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1/2m&1/4m Monochromator/Spectrograph | SIMTRUM Photonics Store

Products / Light Analysis /Monochromators & Spectrographs /1/2m&1/4m Monochromator/Spectrograph /
1/2m&1/4m Monochromator/Spectrograph
Overview Specification Sheet DK Series Accessories Downloads & Drivers Order Now!


DK480 1/2m FL Monochromator and Spectrograph


The Digikröm DK480 is a complete computer integrated solution. Easy to use commands control the triple grating turret, motorized slits, and optional motorized filter wheel for quick and easy sorting. Instrument mode can be set for constant spectral resolution (CSR), where the slit width is automatically modified to compensate in the change in dispersion with wavelength to maintain constant spectral bandpass. Rugged cast construction, A-Thermal design, 

and SP direct grating drive make this unit the most repeatable and reliable in its class. Each instrument is calibrated and certified prior to delivery.

  

Features

-Triple-grating turret allows high efficiency scanning across a broad spectral range with motorized slits

- May be factory configured as a monochromator or spectrograph.
- Scans in both directions and with Constant Spectral Resolution (CSR)
- Integrates with SP filter wheel for automatic filter switching
- Suitable for fluorescence and absorption studies, detector characterization, thin film measurements, etc

- Connects to any computer via RS 232 or IEEE-488.

DK240 1/4m FL Monochromator and Spectrograph

The Digikröm DK240 is a complete computer integrated solution. Easy to use commands control the triple grating turret,

motorized slits, and optional motorized filter wheel for quick and easy sorting. Instrument mode can be set for constant 

spectral resolution (CSR), where the slit width is automatically modified to compensate in the change in dispersion with 

wavelength to maintain constant spectral bandpass. Rugged cast construction, A-Thermal design, and SP direct grating 

drive make this unit the most repeatable and reliable in its class. Each instrument is calibrated and certified prior to 

delivery.


Features

- Connects to any computer via RS 232 or IEEE-488.
- Motorized slits
- Triple-grating turret allows high efficiency scanning across a board spectral range
- May be factory configured as a monochromator or spectrograph
- Scans in both directions and with Constant Spectral Resolution (CSR)
- Integrates with SP filter wheel for automaic filter switching.
- Suitable for fluorescence and absorption studies, detector characterization, thin film measurements, etc.

image.png



Product Brochures: 

DK240 | DK480

General Specifications

Model

DK240

DK480

                      Design

Czerny-Turner: Standard Triple   Grating     Turrets

                  Focal Length

    240mm

480mm

                           f/#

3.9

7.8

           Reciprocal Dispersion

3.2nm/mm (with 1200g/mm grating)

1.6nm/mm (with 1200g/mm grating)

            Wavelength   Drive

Worm and wheel with micro-processor control and anti-backlash gearing. Bi-directional.     

Usable in positive or negative grating orders.

         Wavelength Precision

0.01nm (with 1200gv/mm   grating)

         Wavelength  Accuracy

±0.30nm standard (with 1200gv/mm grating)

                 Scan Speed

1   to 1200nm/min (with 1200g/mm grating)

                 Stray light

<0.01% @220nm(Nal)

                      Slits

Standard: Unilateral- computer controlled – curved entrance – straight exit

Width: 10um – 3000um

Height: 2mm –  20mm

                Max Resolution

0.2nm (with 1200g/mm grating and

0.1nm (with 1200g/mm grating)

                 Gratings

1-3 gratings (68x68mm standard) (68x84mm optional) must be purchased. See Gratings (DK) page

Click here to view Gratings.

                Software

Demonstration control program and LabView Driver included.

                  Power

100   – 240V 50/60Hz 60W

220/230/240 50/60Hz @0.5A optional

                 Interface

RS232 Standard


Diffraction Gratings are optical components with a periodic structure which splits and diffracts lights into its wavelengths travelling in different directions. The directions of these wavelengths are dependent on the spacing on the grating and the wavelength of the incident light. image.png

Gratings and Optical Resolutions

Part   #

Ruling   (g/mm)

Peak   (nm)

Range   (nm)

Peak   T%

AG2400-00240-686

2400

240

180     - 680

70

AG1200-00200-686

1200

200

180     - 450

65

AG1200-00250-686

1200

250

180     - 460

70

AG1200-00300-686

1200

300

200     - 750

72

AG1200-00500-686

1200

500

330     - 1000

83

AG1200-00600-686

1200

600

400     - 1500

80

AG1200-00750-686

1200

750

480     - 1500

85

AG1200-01000-686

1200

1000

550     - 1500

75

AG0600-00500-686

600

500

350     - 1300

80

AG0600-01250-686

600

1200

800     - 1300

85

AG0600-01600-686

600

1600

950     - 3000

93

AG0300-00500-686

300

500

310     - 1100

80

AG0300-02000-686

300

2000

1200     - 4000

88

AG0300-02500-686

300

2500

1500     - 6000

88

AG0300-03000-686

300

3000

1800     - 6000

80

AG0150-00500-686

150

500

320     - 980

72

AG0150-04000-686

150

4000

2500     - 9000

93

AG0075-08000-686

75

8000

5000     - 15000

82

AG0050-00600-686

50

600

400     - 1200

78


Schematic

DK240

image.png

DK480


Terminology Guide

Wavelength Precision

It is the ability of the device to return to the same wavelength. The measured wavelength by the equipment should not drift over the range provided.

Wavelength Accuracy

It is a measure of the deviation of the wavelength when the standard wavelength is measured. You would expect the vaue of the wavelength to be the standard value with the deviation everytime you take a measurement.

Wavelength Resolution

It is the the ability of the instrument to differentiate between different wavelength of light.

Slewing speed

It is the rate which the wavelength is being read. 

Bandpass

The range of frequencies or wavelengths that can pass through the slits


 1-3 gratings (68x68mm standard) (68x84mm optional) must be purchased. See Gratings (DK) page Click here to view Gratings.


DK Accessories

Part N/O

ITEM

Description

DKBS

Bi-lateral slit option

Bi-lateral slit option for DK240 / 480.
Both sides of slits are automatically controlled for maintaining image centering   when wider slits are necessary.(Tolerance: ± 10µm)

DKGPIB

Connection

Internal IEEE-488 / GPIB communication   interface option for DK240 / 480.
Separate output connector from monochromator.

IR240
    IR240SP*

Infrared (gold) coatings

Infrared (gold) coatings on optics for DK240.

Enhances transmission by up to 40% between 600   - 1100nm.   Not suitable for work below 600nm.

IR480    IR480SP*

Infrared (gold) coatings

Infrared (gold) coatings on optics for DK480.
Enhances transmission by up to 40% between 600 - 1100nm

DK2401

Handheld monochromator controller

Handheld monochromator controller for DK240 / 480.

Allows local control of monochromator whether or not a computer is available.

DK24PS

Cable

RS 232 Cable assembly for PS/2 style computer

DK24MA

Cable

RS 232 cable assembly for MAC style computer

DK24IC

Cable

IEEE-488/GPIB universal cable   assembly

AB300

Filter Wheel

Six position - 1" diameter     automatic filter wheel assembly that bolts directly to the DK entrance.Receives   power and commands directly through DK unit.

DKSP-to-DK


Attachment to allow DKSP spectrograph     to operate as a monochromator.
  Includes CM standard 6-fixed slit set.

AB200

Filter Mount

Single filter carrier that mounts     directly between DK unit and accessory.

MCL-100

Collimator: Universal Output Conditioner

An output module designed to work with both CM   and DK model monochromators. The adjustable position of the internal lens   allows the user to condense or collimate for UV to NIR wavelengths.


Click here to access and purchase from the Accessories Page.


DK240/480 Demonstration Software-Windows™ 

DK series monochromator demonstration software is written in Microsoft® Visual Basic™ 16 bit, Ver. 4.0 for Windows™ and will run on Windows™ 3.11, 95, 98, 2000, and NT 4.0. The demonstration software, along with instructions for operation, is found on the CD software disk. If you are interested in writing custom software that supports the DK240/480, we will be pleased to send this source code upon request. If you have any questions about the operation of your monochromator or if you have suggestions, please contact us. We appreciate your comments and suggestions.


Manual: 


DK240/242/480 User Manual Rev. March 2009

                                                                                                                                                                          pdf.png


Software


image.png DK240/242/480 Labview Executable Demo

                                                                                                                   

zip.png


image.png DK240/242/480 Labview Source code Demo

                                                                                                                                                                         

zip.png


image.pngDK240/242/480 Labview GPIB Executable Demo

                                                                                           

zip.png


image.png DK240/242/480 Labview Source GPIB Demo

                                                                                                                              

zip.png

image.pngLabview Runtime Engine

NOTE: please install the Labview Runtime Engine and Labview Full Visa (the latest version), if your computer doesn't have any of these.

 

zip.png

image.pngLabview VISA 

zip.png


DK240/242/480 Visual Basic Executable Demo

                                                                                                                                   

zip.png

DK240/242/480 Visual Basic Source Demo

zip.png

Learn C++ from Scratch: The Complete Guide for BeginnersDK240/242/480 Visual C++ Executable Demo

zip.png

Learn C++ from Scratch: The Complete Guide for BeginnersDK240/242/480 Visual C++ Source Demo

zip.png

Monochromator Full CD Software Installation

zip.png



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Search Reset
Compare Model Drawings & Specs Availability Reference Price
(USD)
DKSP480
1/2 meter Spectrograph 		4-6 Weeks Request for quote
DK480
1/2 meter Monochromator 		4-6 Weeks Request for quote
DKSP240
1/4 meter Spectrograph 		4-6 Weeks Request for quote
DK240
1/4 meter Monochromator 		4-6 Weeks Request for quote

AG0050-12000-686 - Parameter

Peak Transmittance (%)
82

Ruling (G/mm)

Peak (nm)

AG0050-00600-686 - Parameter

Peak Transmittance (%)

Ruling (G/mm)

Peak (nm)
600

AG0075-08000-686 - Parameter

Peak Transmittance (%)
82

Ruling (G/mm)
75

Peak (nm)

AG0150-04000-686 - Parameter

Peak Transmittance (%)
93

Ruling (G/mm)
150

Peak (nm)

AG0150-00500-686 - Parameter

Peak Transmittance (%)
72

Ruling (G/mm)
150

Peak (nm)
500

AG0300-03000-686 - Parameter

Peak Transmittance (%)
80

Ruling (G/mm)
300

Peak (nm)

AG0300-02500-686 - Parameter

Peak Transmittance (%)
88

Ruling (G/mm)
300

Peak (nm)

AG0300-02000-686 - Parameter

Peak Transmittance (%)
88

Ruling (G/mm)
300

Peak (nm)

AG0300-00500-686 - Parameter

Peak Transmittance (%)
80

Ruling (G/mm)
300

Peak (nm)
500

AG0600-01600-686 - Parameter

Peak Transmittance (%)
93

Ruling (G/mm)
600

Peak (nm)

AG0600-01200-686 - Parameter

Peak Transmittance (%)
85

Ruling (G/mm)
600

Peak (nm)

AG0600-00500-686 - Parameter

Peak Transmittance (%)
80

Ruling (G/mm)
600

Peak (nm)
500

AG1200-01000-686 - Parameter

Peak Transmittance (%)

Ruling (G/mm)
1200

Peak (nm)

AG1200-00750-686 - Parameter

Peak Transmittance (%)
85

Ruling (G/mm)
1200

Peak (nm)

AG1200-00600-686 - Parameter

Peak Transmittance (%)
80

Ruling (G/mm)
1200

Peak (nm)
600

AG1200-00500-686 - Parameter

Peak Transmittance (%)

Ruling (G/mm)
1200

Peak (nm)
500

AG1200-00300-686 - Parameter

Peak Transmittance (%)
72

Ruling (G/mm)
1200

Peak (nm)

AG1200-00250-686 - Parameter

Peak Transmittance (%)
70

Ruling (G/mm)
1200

Peak (nm)

AG1200-00200-686 - Parameter

Peak Transmittance (%)

Ruling (G/mm)
1200

Peak (nm)

AG2400-00240-686 - Parameter

Peak Transmittance (%)
70

Ruling (G/mm)

Peak (nm)

DK240 - Parameter

DKSP240 - Parameter

DK480 - Parameter

DKSP480 - Parameter

AG0050-12000-686 - Download

AG0050-00600-686 - Download

AG0075-08000-686 - Download

AG0150-04000-686 - Download

AG0150-00500-686 - Download

AG0300-03000-686 - Download

AG0300-02500-686 - Download

AG0300-02000-686 - Download

AG0300-00500-686 - Download

AG0600-01600-686 - Download

AG0600-01200-686 - Download

AG0600-00500-686 - Download

AG1200-01000-686 - Download

AG1200-00750-686 - Download

AG1200-00600-686 - Download

AG1200-00500-686 - Download

AG1200-00300-686 - Download

AG1200-00250-686 - Download

AG1200-00200-686 - Download

AG2400-00240-686 - Download

DK240 - Download

Download

DKSP240 - Download

Download

DK480 - Download

Download

DKSP480 - Download

Download

Accessories

Compare Model Drawings & Specs Availability Reference Price
(USD)
AG2400-00240-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00200-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00250-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00300-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00500-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00600-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-00750-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG1200-01000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0600-00500-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0600-01200-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0600-01600-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0300-00500-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0300-02000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0300-02500-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0300-03000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0150-00500-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0150-04000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0075-08000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0050-00600-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote
AG0050-12000-686
DK Series Standard Ruled Gratings, Size = 68 x 68 mm 		4-6 Weeks Request for quote

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