SAVANNAH Raman Module

SAVANNAH is Metrohm’s most compact OEM Raman module. It features an integrated 100 mW 785 nm single-mode laser and a high-performance spectrograph with a spectral range spanning from 400 to 2300 cm-1, boasting a resolution of less than 10 cm-1.

Setting it apart is the distinctive Orbital Raster Scanning (ORS) functionality, effectively minimizing laser ablation/heating and mitigating sample heterogeneity effects. SAVANNAH is designed with a simple command set for seamless data acquisition and transfer, supporting USB or UART communication channels.

Its robust architecture and compact footprint render SAVANNAH ideal for seamless integration into handheld, mobile, and point-of-care instrumentation. Powering the module is a 5V DC power supply.

Key Features

  • Integrated laser and spectrograph package for an all-in-one solution
  • Communication options include USB or UART modes
  • Compact design with minimal power consumption
  • Patented ORS® (Orbital Raster Scan) technology employed to minimize sample degradation


Source: B&W Tek

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Laser Wavelength 785 nm +/- 0.5 nm
Laser Output Power 100 mw Maximum Rated Output
Maximum 50 mW at sample
Laser Output Type Colimated Open Beam, Diverging Circular Raster Pattern
Spectral Range 400 to 2300 cm-1
Spectral Resolution < 10 cm-1 at 912 nm-1 (FWHM)
Communication Type 1 USB 2.0 Mini, Standard USB Serial Port, 2M Baud, 8bit Data, 1 Stop, No Parity
Communication Type 2 UART 5V, RX, TX, 2M Baud
Power Input/Type 5 V @ 2 A DC Barrel Jack



  • POC, Clinical Diagnostics Devices - Feasibility studies and prototypes
  • Research and Development - Fully customizable uses for R&D and proof of concept use
  • Process Analytics
  • Portable Sensing
  • Material Science - Material Characterization and Identification
  • Food and Agriculture Industry - Safety and Quality determination
  • Pharmaceutical – Raw Material ID, R&D

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