the user manual
Contents
1. 59 PW MAN SCN VIEW The measurements are stored in a buffer before being transferred to the cartridge When ten blocks are in memory or at midnight even if the measurements in the buffer occupy less than ten blocks a data block 256 bytes the data are transferred to the cartridge VIEW MEM R Consultation of the measurements saved in the buffer XX scenario or sequence code XX Y 31 gt 12 23 59 INI when the buffer is empty NN MM cc yyyy Y defines the mode M measurement saved in memory in automatic mode m measurement saved in memory in manual mode Cimel Electronique Radiancemeter User s manual 14 NN MM measurement number number total of measurements cc code of the filter on which the measurement has been done yyyy value of the measurement Y permits the consultation of the previous measurement R permits the consultation of the following measurement W permits the scrolling of the data bloc G permits to return to the main menu 31 12 98 23 59 PW SCN VIEW VIEW CART Y Consultation of the measurements saved in the cartridge Reading of the cartridge reading cart If the cartridge is not connected the screen cart none displays Then strike any key to get back to the 31 12 98 23 59 VIEW menu RTN BAT CART MEM Otherwise cart fresh If the cartridge is empty the screen will display If the cartridge has some measurements in cart xxx 12. 0 2 2 06 02 2003 10 58 42 1919 457 276 28 4811 0 22 1 0 2 3 Note Starting with the 5 3 version the calibration Cal is suppressed Also the measurement of the filter 835nm on the Ge detector is suppressed Cimel Electronique Radiancemeter User s manual 18
3. Strike a key to continue Go in Files select Save file K7 and enter a file name for your K7 file This process generates a K7 file which contains the true content of the buffer It is in machine language 4 At the end Strike a key to continue Go in Ascii output and give a file name for your ascii files Strike a key to continue This process generates a sta cll Jum and k7 files A file called ascii ast is always created and is a trash file it is useless for the user At the end exit the program with End The ascii files have all the same header which is File Filename ext Instrument Identification Country xx District xx Number xx Cimel Electronique Radiancemeter User s manual 16 Filename is the ascii file name you entered ext is sta um or k7 The values xx are the ones entered by the user to identify the instrument The general format of the ascii files is a series of columns with the following data dd mm yy date the data were recorded in day month year time the data were recorded in hour minute second L1 measurement with filter 1 in Digital Counts 850 nm WB 91 nm with Si detector L2 measurement with filter 2 in Digital Counts 650 nm WB 53 nm with Si detector L3 measurement with filter 3 in Digital Counts 550 nm WB 85 nm with Si detector L4 measurement with filter 4 in Digital Counts measurement with filter 5 in Digital Counts
4. 27 memory xxx represents the number of blank pages left Striking any key permits to consult the measurements saved on cartridge The same screen as for VIEW MEM is displayed The only difference is that Y will be whether K or k K measurement saved on cartridge effected in automatic mode k measurement saved on cartridge effected in manual mode VIEW RTN Return to the main menu 31 12 98 23 59 PW MAN SCN VIEW Cimel Electronique Radiancemeter User s manual 15 PC TRANSFER The data recorded in the memory or on a cartridge can be transferred to a PC 1 Plug the control unit to the PC with the PC DCP cable Plug the cable on the telephone socket the charger the control unit to or 2 on the back of the PC DOS Version 2 Simply run ASTP by typing astp p com1 astp p com2 whether you use com com2 The following menu appears At the bottom of the table the following menus appears Files Open Save K7 file Read K7 Read the K7 Display Display events stored in the memory Transfer Data acquisition from the instrument Ascii output Writing ASCII files Display hExa Display Exit data in HEXA format Hours Read hours Tools Terminal End End of program version From the menu choose Transfer Choose the operating mode PC on the CE 313 and press GO W to start the data transfer The data transfer takes about 4 to 5 min 3 At the end
5. CIMEL ELECTRONIQUE 172 rue de Charonne 75011 Paris France Tel 33 1 43 48 79 33 Fax 33 1 43 48 62 61 http www cimel fr User Manual Radiancemeter CE 313 Version 2 0 Printed February 2002 TABLE OF CONTENTS GENERAL DESCRIPTION 3 STARTING UP THE RADIANCEMETER 5 PASS WORD INTRODUCTION 6 assent ent inet 7 PARAMETER nn nanas 8 MEMORY INITIALISATION nan 10 SCENARIO MODE oe oe RADIANCE MEASUREMENT asser 12 XF READING de 14 PETRANSFER duc fe une du 16 Cimel Electronique Radiancemeter User s manual 2 GENERAL DESCRIPTION Instrument specifications The CIMEL Electronique 313 field spectral radiometer is a portable and autonomous instrument equipped with an optical head for radiance and irradiance measurement This instrument has approximately 10 full angle field of view The instrument consists of an optical head with one or two detectors for measurement in the ranges 350 1100 and 1100 1800 nm Ion assisted deposition interference filters are located in a filter wheel which is rotated by a direct drive stepping motor An internal battery provides the power supply The data are stored in a memory and can be easily transferred in an ASCII file on a PC The CE313 1 version has one silicon detector for measurements in the 350 1100 nm range a
6. Reading EPROM Identification of the radiancemeter Country from 0 to 255 by its country code OK X PW PAR Y Decreases the parameter value PW PAR IR Increases the parameter value PW PAR X Goes to the following parameter Identification of the radiancemeter District from 0 to 9999 its district code X Number from 0 to 15 Identification of the radiancemeter by its assigned number Os x Set the time interval between two loop Period s 20 measurements OK x Compensation of the zero offset of the T Offset 300 temperature detector from 0 8 C to OK x 0 7 C This parameter is set in the factory Origin of the first filter with regard to the Org offset 50 starting plot on the filter holder wheel OK x from 1 to 255 steps Permits a precise placing of the filters This parameter is set in the factory Sensitivity multiplying factor to be Fluml 5 applied to the LUM measurements with OK filter 1 1 50 Cimel Electronique Radiancemeter User s manual Idem to for the other filters Flum5 5 OK X PW PAR OK G Validation of the values of the different Valid parameters NO YES PW PAR OK NO G Return to PW menu 23 59 59 RTN INI DAT PAR PW PAR OK YES IR Save the parameters non volatile Writing EEPROM memory Return to PW menu 23 59 59 RTN INI DAT PAR Cimel Electronique Radi
7. UM or MAN LUM R Measurement sequence with LUM gains Search the starting plot reference position Searching of the filter holder wheel starting plot Tf the starting plot is found the first filter is nnee XXXX yyyy ready for the measurement ABO lt gt RUN NEXT nn measurement number 1 to 7 L if LUM measurement BG if Black Germanium measurement xxxx in LUM maximal value of the measurements yyyy current value MAN LUM G Abortion of the sequence Returns to the MAN menu and places the filter 31 12 98 23 59 wheel at its origin position RTN SVK7 LUM MAN LUM NEXT R Selection of the next filter Turns to the next filter nncc XXXX ABO lt gt RUN NEXT MAN LUM RUN Y Launch an automatic measurement cycle all the filters Cimel Electronique Radiancemeter User s manual 12 Keeps the data from filters already turned if any nnee XXXX and records the data defiling the filters until the last ABORT autorecord filter A strike on ABORT G stops the data collection 31 12 98 23 59 and returns to the MAN menu SVK7 LUM A strike on Y stops the automatic nncc XXXX measurement and displays the measurement ABO lt gt RUN NEXT where it stopped is always the value recorded When the measurements are over this screen appears I xxx nnT1 ttt xxx identification of the set of measurement RIN ID Store 0 to 127 nn numbe
8. ancemeter User s manual MEMORY INITIALISATION PW INI PW INI Return to PW menu PW INI YES Y Purge the memory Strike W Y or R to return to PW menu Strike RTN G to return to the main menu PW INI SBY R Standby position then screen becomes blank To wake it up see page 3 PW RTN G Return to the main menu purge memory NO YES SBY 23 59 59 RTN INI DAT PAR purge success RTN 23 59 59 RTN INI DAT PAR 31 12 98 23 59 PW MAN SCN VIEW STANDBY awake red key 31 12 98 23 59 PW MAN SCN VIEW Cimel Electronique Radiancemeter User s manual SCENARIO MODE SCN Y Access to the different scenarios name of the scenario RTN GO Name Next scenario press R Previous scenario press Y To start a scenario press GO W Stop the current scenario RTN GO OFF Automatic measurement RTN GO MesAut When the scenario MesAut is started it waits the next full minute to make the first measurement The data are automatically taken with the radiance gains on each filter When the measurements are made on each filter the time remaining to the next measurement is displayed t nn The total time is the time entered in the parameter Period Transmission of the data to a compatible PC RTN GO PC Cimel Electronique Radiancemeter User s manual 11 RADIANCE MEASUREMENT MAN W 31 12 98 23 59 RTN SVK7 L
9. er User s manual 5 PASSWORD INTRODUCTION PW G Introduce the password PW 1 23 59 59 PW 0 R to increase Pass Y to decrease A pressure on W permits to return to 31 12 98 23 59 the main menu PW MAN SCN VIEW Otherwise valid with G then the PW menu 23 59 59 RTN INI DAT PAR RTN G Return to the main menu INI W Memory initialisation DAT Y Date and time setting PAR R Radiancemeter parameters NOTE The introduction of constants and parameters and the update of magnitudes are carried out by modifying increasing or decreasing the current value Cimel Electronique Radiancemeter User s manual TIME SETTING PW PW DAT Y Decreases the values PW DAT R Increases the values PW DAT X W Presents the following magnitude Year 98 Enter the year OK xX 2 Month 12 Enter the month OK X Day 31 Enter the day OK Hour 23 Enter the hour OK X Enter the minute one unit ahead as Minute 59 compared to the reference clock OK x PW DAT OK G Validation and return to the PW 22 59 59 menu RTN INI DAT PAR NOTE The seconds are implicitly set at zero this operation must be done exactly when the minutes appear at the reference clock Each entrance in the DAT menu even without any modification sets the seconds at zero Cimel Electronique Radiancemeter User s manual 7 PARAMETER SETTING PW PAR R
10. light is subsequently reflected by it Cimel Electronique Radiancemeter User s manual 4 Again the reflectance is recorded with the radiancemeter You obtain a digital count value for this target reflectance The target reflectance in digital count is then divided by the calibration reflectance in digital count obtained with the spectralon Then the result is the fractionnal reflectance of the target If the target is perfectly reflecting then the measured fractional reflectance will equal 1 and conversely if it is a perfect absorber then it will equal 0 STARTING UP THE RADIANCEMETER At the first use strike any key until this message appears on the screen STANDBY awake red key The instrument is in standby Release the red key and strike it again to get to the main menu 31 12 98 23 59 PW MAN SCN VIEW Abbreviations G forthe green key W for the white key Y for the yellow key R for the red key PW G Password introduction Time setting Initialisation Constants and parameters setting MAN WwW Access to the manual sequences LUM the FLum gains are applied SCN Y Access to the programmed scenarios VIEW R Access to the visualisation parameters Of the recorded results Of the battery voltage NOTE After a minute without the keyboard being used the screen automatically dies away Striking any key makes the main menu appear on the screen Cimel Electronique Radiancemet
11. nd can be equipped with up to 9 user adjustable filters The CE 313 2 version is equipped with two detectors one silicon detector for measurements in the 350 1100 nm band and one InGaAs detector for measurement in the infrared range from 1100 to 2500 nm Up to nine user adjustable filter can be mounted on the instrument The complete package includes a radiometer head an _ instrument mast an electronic box and lambertian panel for reflectance measurements The main application of the radiancemeter CE 313 is the calibration of spectral band passes identical to SPOT satellite s Radiance and irradiance The radiance of a source or target is denoted L and is the radiant flux per unit solid angle per unit area normal to the source Irradiance is the total hemispherical radiant flux per unit area and for a radiance distribution L at a specific wavelength irradiating a flat target surface the resulting irradiance Eis 277 f 1 050105 ado 2 00 with the coordinates zenith azimuth of the radiance Cimel Electronique Radiancemeter User s manual 3 Q is the solid angle str If the radiance has a constant distribution E expresses as E L cos dQ Lx 2 Reflectance The directional reflectance factor p writes as aL PTE Reflectance measurement in the field To measure the reflectance the standard procedure consists of measuring the radiance L with o
12. ne calibrated instrument and the irradiance E with another one Then the reflectance expresses as aL PTE However there is a convenient way of measuring reflectance that can be carried out with a single instrument plus a panel of known reflectance If the target L and panel L radiance are measured by the same radiance meter under the same geometrical and environmental conditions the target reflectance p can be calculated from the ratio of the two measurements aL PTE Pr E e es Pt Pr Lp In this equation only the panel reflectance properties must be known These measurements can also be made with two instruments the first one measuring the panel radiance and the second one measuring the target radiance Example Description of a reflectance experiment Here is a description of a reflectance experiment Set up an illumination source a lamp when indoors or the sun when outside to illuminate the calibration surface Use a special surface called spectralon that has the property of reflecting light equally in all directions or a white paper bonded on a plane support The light from the illuminating source is then reflected by the calibration surface and the reflectance is measured by the field radianceometer You obtain a digital count value for this calibration reflectance Next a source a rock water or whatever is placed where the calibration surface was The same light source illuminates the target and this
13. r of measurements including identification number tt t temperature value RTN returns without saving the data ID modifies the identification number ID xxx The identification number is useful to identify OK different field trip campaign Store saves the data 23 59 59 Storing data MAN SVK7 W Saves on a cartridge the data in memory If the cartridge is on the data are saved after each measurement Otherwise at the end of a measurement a cartridge can be inserted and the recording of the data can be made with SVK7 If the cartridge is being loaded you will see 23 59 59 this additional screen that blinks don t touch cart Return to the MAN menu 31 12 98 RTN SVK7 LUM Only available in the previous instrument version Cimel Electronique Radiancemeter User s manual DATA READING VIEW R 31 12 98 23 59 RTN BAT CART MEM VIEW BAT W Consultation of different parameters Instantaneous value of the internal battery s 23 59 59 520 voltage The voltage should always be greater than 5 10 V Press R to go to the next parameter Press Y to go to the previous parameter Instantaneous value of the photometer s detectors 23 59 59 T 20 temperature 7277 Humidity value Meaningless on radiancemeter 23 59 59 HH 0 CE 313 Instantaneous value of the LUM measurement 23 59 59 SK xxx Should indicate 0 when no filter is in the front A strike on G permits a return to the 31 12 98 23
14. temperature in Celsius i Ref 0 for automatic measurement 1 when not used 2 for manual measurement No 256 Ref number of the measurement However each file contains different data STA displays the date time and type of status recorded It shows as follows 49 yy hh mm ss_ status Status is a letter indicating the recorded status reset h humidity b mechanics LUM display the series of data made with the Lum gains It shows as follows No Cimel Electronique Radiancemeter User s manual 17 Windows Version Use AstpWin software You can download it from www cimel fr Install Cimel Update from the site You ll have free updates Win lum5f_53a K7 COM2 Active communication port F Date 06 02 2003 Time 10 56 05 7 22 data 4359 LUM 06 02 03 10 58 42 30 06 02 2003 10 58 42 1919 457 276 28 4811 0 22 1 0 2 3 2 Lum data 1046 _ 06 02 03 10 56 05 30 06 02 2003 10 56 05 4359 1046 645 69 10911 0 22 0 0 2 2 06 02 03 10 55 34 30 06 02 2003 10 55 34 4432 1060 659 70 10782 0 21 9 0 2 1 To create ASCII files compatible Excel select File Convert ASCII Then select the K7 file to convert and the name of the ASCII file For more information use the Stowing help This will create a text file with the extension um Example of ASCII file LumSa lum 06 02 2003 10 55 34 4432 1060 658 70 10782 0 21 9 0 2 1 06 02 2003 10 56 05 4359 1046 645 68 10811 0 22 0
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