Metrohm – Portable Raman analyzers

  • PHILIPPINES

    Camilo Umlas, General Manager

    DKSH Philippines Inc. 8th Floor Cyber Sigma, Lawton Ave., McKinley West, Fort Bonifacio 1634 Taguig City Philippines

    +63 2 8548 3200

    Email

  • Portable Raman product line Brochure – Metrohm


  • i-RamanPlus Data Sheet – Metrohm


  • i-Raman EX Data Sheet – Metrohm


  • QTRam Data Sheet – Metrohm


  • GemRam data sheet – Metrohm


  • STRam Data Sheet – Metrohm


Our family of portable Raman spectrometers with fiber-optically coupled sampling offer you versatility to interface with accessories optimized for your sample needs, allowing you to do more with less. Each system’s small footprint, lightweight design, and low power consumption helps to provide research grade Raman capabilities anywhere. We pride ourselves on providing you with portable Raman spectrometers that feature a unique blend of high resolution and field-portability.

Available Models

Technical Specifications

CCD Temperature (°C)-2°C
Computer interfaceUSB 3.0 / 2.0
DC Power Adapter Input12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions16.9 cm x 33.3 cm x 24.2 cm
Humidity10% to 85%, non-condensing
Integration time100 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range65 – 3350 cm-1
Resolution< 4.5 cm-1 at 912 nm
Weight~5.0 kg

The i-Raman® Plus 785S is part of our award-winning series of i-Raman portable Raman spectrometers powered by our innovative intelligent spectrometer technology. Using a high-quantum-efficiency CCD array detector with TE cooling and high dynamic range, this portable Raman spectrometer delivers excellent performance with low noise, even at integration times of up to 30 minutes, making it possible to measure weak Raman signals.


The i-Raman Plus 785S features the unique combination of wide spectral range and high resolution with configurations which allow measurements from 65 cm-1 to 3,350 cm-1. The system’s small footprint, lightweight design, and low power consumption ensure research-grade Raman analysis capabilities at any location. The i-Raman Plus is equipped with a fiber probe for easy sampling, and can be used with a cuvette holder, a video microscope, an XYZ positioning stage with a probe holder, as well as our proprietary BWIQ® multivariate analysis software and BWID® identification software. With the i-Raman Plus, you always have a high precision Raman solution for qualitative and quantitative analysis.

Technical Specifications

CCD Temperature (°C) -2°C
Computer interfaceUSB 3.0 / 2.0
DC Power Adapter Input12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions16.9 cm x 33.3 cm x 24.2 cm
Humidity10% to 85%, non-condensing
Integration time100 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range65 – 2800 cm-1
Resolution< 3.5 cm-1 at 912 nm
Weight~5.0 kg

The i-Raman® Plus 785H is part of our award-winning series of i-Raman portable Raman spectrometers powered by our innovative intelligent spectrometer technology. Using a high-quantum-efficiency CCD array detector with TE cooling and high dynamic range, this portable Raman spectrometer delivers excellent performance with low noise, even at integration times of up to 30 minutes, making it possible to measure weak Raman signals.


The i-Raman Plus 785H features the unique combination of wide spectral range and high resolution with configurations which allow measurements from 65 cm-1 to 2,800 cm-1. The system’s small footprint, lightweight design, and low power consumption ensure research-grade Raman analysis capabilities at any location. The i-Raman Plus is equipped with a fiber probe for easy sampling, and can be used with a cuvette holder, a video microscope, an XYZ positioning stage with a probe holder, as well as our proprietary BWIQ® multivariate analysis software and BWID® identification software. With the i-Raman Plus, you always have a high precision Raman solution for qualitative and quantitative analysis.

Technical Specifications

CCD Temperature (°C)-2°C
Computer interfaceUSB 3.0 / 2.0
DC Power Adapter Input12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions16.9 cm x 33.3 cm x 24.2 cm
Humidity10% to 85%, non-condensing
Integration time100 ms – 30 mins
Laser Power30 mW, nominal at exiting probe / 42 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)532 nm
Operating Temperature (°C)0°C – 35°C
Range65 – 4200 cm-1
Resolution< 4.5 cm-1 at 614 nm
Weight~5.0 kg

The i-Raman® Plus 532S is part of our award-winning series of i-Raman portable Raman spectrometers powered by our innovative intelligent spectrometer technology. Using a high-quantum-efficiency CCD array detector with TE cooling and high dynamic range, this portable Raman spectrometer delivers excellent performance with low noise, even at integration times of up to 30 minutes, making it possible to measure weak Raman signals.


The i-Raman Plus 532S features the unique combination of wide spectral range and high resolution with configurations which allow measurements from 65 cm-1 to 4,200 cm-1. The system’s small footprint, lightweight design, and low power consumption ensure research-grade Raman analysis capabilities at any location. The i-Raman Plus is equipped with a fiber probe for easy sampling, and can be used with a cuvette holder, a video microscope, an XYZ positioning stage with a probe holder, as well as our proprietary BWIQ® multivariate analysis software and BWID® identification software. With the i-Raman Plus, you always have a high precision Raman solution for qualitative and quantitative analysis.

Technical Specifications

CCD Temperature (°C)-2°C
Computer interfaceUSB 3.0 / 2.0
DC Power Adapter Input12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions16.9 cm x 33.3 cm x 24.2 cm
Humidity10% to 85%, non-condensing
Integration time100 ms – 30 mins
Laser Power30 mW, nominal at exiting probe / 42 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)532 nm
Operating Temperature (°C)0°C – 35°C
Range65 – 3400 cm-1
Resolution< 3.5 cm-1 at 614 nm
Weight~5.0 kg

The i-Raman® Plus 532H is part of our award-winning series of i-Raman portable Raman spectrometers powered by our innovative intelligent spectrometer technology. Using a high-quantum-efficiency CCD array detector with TE cooling and high dynamic range, this portable Raman spectrometer delivers excellent performance with low noise, even at integration times of up to 30 minutes, making it possible to measure weak Raman signals.


The i-Raman Plus 532H features the unique combination of wide spectral range and high resolution with configurations which allow measurements from 65 cm-1 to 3,400 cm-1. The system’s small footprint, lightweight design, and low power consumption ensure research-grade Raman analysis capabilities at any location. The i-Raman Plus is equipped with a fiber probe for easy sampling, and can be used with a cuvette holder, a video microscope, an XYZ positioning stage with a probe holder, as well as our proprietary BWIQ® multivariate analysis software and BWID® identification software. With the i-Raman Plus, you always have a high precision Raman solution for qualitative and quantitative analysis.

Technical Specifications

CCD Temperature (°C)-25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range150 – 3350 cm-1
Resolution< 8.0 cm-1 at 912 nm
Weight~8.8 kg

The i-Raman® Prime 785S is a low-noise, high-throughput, and fully integrated Raman system with an embedded tablet computer and a fiber-optic sampling probe. Using a high-quantum-efficiency CCD array detector with TE deep cooling (-25 °C) and high dynamic range, this portable Raman spectrometer delivers research-grade Raman analysis capabilities, including real-time quantitation and identification. The high throughput gives Raman spectra with excellent signal-to-noise ratio, making it possible to measure rapid processes and to measure even the slightest Raman signals, detecting subtle sample differences.


In addition to its portable construction, the i-Raman Prime 785S features the unique combination of wide spectral coverage and high resolution, thus enabling measurements from 150 cm-1 to 3,350 cm-1. The i-Raman Prime can be battery-operated for easy portability, providing research-grade Raman analysis capabilities for high-precision qualitative and quantitative work wherever needed. The system is optimized for use with our STRaman® technology for analyses through non-transparent packaging.

Technical Specifications

CCD Temperature (°C)-25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range150 – 2800 cm-1
Resolution< 6.0 cm-1 at 912 nm
Weight~8.8 kg

The i-Raman® Prime 785H is a low-noise, high-throughput, and fully integrated Raman system with an embedded tablet computer and a fiber-optic sampling probe. Using a high-quantum-efficiency CCD array detector with TE deep cooling (-25 °C) and high dynamic range, this portable Raman spectrometer delivers research-grade Raman analysis capabilities, including real-time quantitation and identification. The high throughput gives Raman spectra with excellent signal-to-noise ratio, making it possible to measure rapid processes and to measure even the slightest Raman signals, detecting subtle sample differences.


In addition to its portable construction, the i-Raman Prime 785H features the unique combination of wide spectral coverage and high resolution, thus enabling measurements from 150 cm-1 to 2,800 cm-1. The i-Raman Prime can be battery-operated for easy portability, providing research-grade Raman analysis capabilities for high-precision qualitative and quantitative work wherever needed. The system is optimized for use with our STRaman® technology for analyses through non-transparent packaging.

Technical Specifications

CCD Temperature (°C)-25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power35 mW, nominal at exiting probe / 42 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)532 nm
Operating Temperature (°C)0°C – 35°C
Range150 – 3400 cm-1
Resolution<; 8.0 cm-1 at 614 nm
Weight~8.8 kg

The i-Raman® Prime 532H is a low-noise, high-throughput, and fully integrated Raman system with an embedded tablet computer and a fiber-optic sampling probe. Using a high-quantum-efficiency CCD array detector with TE deep cooling (-25 °C) and high dynamic range, this portable Raman spectrometer delivers research-grade Raman analysis capabilities, including real-time quantitation and identification. The high throughput gives Raman spectra with excellent signal-to-noise ratio, making it possible to measure rapid processes and to measure even the slightest Raman signals, detecting subtle sample differences.


In addition to its portable construction, the i-Raman Prime 532H features the unique combination of wide spectral coverage and high resolution, thus enabling measurements from 150 cm-1 to 3400 cm-1. The i-Raman Prime can be battery-operated for easy portability, providing research-grade Raman analysis capabilities for high-precision qualitative and quantitative work wherever needed. The system is optimized for use with our STRaman® technology for analyses through non-transparent packaging.

Technical Specifications

CCD Temperature (°C)-25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range65–3350 cm-1
Resolution< 4.5 cm-1 at 912 nm
Weight~8.8 kg

The i-Raman® Pro 785S is a fully integrated Raman system with an embedded tablet computer and a fiber-optic sampling probe, offering users high-sensitivity, high-resolution, research-grade, portable Raman analyses. Using a high-quantum-efficiency CCD array detector with TE deep cooling and high dynamic range, the portable i-Raman® Pro system delivers excellent signal-to-noise ratio, even with applications requiring long integration times.


The i-Raman Pro 785S features the unique combination of wide spectral coverage and high resolution, measuring down to 65 cm-1 and up to 3350 cm-1. The i-Raman Pro can be battery-operated for easy portability, providing research-grade Raman analysis capabilities for high-precision qualitative and quantitative work wherever needed.

Technical Specifications

CCD Temperature (°C)-25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range65–2800 cm-1
Resolution< 3.5 cm-1 at 912 nm
Weight~8.8 kg

The i-Raman® Pro 785H is a fully integrated Raman system with an embedded tablet computer and a light-guide sampling probe, offering users high-sensitivity, high-resolution, research-grade, portable Raman analyses. Using a high-quantum-efficiency CCD array detector with TE deep cooling and high dynamic range, the portable i-Raman® Pro system delivers excellent signal-to-noise ratio, even with applications requiring long integration times.


In addition to its portable construction, the i-Raman Pro 785H features the unique combination of wide spectral coverage and high resolution, thus enabling measurements from 65 cm-1 to 2,800 cm-1. The i-Raman Pro can be battery-operated for easy portability, providing research-grade Raman analysis capabilities for high-precision qualitative and quantitative work wherever needed.

Technical Specifications

CCD Temperature (°C) -25°C
Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Integration time7 ms – 30 mins
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range65–2800 cm-1
Resolution< 3.5 cm-1 at 912 nm
Weight~8.8 kg

The QTRam®, powered by B&W Tek’s STRaman® technology, is a portable transmission Raman spectrometer that enables rapid and nondestructive quantitative analysis. It is ideal for testing the blend and active ingredient content uniformity of pharmaceutical solid-dosage products. The instrument can be easily operated using 21 CFR Part 11 compliant software for quantitative analysis on the embedded tablet computer, while being compact allows at-line or lab analysis of the active ingredient content uniformity of tablets and capsules.

Technical Specifications

CCD Cooling Temperature-15°C ± 2
Computer interfaceUSB 2.0 / 1.1
DC Power Adapter Input110-240 V AC / 50-60 Hz
DC Power Adapter Output12 V DC at 6.6 A
Detector TypeTE-Cooled InGaAs
Dimensions17 cm x 34 cm x 28 cm
Humidity10% to 85%, non-condensing
Integration time200 μs – 5 minutes
Laser Power330 mW, nominal at exiting probe / 430 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)1064 nm
Operating Temperature (°C)0°C – 35°C
Range100 cm-1 – 2500 cm-1
Resolution< 10 cm-1 at 1296 nm
Weight~3.4 kg

The i-Raman® EX is part of our award-winning series of i-Raman portable Raman spectrometers with our patented CleanLaze® laser with 1,064 nm laser excitation. Using a high-sensitivity InGaAs array detector with TE deep cooling, high dynamic range, and a high throughput spectrograph design, this portable Raman spectrometer delivers a high signal-to-noise ratio without inducing autofluorescence, making it possible to measure a wide range of natural products, biological samples (such as cell cultures), and colored samples.


The i-Raman EX provides a spectral coverage range from 100 cm-1 to 2,500 cm-1, enabling you to measure across the entire fingerprint region. The system’s small footprint, lightweight design, and low power consumption ensure research-grade Raman analysis capabilities at any location. The i-Raman EX comes equipped with a fiber probe and an XYZ-positioning-stage with probe holder. It can be used with a range of sampling accessories to facilitate measurements on a wide range of different samples. For expanded analysis capabilities, it can be used with our proprietary BWIQ® multivariate analysis software or BWID® identification software. With the i-Raman EX, you always have a high precision Raman solution for qualitative and quantitative analysis without fluorescence.

Technical Specifications

Computer interfaceUSB 2.0 / 1.1
Dimension17 x 34 x 23.4 cm
Humidity10% – 85%
Laser Power785 nm, > 320 mW
Operating Temperature (°C)10°C – 35°C
Power5 V DC at 8 A
Spectrometer Range150 cm-1 – 2700 cm-1
Spectrometer Resolution< 3.5 cm-1 at 912 nm
Storage Temperature-10°C – 60°C
Weight4.6 kg

The GemRam™ is a lightweight, portable Raman spectrometer for rapid, non-destructive verification of known gemstones as well as the identification of unknown gemstones based on mineral physics. Designed for gemologists and researchers, it includes B&W Tek’s GemID™ identification software with a spectral library of more than 450 genuine gemstones from the GemExpert collection, including common and rare gem spectra and images. The GemRam can be used to identify polished stones, crystals as well as uncut stones.


The GemRam utilizes a frequency-stabilized 785 nm diode laser and a high resolution, TE-cooled spectrometer, providing unrivaled performance and repeatability. For convenient sampling, it comes complete with a fiber probe and an X-Y-Z positioning stage, all in a carrying case.

Technical Specifications

Computer interfaceUSB 2.0
DC Power Adapter Input100–240 V AC 50/60 Hz
DC Power Adapter Output12 V DC at 6.6 Amps
Detector TypeHigh Quantum Efficiency CCD Array
Dimensions40 cm x 26 cm x 25 cm
Humidity10% to 85%, non-condensing
Laser Power340 mW, nominal at exiting probe / 455 mW, nominal at laser port
Laser Power Control0% to 100% (adjustable in 1% steps)
Laser Wavelength (nm)785 nm
Operating Temperature (°C)0°C – 35°C
Range150 – 2800 cm-1
Resolution< 6.0 cm-1 at 912 nm
Weight~8.8 kg

The award-winning STRam® unites a high-throughput spectrometer, specialized sampling optics, and advanced algorithms in a portable Raman system, delivering rapid material identification capabilities through a variety of barrier layers and types of packaging that were previously impenetrable using Raman spectroscopy. Using our patented STRaman® technology, the STRam can record Raman signals generated under diffusive layers to identify material inside even visually opaque barriers, such as white and lightly colored plastic bottles, fiber sacks, and tablet coatings. With the STRam, materials can be identified without opening containers and coming in contact with the material, thus maintaining package and sample integrity. The system design features a large area for sampling, a great sample depth, and a minimized power density, facilitating the measurement of samples that can be challenging for conventional Raman spectroscopy.

Key Features

Portable Raman analyzers

  • Versatile instruments offering suitable accessories for many applications
  • Compact, portable instrument with small footprint for at-line or laboratory analysis
  • Nondestructive quantitative and qualitative analysis
  • See-through technology for measurements through glass and plastic containers
  • 21 CFR Part 11-compliant software for application in the pharmaceutical industry

B&W Tek Portable Raman analyzers

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