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SEC2000 Operating Manual

SEC2000 Spectra System

www.als-japan.com

45

6. Analysis

6-1. Overlay

Data can be overlaid on software for analysis. The overlay method is different according to

the type of the data. Please proceed to the following steps to concrete your data.

6-1-1. Overlay of Time Series data

①

Open the software.

<Fig. 6-1-1>

②

Open a “

*.timeall

“ data by “

Overlay

”/”

Time series

”/”

Add Overlay

”.

<Fig. 6-1-2>

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Содержание SEC2000 Spectra System

Страница 1: ......

Страница 2: ...hout notice ALS shall not have either liability or responsibility to any person or entity with respect to any incidental or consequential loss or damages connected with the information contained in th...

Страница 3: ...y function and Time Serious Acquisition the intensity change monitoring of the certain wavelength according to the time SEC2000 is suitable for not only optical and chemical analyses but also environm...

Страница 4: ...ot install the instrument close to magnets Select a safe location for the instrument Make sure the space of the instrument on a work desk and away from the areas where object could fall and damage the...

Страница 5: ...11 3 2 Software Diver Installation 11 3 3 Connect SEC2000 to the PC 15 4 Operation 17 4 1 Connection 17 4 2 Program Start 18 4 3 Software Operation 19 5 Measurement 31 5 1 Calibration 31 5 2 Dark and...

Страница 6: ...rce for Visible Near infrared or SEC2000 DH light source for UV Visible and SEC2000 CUV cuvette holder Table 1 1 1 Item Description Item Code Detector SEC2000 Spectrometer SEC2000 UV VIS SEC2000 VIS N...

Страница 7: ...o sample a single wavelength The result is a flexible low cost spectrometer with no moving parts and a compact design with a familiar optical design diffraction grating symmetrical optical bench and r...

Страница 8: ...ce Mode Reflectance Fluorescence Mode Irradiance Mode Fig 1 4 1 Wavelength range 400 nm 1000 nm VIS NIR 200 nm 900 nm UV VIS Resolution 2 3 nm 50 m slit default 1 2 nm 25 m slit option Sensor Silicon...

Страница 9: ...toring Metal in situ Monitoring Luminescence PL EL LED Laser wavelength Scattering Oil concentrations of Oil water System Raman Spectroscopy Physical transition phenomena e g melting point glass trans...

Страница 10: ...design Diffraction grating symmetrical optical bench Compact design Grating Standard 600 lines mm Blazed at 500 nm VIS NIR 400 nm UV VIS Detector 2 048 element linear silicon CCD array 14 m x 200 m pe...

Страница 11: ...m 4 1 5Ghz AMD XP 1500 Memory 2GB winXP 3GB win7 32bit 8GB win7 64bit 2 Operating system OS windows XP service pack 3 windows 7 service pack 1 3 2 Software Diver Installation Open the VSpec2 1Sr softw...

Страница 12: ...ment and click Next Fig 3 2 3 Fig 3 2 3 Fill in the User Name and Organization you can use the option to make this program available to everyone or personal Click Next to move on Fig 3 2 4 Please sele...

Страница 13: ...EC2000OperatingManual SEC2000 Spectra System www als japan com 13 Fig 3 2 5 Next you should install the diver of the hardware Open the Divers folder from the VSpec2 1Sr software source folder Fig 3 2...

Страница 14: ...a System www als japan com 14 Select the suitable diver and click the program follow the InstallShield Wizard to install the diver Fig 3 2 7 Fig 3 2 8 Clicking Finish to complete installation of the d...

Страница 15: ...the PC Using the enclosed USB cable connect SEC2000 to the PC as shown in Fig 3 3 1 Fig 3 3 1 3 3 1 Windows XP The computer automatically recognizes the USB interface In the Found New Hardware Wizard...

Страница 16: ...al SEC2000 Spectra System www als japan com 16 When the Hardware installation is completed click the Finish Fig 3 3 3 3 3 2 Windows 7 The PC will recognize SEC2000 and you can start to operate the spe...

Страница 17: ...hown in Fig b To measure an irradiance spectrum remove light source as shown in Fig c of Fig 4 1 1 Note When changing the combination of the device the position of the light source and detector are al...

Страница 18: ...ine will appear when the Spectrometer SEC2000 has been connected properly with the computer Fig 4 2 1 If the Spectra System driver is not installed properly or the USB connection fails between Spectra...

Страница 19: ...the processed absorbance transmittance irradiance spectrum to Master Trace It is activated when the dark and reference spectra are opened Settings Set for a measuring spectrum and read the graphical...

Страница 20: ...matically for saved spectra Base Name Set the base name for auto incremented files Ex of file name ALS1204 date 20110112 etc Starting Index Set the starting index for auto incremented files Ex of file...

Страница 21: ...System www als japan com 21 Page Setup Write Title Comment and Footer for printing graphical spectrum Fig 4 3 2 Print Preview Preview the graphical spectra printing Fig 4 3 3 Print Ctrl P Print curre...

Страница 22: ...trum to a temporary site Copy Data Copy current data to a temporary site Add Marker Ctrl A Make a marker for current graphical spectrum Fig 4 3 4 Erase Marker Ctrl E Erase a maker that is located near...

Страница 23: ...the scale for all data to be displayed Cursor Display Enable or disable the display of cursor for the spectral window Grid Display Enable or disable the display of grid for the spectral window Marker...

Страница 24: ...arker color for the spectral window Default Return all colors to the original Main Status bar Toggle the status bar display in the main visual spectral window Spectrum Tool bar Toggle the tool bar dis...

Страница 25: ...or user Calib Spectrometer This function cannot be used for user Store Dark Save the spectrum measurement result as dark spectrum to memory and display on overlay 1 Store Reference Save the spectrum m...

Страница 26: ...elative Irradiance Mode Display data in relative irradiance mode Please save the Dark and Reference spectra before using this function Reference Color Temp Input the color temperature K of your blackb...

Страница 27: ...ic wavelength or full spectrum change is performed Configure Time Acquisition Configure and establish the parameters for time acquisition process Fig 4 3 11 Configure Time Acq Channel Set up the chann...

Страница 28: ...ion settings for Time Acq Channel Save Parameters Save a complete set of time acquisition parameters including the configuration settings for Time Acq Channel Activate Activate the time acquisition mo...

Страница 29: ...oordinate into full screen The X coordinates may be enlarged beyond the edge of the screen in this mode Full Scale This icon displays the X axis and Y axis in a full screen Scale For a detailed view t...

Страница 30: ...ger the number the larger the signal increase in detection sensitivity If the signal intensity exceeds 16 000 counts the signal will be saturated and not be detected Therefore the signal should be adj...

Страница 31: ...1 1 sharp peaks at 656 nm labeled D are the feature peaks of the deuterium arc lamp The wavelength calibration is required when the feature peaks is gap Fig 5 1 1 Emission spectrum of the ultraviolet...

Страница 32: ...ode icons become active 5 3 Sample Measurement Apply the same condition with which the Reference was measured the shutter open the same Integration Time Put the sample into the cuvette holder and clos...

Страница 33: ...trum is obtained at the maximum light intensity Save the reference spectrum by File Save Reference Close the light source shutter Do not close the power switch and click the Dark icon in the program t...

Страница 34: ...ight quantity from a standard reference substance r S D R D 100 Where r is the reflectance of the sample S is the reflect light amount which means applied light to the sample surface R is the reflect...

Страница 35: ...spectrum by File Save Reference Close the light source shutter Do not close the power switch and click the Dark icon in the program to obtain a spectrum under the minimum conditions without light Save...

Страница 36: ...utter Do not close the power switch and click the Dark icon in the program to obtain a spectrum under the minimum conditions without light Save the dark spectrum by File Save Dark Put the reflection p...

Страница 37: ...maximum value of the Y axis of the graph less than 16 000 By clicking the Reference icon in the program the spectrum is obtained at the maximum light intensity Save the reference spectrum by File Sav...

Страница 38: ...ows the fluorescence of the sample Adjust the Integration Time to control the maximum value of the Y axis of the graph less than 16 000 Save the spectrum by File Save Sample When you measure a lumines...

Страница 39: ...can be carried out in Scope Absorbance Transmittance and Reflectance modes Doing time series acquisition measurement please follow the steps First open Menu Time Configure Time Acquisition or click th...

Страница 40: ...e the full spectrum there is no need to set up the Configure Time Acq Channel Initial Delay Set the start time of the measurement After pushing the play button The measurement will start after Initial...

Страница 41: ...is not nm but pixels 3 pixels 1 nm Since the value of peak area is bigger than the value of peak height the plot range is beyond the Y coordinate limit on the graph It is better to make the bandwidth...

Страница 42: ...hould open the parameters by Manu Time Save Re memory Parameter or click icon to After configuring the channel parameters open Time Activate Time Acquisition or click icon to active the following wind...

Страница 43: ...SEC2000OperatingManual SEC2000 Spectra System www als japan com 43 Fig 5 7 4 The saved full spectrum files can be displayed using Overlay Time series Add overlay Multiple Selection...

Страница 44: ...SEC2000OperatingManual SEC2000 Spectra System www als japan com 44 Fig 5 7 5 The data can be displayed by 3D figure after clicking the icon Fig 5 7 6...

Страница 45: ...can be overlaid on software for analysis The overlay method is different according to the type of the data Please proceed to the following steps to concrete your data 6 1 1 Overlay of Time Series dat...

Страница 46: ...by Add Overlay Multiple Selection You may overlay 10 files at the same time Fig 6 1 3 Adjust the scale specify the optimal range and then the data are displayed The legend is shown in the right side...

Страница 47: ...by Overlay Spectrum Add Overlay Fig 6 1 5 Fig 6 1 6 shows opening data by Add Overlay Multiple Selection You may overlay 10 files at the same time Fig 6 1 6 Adjust the scale specify the optimal range...

Страница 48: ...an com 48 the data name for every overlay color will be shown Fig 6 1 7 6 1 3 Overlay of Processed data To overlay a processed data absorb trans refl irrad you must install the Dark and Reference data...

Страница 49: ...System www als japan com 49 Fig 6 1 9 Dark and Reference which were shown by gray become effective Fig 6 1 10 Open the dark data saved in the same condition as saving processed data by File Open Dark...

Страница 50: ...Dark and reference spectra are automatically overlaid to Overlay1 and 2 The icons of Absorbance Transmittance Reflectance Irradiance become effective Fig 6 1 12 Change the mode to Absorbance Mode The...

Страница 51: ...played There is no legend Place your mouse on the lower left color icon 11 pieces and then the data name for every overlay color will be shown Fig 6 1 14 To overlay a trans refl irrad data same to the...

Страница 52: ...calibrating the baseline It is possible only in absorbance mode Set the spectrometer system as shown in Fig 6 2 1 Fig 6 2 1 Configuration for an absorbance experiment A reference spectrum and a dark s...

Страница 53: ...antitative Analysis Setup window will be displayed Fig 6 2 3 Set the Baseline Correction range according to Fig 6 2 4 Fig 6 2 4 Set the Absorbance Area according to Fig 6 2 4 Click Next Fig 6 2 5 Sele...

Страница 54: ...ncent Column Move your mouse to Absorb column and click Get Absorb icon to calculate the area of the standard sample get a calibration line with at least three different concentrations of standard mat...

Страница 55: ...n of the unknown sample will be calculated and shown in Concent column Fig 6 2 7 Quantitative analysis with calibration method The unknown concentration of the sample is shown in open circle 6 2 2 Cal...

Страница 56: ...ample Fig 6 2 9 Absorbance of 1 mM K3Fe CN 6 solution Open the Quantitative Analysis window by View Spectrum Tool Bar check the Quantitative Analysis The window of Quantitative Analysis is shown on th...

Страница 57: ...pectra System www als japan com 57 Fig 6 2 10 Input the standard concentration of Sample 1 to Sample 5 and click The vertical axis of the peak is read Fig 6 2 11 Change the standard and get the peak a...

Страница 58: ...is shown in the graph Fig 6 2 12 Fig 6 2 12 Calibration line with three different concentrations Put an unknown sample into the cuvette holder and click Meas icon The peak absorbance of the sample is...

Страница 59: ...eters at the same time 7 2 Configure the software Connect the spectrometers to PC with USB cables Using a notebook PC you had better to use a USBHUB with the power supply to connect the spectrometers...

Страница 60: ...er set as the next CH becomes effective Fig 7 2 3 Fig 7 2 3 Regulate each window to suitable size Fig 7 2 4 The time course measurement for each channel is displayed as Monitor1 and Monitor2 It indica...

Страница 61: ...SEC2000OperatingManual SEC2000 Spectra System www als japan com 61 Fig 7 2 5...

Страница 62: ...de When the external signal Trigger In changes from 5 V to 0 V the spectrum measurement starts There are High Level mode also It s signal chart is reversed to the Low Level mode The follow procedure d...

Страница 63: ...tra as common Choose the trigger mode from Time Trigger Setting Active high or Active low We introduce you the Setting of Trigger with the absorbance measurement as an example Fig 8 3 2 Set the Config...

Страница 64: ...ble The signal of the lower spectrum screen in Fig 8 3 4 is stopped Fig 8 3 4 Click the START icon in the Monitor1 screen During this time the external TTL is 5 V Waiting for the change of the externa...

Страница 65: ...com 65 When the external TTL changes from 5 V to 0 V the spectrum measurement is begun and the spectrum and the monitor screens start to move Fig 8 3 6 Fig 8 3 6 To stop the monitor you can configure...

Страница 66: ...SEC2000OperatingManual SEC2000 Spectra System www als japan com 66...

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