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Mini Monochromator

Compact, Automated Scan

Model: HO-SP-150F6 Series
Very fine resolution
Operates in Manual & PC mode

HOLMARC’s New 125mm & 150mm focal length CT monochromators are compact mini optical system delivering a high performance, reliable solution wide scan wavelength measurement over UV-VIS-IR region (185nm - 3300nm). Its features are comparable to many larger, more expensive, conventional models. At just 16 x 8cm the 125F5 monochromator (20 x 10cm for 150mm F6 monochromator) features a compact design with a single entrance and exit slit with up to two diffraction gratings ideal for accommodation into the smallest of spaces available, particularly suitable in OEM applications.

The 150F6 monochromator is ideally suited to measurements whereby a medium to lower spectral resolution is required, i.e. as tuneable light source, wavelength scan measurement system etc. Suitable for integration into a larger measurement system. Because of the compact design it can be used in a variety of sophisticated analytical and biomedical equipment such as: clinical chemistry analyzers, HPLC detectors, and UV-VIS-NIR spectrophotometers.

        Optical Layout :     Czerny Turner
        Focal length :     120, 125 & 150mm
        Grating mount :     Single / Dual grating turret
        Number of gratings :     1 - 2
        Grating size :     25 x 25 mm
        Aperture ratio :     f/4, f/5 & f/6
        Number of entrance / exit ports :     1
        Fiber optic coupler plate :     Yes, converts slit aperture to SMA connector
        Mechanical resolution drive :     0.000072°/ step
        Slit type :     Fixed, Micrometer or motorized
        Slit width :     10 μm - 2 mm
        Slit height :     12 mm
        Higher order filter size :     12.5 mm
        Linear dispersion :     3.9 nm / mm (150 mm f)
        Wavelength accuracy :     ± 0.25 nm
        Resolution @ 25 μm Slit width & 1200l / mm Configuration : 0.098 nm
        Computer interface :     USB 2.0
        Software control :     Holmarc Spectra Scan
        Can be held in any position vertical or horizontal
        Provision to screw a rectangular to round fibre patch cord on both input and output slit
        Computer control of monochromator with QSR software (Lab View support)
Model Wavelength Range f # Grating Resolution
Typical Operation
HO-SP-120F4-M1 350 - 1100 nm f 4 Single, 1200 l/mm 1.25 nm
HO-SP-125F5-M1A 190 - 1100 nm f 5 Single, 800 l/mm 1.75 nm
HO-SP-125F5-M1B 190 - 900 nm f 5 Single, 1200 l/mm 1.2 nm
HO-SP-125F5-M1C 350 - 700 nm f 5 Single, 2400 l/mm 0.65 nm
HO-SP-150F6-M1A 190 - 1100 nm f 6 Single, 800 l/mm 1.5 nm
HO-SP-150F6-M1B 190 - 900 nm f 6 Single, 1200 l/mm 1 nm
HO-SP-150F6-M1C 350 - 700 nm f 6 Single, 2400 l/mm 0.5 nm
HO-SP-150F6-M2A 190 - 1100 nm f 6 Dual, 1200 & 2400 l/mm 0.5 nm
HO-SP-150F6-M2B 190 - 1600 nm f 6 Dual, 800 & 1200 l/mm 1 nm
HO-SP-150F6-M2C 1000 - 3300 nm f 6 Dual, 800 & 600 l/mm 1.5 nm
Manual Mini Monochromator
125 mm F5 & 100 mm F4 - Handheld Size

HO-SP-125F5 & HO-SP-100F4 Series

HOLMARC’s MMS-125F5 hand held Mini Monochromator is a manually operated light weight monochromator size of that utilizes a knob dial and a precision linear engraved top for wavelength selection. For quick wavelength selection a quick release lever also provided. Precision lead screw sine bar mechanism is used for the rotation of the diffraction grating which positions the selected wavelength at the exit slit. Wavelength can be read directly in nanometers from engraved top.

These are ideal choice for compact wavelength selection system. 0-5 mm micrometer controlled variable slit is used for the wavelength band width controls. Narrower slits increase resolution but decrease throughput. Wider slits increase throughput at the expense of spectral purity.

# Note: It is possible to converts slit aperture to SMA connector.

General Specifications

        Optical Layout :     Czerny Turner
        Focal length :     125 & 100mm
        Grating mount :     Single
        Grating size :     25 x 25 mm
        Aperture ratio :     f/5 & f/4
        Number of entrance / exit ports    :    1
        Fiber optic coupler plate    :    Yes, converts slit aperture to SMA connector
        Mechanical resolution drive :     0.000072°/ step
        Slit type :     Fixed
        Slit width :     10 μm - 3 mm
        Slit height :     12 mm
        Higher order selection :     Manual
        Higher order filter size :     12.5 mm
Model Wavelength Range f # Grating Resolution
Typical Operation
HO-SP-125F5-M1A 190 - 1100 nm f 5 Single, 800 l/mm 1.75 nm
HO-SP-125F5-M1B 190 - 900 nm f 5 Single, 1200 l/mm 1.2 nm
HO-SP-125F5-M1C 350 - 700 nm f 5 Single, 2400 l/mm 0.75 nm
HO-SP-100F4-M2A 190 - 1100 nm f 4 Single, 800 l/mm 2 nm
HO-SP-100F4-M2B 190 - 900 nm f 4 Single, 1200 l/mm 1.5 nm
HO-SP-100F4-M2C 350 - 700 nm f 4 Single, 2400 l/mm 1 nm

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