites without requiring realignment.
Q2: Is sample preparation required when using the ATR module?
A: No. The plug-and-play Attenuated Total Reflectance (ATR) module allows direct non-destructive testing of liquids, solids, powders, fibers, and gels without KBr pellet pressing or solvent extraction.
Q3: How does the instrument protect its optical elements against moisture damage?
A: The BRT-8 Plus features a double-sealed optical bench, moisture-proof protective coatings on the DLATGS detector and KBr optics, and an integrated high-capacity desiccant chamber to safeguard internal components in humid environments.
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