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Spectrometer Comparison Guide
Not sure where to start when choosing an Ocean Optics spectrometer? This chart compares important models and features, while our Application Engineers provide specific application insight and guidance.
Explore Our Spectrometers
Note: Newer model spectrometers may not appear on this chart.
Small Size and Great Versatility
| Small Size | Great Versatility | |||
| ST | SR2 | SR4 | SR6 | |
| Key features: |
Smallest of our spectrometers Attractive for integration and scalability Available in UV (185-650 nm), Visible (350-810 nm) and NIR (645-1085 nm) versions |
High-speed spectral acquisition Low stray light |
High resolution (FWHM) performance Robust electronics platform Low stray light |
High sensitivity Great UV response Excellent thermal stability |
| Optical resolution (FWHM, with 25 µm slit)*: | 2.2 nm |
0.43- 2.0 nm |
0.60-2.03 nm |
0.5-2.0 nm |
| Integration time: | 1.56 ms-6 s |
1 µs-2 s |
3.8 ms-10 s |
7.2 ms-5 s |
| SNR (maximum per second w/High Speed Averaging Mode): | 2250:1 |
25800:1 |
3000:1 |
3500:1 |
| SNR (single scan @ 10 ms): | 190:1 |
380:1 |
250:1 |
400:1 |
| Thermal wavelength drift: | 0.02 nm/° C |
0.02 nm/° C |
0.02 nm/° C |
0.02 nm/° C |
| Dimensions: | 42.1 mm x 40.3 x 26.6 mm | 88.1 x 63.5 x 31.45 mm | 88.1 x 63.5 x 31.45 mm | 88.1 x 63.5 x 31.45 mm |
| Weight: | 70.4 g | 275 g | 275 g | 275 g |
| Example applications: |
General absorbance measurements High intensity laser characterization Color measurements OEM integration |
High light level measurements including LED/laser characterization Applications requiring balanced, broadband spectral response |
Identification of atomic emission lines Plasma monitoring
|
UV absorbance of proteins and biomolecules UV plasma monitoring Fluorescence of chemical samples |
| Price: | $ | $$ | $$ | $$$ |
*Optical resolution is provided for a spectrometer with a 25 µm slit and the range of grating configurations available within that model family (SR2, SR4, SR6). All ST models have the same optical resolution performance.
High Resolution
|
Key features: |
Rapid acquisition speed and high resolution (FWHM)
Great thermal wavelength stability |
Best optical resolution (FWHM)
Enhanced electronics |
High sensitivity with high resolution Excellent SNR performance |
|
Optical resolution (FWHM, with 25 µm slit)*: |
0.14-1.20 nm |
0.13-1.20 nm |
<1.0 nm |
|
Integration time: |
1 μs-5 s |
3.8 ms-10 s |
7.2 ms-5 s |
|
SNR (maximum per second w/High Speed Averaging Mode): |
25800:1 |
3000:1 |
3500:1 |
|
SNR (single scan @ 10 ms): |
380:1 |
NA |
400:1 |
|
Thermal wavelength drift: |
0.02 nm/° C |
0.02 nm/° C |
0.02 nm/° C |
|
Dimensions: |
148.8 x 106.4 x 48.2 mm |
148.8 x 106.4 x 48.2 mm |
148.8 x 106.4 x 48.2 mm |
|
Weight: |
931 g |
931 g |
931 g |
|
Example applications: |
Identification of atomic emission lines
Absorbance of pharma formulations |
Optical emission spectroscopy applications including plasma monitoring
Laser/LED characterization |
Absorbance of proteins Semiconductor process monitoring
|
|
Price: |
$$ |
$$ |
$$ |
*Optical resolution is provided for a spectrometer with a 25 µm slit and the range of grating configurations available within that model family (HR2, HR4, HR6).
High Performance
|
|
|||
|
Key features: |
High throughput
Excellent peak symmetry
Onboard spectral storage and processing Available in preconfigured model for Raman (785 nm Raman excitation) |
High sensitivity
Low stray light
Onboard spectral storage and processing
Available in preconfigured models for Raman (532 nm, 638 nm and 785 nm Raman excitation) |
NIR response from 900-2500 nm
High sensitivity for lower limits of detection
Thermoelectric cooling to -20 °C for low dark current |
|
Optical resolution (FWHM)*: |
~0.70-1.10 nm (w/10 µm slit) |
~1.20-1.6 nm (w/10 µm slit) |
~3.13-6.25 nm (w/25 µm slit) |
|
Integration time: |
6 ms-10 s |
8 ms-60 minutes |
1 ms-120 s |
|
SNR (single acquisition): |
400:1 |
1000:1 |
13000:1 |
|
Thermoelectric cooling: |
No |
Yes |
Yes |
|
Dimensions: |
88.9 x 63.5 x 52.4 mm |
182 x 110 x 47 mm |
182 x 110 x 47 mm |
|
Weight: |
0.4 kg |
1.15 kg |
1.18 kg |
|
Example applications: |
High throughput color and irradiance measurements
Atomic emission line analysis
Plasma monitoring |
Fluorescence of proteins, dyes, biological samples
Blood and tissue analysis
Specular and diffuse reflectance of materials |
Moisture detection in fruits and grains
Chemical composition and concentration
Plastics identification for recycling |
|
Price: |
$$ |
$$$$ |
$$$$ |
*Optical resolution for HDX and QE Pro are provided for a preconfigured spectrometer with a 10 µm slit and the range of grating configurations available for each model. Optical resolution for NIRQuest+ is provided for a preconfigured NIRQuest+ spectrometer with a 25 µm slit and its range of available grating configurations.
You May Also Wish to Consider …
- Maya2000 Pro – back-thinned CCD spectrometer distinguished by excellent UV response and high sensitivity
- Ocean FX – super-fast spectrometer that captures up to 4,500 scans per second, with onboard spectral buffering of up to 50,000 spectra
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Spectroscopy is a complex technique, with many variations and nuances to consider. Learn more about dynamic range and signal to noise ratio (SNR), which are criteria typically cited as common measures of spectrometer performance.
Watch one of our how-to or guided application setup videos.
