Metrohm AG

- Model MIRA - Metrohm Instant Raman Analyzers



Metrohm Instant Raman Analyzers (Mira) are robust and reliable portable spectrometers for material identification and verification. These instruments combine ease of use with maximum safety and provide results within seconds. Using ORS, Mira systems yield highly reliable results, giving you more confidence in your measurements.

We offer two versions of Mira Analyzers:

Our new Mira Flex packages offer you the flexibility to customize Mira instruments and accessories for your precise analyses.

  • True single-hand operation: Small and light-weight battery-operated Raman spectrometers
  • Orbital Raster Scan (ORS) technology: Accurate, reproducible, and reliable results.
  • Fast and convenient: Point-and-shoot mode or vials for results within seconds
  • Non-destructive and versatile: Multiple sampling attachments for any type of analysis
  • Rugged and robust: Ruggedized aluminum case with IP 67


With the Mira P, you will get accurate results in just seconds. After collecting spectra for a few seconds, the instrument will give you a clear 'Pass' or 'Fail' result.

The instrument calculates the result on the basis of multivariate probabilistic algorithms to verify the identity of raw materials. This approach is much more accurate and reliable than traditional HQI spectral matching.

The Mira Cal P software provided with the Mira P instrument offers many features that help you to ensure secure and well-documented procedures in compliance with FDA 21 CFR Part 11 regulations:
  • Multilevel access control, including three predefined access levels and optional password ageing and complexity requirements
  • Audit trails to log all actions on the instruments
  • Secure electronic records that are synced to a secure database on a PC
  • Reports containing all required information (instrument info, parameters, electronic signatures) are generated at the push of the button
The new Calibrate/Verify Accessory now provides a two-part verification of the system. First, the ASTM method E1840 for Toluene-Acetonitrile is used to achieve the best possible wavenumber calibration across the entire range. Second, NIST-Traceable polystyrene is used to verify the wavenumber accuracy. Using polystyrene allows worry-free conformity with USP 1120 and EP 2.2.48.


The built-in barcode scanner can be used to automatically populate the sample name and the Lot ID by scanning the barcode prior to acquisition.

Mira handheld Raman spectrometers offer you maximum flexibility and safety. You can analyze samples either in vials that are inserted into the vial attachment or directly in the plastic or glass containers or packages. The range of accessories for Mira analyzers include:
  • Point-and-shoot adapters for direct analysis (with three focal lengths)
  • Vial holder for easy analysis of liquids and powders
  • Tablet holder
  • Contact Ball probe to immerse into liquids and powders

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