
MacroRAM(ls)
Benchtop Raman Spectrometer
MacroRAM™ is an easy-to-use macro Raman spectrometer for fast and reliable Raman analysis. Perfect for bulk analysis of solids, liquid solutions, powders, and gels, MacroRAM provides the flexibility and sensitivity to handle virtually any type of sample. With a compact and robust design including Class 1* laser safety, MacroRAM is ideal for use in most environments, from undergraduate teaching labs to industrial QC and manufacturing.
Powered by the industry-leading LabSpec 6 spectroscopy suite software, MacroRAM brings simplicity to macro Raman spectroscopy without compromising the ability to handle even the most challenging applications. It is ideal for confirming the identity and quality control of incoming raw materials, as well as for analyzing chemical composition, process monitoring, and assessing unknown substances. MacroRAM's durability and fixed internal setup ensure consistent and reproducible results over time, making it a reliable and robust choice for researchers, scientists, and industry professionals across such disciplines as pharmaceuticals, polymers & microplastics, forensics, wet chemistry, gemology, and other industries.
To facilitate the use of the MacroRAM in the undergraduate teaching laboratory setting, a series of educational labs are available. Designed to teach some of the most important concepts in Raman spectroscopy, such as identification, quantification, and vibrational chemistry, these educational labs can be used as is or tailored to fit the needs of any undergraduate laboratory. To learn more about these labs, please visit MacroRAM Educational Labs.
Why Choose MacroRAM(ls)
Compact and Powerful For Industry and Academia
- Versatile Design
- External fiber ports for probe-based measurements
- Compact and Rugged benchtop system for macroscopic measurements
- Intuitive and Powerful LabSpec 6 Software
- Premium quality Raman Filters

Key Advantages of MacroRAM(ls)
Versatile Sample Compatibility
Analyzes solids, liquids, powders, and more
Optimized Signal Collection
Maximizes Raman signal capture
Advanced Data Processing
Enables powerful MVA and spectral library searching.
Comprehensive Accessory Suite
Features thermos tatted cuvettes, holders, Super Head, and immersion probes.
Applications of MacroRAM(ls)
Quantitative API & Excipient Analysis
Accurate determination of active pharmaceutical ingredients and excipients in tablets, capsules, and solutions.
Reaction Kinetics Monitoring
Real‑time tracking of chemical reaction progress and intermediate species for process development.
Powder & Liquid Quality Control
Verifies batch consistency and purity of powdered and liquid products via spectral fingerprinting.
External Probe Measurements
Enables in‑situ analysis of large objects, gels, or samples within containers using immersion and touch probes.
Technical Specifications of MacroRAM(ls)
Wavelength | 785 nm |
Laser Power | 7 mW – 450 mW |
Laser Safety | Class 1, internal sample compartment; Class 3b, external probe |
Dispersion (nm mm-1) | 10.3 |
Spectrograph f/# | 3.3 |
Spectrograph Focal Length | 115 mm |
Spectral Range | 100 – 3400 cm-1 (Stokes) |
Detector Type | Syncerity Back illuminated NIR CCD |
Sensor Size | 2048 x 70 |
Pixel size | 14 µm |
Detector cooling | -50°C |
Dynamic Range | 55,500:1 |
CCD Dark Current (e-/pixel/s) | 0.05 |
Spectral Resolution | 8 cm-1 at 914 nm |
Dimensions (W x D x H) | 432 mm (17”) x 432 mm (17”) x 381 mm (15”) |
Weight | 45 lbs (20.4 kg) |
Ambient Temperature Range | 15 – 30°C (59 – 86°F) |
Maximum Relative Humidity | 75% |
Power | Universal AC single-phase input power; 100-240 V AC; line frequency 50 – 60 Hz |
Fuses | One 5 x 20 mm IEC approved, 2.0 A, 250 V, time delay fuse |
Operating System | Compatible with Windows 7, 10, and 11 (32-bit or 64-bit) |
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