Scanning Digital Mini-Chrom Monochromator with Operating Range 500 nm - 1.2 μ

Scanning Digital Mini-Chrom Monochromator

The Scanning Digital Mini-Chrom Monochromator (SDMC) includes an integral stepping motor which can be controlled by a calibrated drive such as the Optometrics PCM-02 via a 15-pin connector. The SDMC is similar to the Digital Mini-Chrom in that it includes a four digit counter for visual wavelength readout and a dial for manual wavelength selection.

The wavelength on all digital Mini-Chroms can be selected and read to 0.2 nm. Wavelength is read directly in nanometers (nm) from a counter on models 01, 02, 03, 04 and 05. For near infrared model (06), the four digit counter reading must be doubled, to 2 nm per division.

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The Scanning Digital Mini-Chrom can be used for all applications that require the convenience of an integrated visual wavelength readout and manual wavelength tunability, as well as applications requiring computer controlled scanning to a selected wavelength or routine. To prevent mechanical damage due to inadvertently exceeding wavelength limits, all Scanning Digital Mini-Chroms are supplied with dual photosensors that function as high and low limit switches are included for use in the motorized scanning mode.

Product SKUs

  • Scanning Digital Monochromator, 500 nm – 1.2 μ

    Grating Curve
    1200 Line 750nm Ruled (Models 04)
    1 in stock
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    Scanning Digital Mini-Chrom Monochromator Specifications | SDMC1-04

    Operating Range

    500 nm – 1.2 μ

    f Number


    Focal Length

    74 mm

    Beam Path

    In Line

    Resolution with 50μ slits

    0.53 nm

    Resolution with 100μ slits

    1.06 nm

    Resolution with 150μ slits

    1.59 nm

    Resolution with 300μ slits (included)

    3.19 nm

    Resolution with 600μ slits

    6.37 nm

    Resolution with 1 mm slits

    10.62 nm

    Grating Density

    1200 grooves/mm

    Grating Blaze Wavelength

    750 nm

    Linear Dispersion (Center of Range)

    10.66 nm/mm

    Stray Light

    ≤ 0.02%

    Wavelength Accuracy

    ± 0.2% of λ

    Wavelength Reproducibility

    ± 0.15%

    Wavelength Readability

    0.2 nm

    Operating Temperature Range

    -20° C to +80° C

    Damage Threshold: Pulsed

    350 mJ /cm², 200 nano sec. pulse

    Damage Threshold: CW laser

    40 Watt/cm²

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