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SMART

Spectro

Spectrophotometer

OPERATOR’S

MANUAL

L Mott

v2.2

• Printed-04.08

2000-MN

Содержание SMART Spectro

Страница 1: ...SMARTSpectro Spectrophotometer OPERATOR S MANUAL L Mott v2 2 Printed 04 08 2000 MN...

Страница 2: ......

Страница 3: ...sis Spectroscopy 12 Reagent Blank 13 Spectrophotometer Tubes 13 Selecting an Appropriate Wavelength 13 14 Calibration Curves 14 15 Preparing Dilute Standard Solutions 16 Standard Additions 16 Sample D...

Страница 4: ...t 41 42 MEASURING IN THE T ABS MODE 43 44 PC LINK Output 45 Computer Connection 45 EDIT CLOCK 45 ENERGY MODE 45 STORE METHOD 45 TEST MODE 46 BATTERY OPERATION Charging the Batteries 46 Running the SMA...

Страница 5: ...et or corrosive environment Care should be taken to prevent water or reagent chemicals from wet spectrophotometer tubes from entering the SMART Spectro chamber NEVER PUT WET TUBES IN SPECTROPHOTOMETER...

Страница 6: ...transit with a shipping carrier LaMotte Company will service and repair out of warranty products at a nominal charge nSPECIFICATIONS n INSTRUMENT TYPE Colorimeter Readout Graphical 4 line 16 character...

Страница 7: ...racy can be expressed as a range about the true value in which a measurement occurs i e 0 5 ppm It can also be expressed as the recovery of a know amount of analyte in a determination of the analyte i...

Страница 8: ...cibility is the between run precision 7 7 Jeffery G H Basset J Mendham J Denney R C Vogel s Textbook of Quantitative Chemical Analysis 5th ed Longman Scientific Technical 1989 p 130 nCONTENTS AND ACCE...

Страница 9: ...nce for electromagnetic compatibility and safety SMART SPECTRO SPECTROPHOTOMETER 05 04 9 Application of Council Directives Standards to which Conformity Declared Manufacturer s Name Manufacturer s Add...

Страница 10: ...re usually well mixed The sample should be taken downstream from any tributary industrial or sewage pollution source For comparison purposes samples may be taken upstream and at the source of the poll...

Страница 11: ...ions are required because of chemical changes which occur between the inlet and outlet water One must have a basic understanding of the type of chemical changes which occur for the type of equipment u...

Страница 12: ...on for this is that the one color absorbed by the sample is only a small portion of the total amount of light passing through the sample However if we could select only that one color or band of wavel...

Страница 13: ...the exterior of the tubes can cause excessive light scattering and result in errors Handle the tubes carefully making sure the bottom half of the tube is not handled LaMotte Company makes every effort...

Страница 14: ...corresponding concentration from the curve The linear range of the reagent system can be determined and this information can be used to input a User Test into the SMART Spectro see EDIT USER TESTS pa...

Страница 15: ...e or curve of best fit through the plotted points The best fit may not connect the points There should be approximately an equal number of points above the curve as below the curve Some reagent system...

Страница 16: ...art appears below A B C A x B I 00 D E F C x D E Maximum concentration of test of Maximum concentration Final concentration of Diluted Standard Volume of Standard Concentration of Original Standard mL...

Страница 17: ...mple has been diluted by one half and the dilution factor is therefore 2 Perform the test procedure then multiply the resulting concentration by 2 to obtain the test result The following table gives q...

Страница 18: ...test Measure the pH of a reacted water sample using the pH meter If the pH is significantly different from the ideal value the pH of the sample should be adjusted before testing Chlorine interference...

Страница 19: ...elengths by a 1200 lines mm ruled grating The microprocessor controls the positioning of the grating automatically positioning the grating to the correct wavelength for the test that has been selected...

Страница 20: ...LAMOTTE SMART SPECTRO PRESS ENTER Scrolling arrows for scrolling between choices Turning off the spectro For making selections Display For exiting menus Scrolling arrows for scrolling between choices...

Страница 21: ...N MENU 00 00 CALIBRATE WL PROGRAMMED TESTS T ABS 4 Press ENTER Q to select PROGRAMMED TESTS PROGRAMMED TESTS menu will appear PROGRAMMED TESTS SEQUENCE 1 SEQUENCE 2 SEQUENCE 3 5 Press t until the Q is...

Страница 22: ...5 Chlorine SCAN BLANK SCAN SAMPLE END 515 NM 10 Insert reacted sample Press ENTER Q to scan sample 15 Chlorine 16 5 T 0 7834 A 1 28 PPM PRINT PRESS ENTER After obtaining test results scroll with t or...

Страница 23: ...will move to the beginning of a list viewed in the display It will auto scroll when held down Q ENTER This button is used to select the menu choice adjacent to the in a menu viewed in the display EXIT...

Страница 24: ...me an arrow button is pressed This list or menu is viewed through a window the menu choice window in the display The menu choice window is the lower 2 or 3 lines of the display Pushing the arrow butto...

Страница 25: ...will increase battery life in the field Alternatively calibrate wavelength in the field immediately before testing Turn Spectro on immediately before scanning blank Calibrate wavelength just before sc...

Страница 26: ...o 2 nm When the wavelength calibration is complete the display will go back to the Main Menu PROGRAMMED TESTS nINTRODUCTION The PROGRAMMED TESTS mode is used to run all LaMotte pre programmed tests an...

Страница 27: ...in the sequence These alterable sequences allow a series of tests to be setup that are run frequently The order of the individual tests in the sequence is determined by the user After running a test p...

Страница 28: ...linity TT 3 Ammonia N L F 125 User Test 25 END OF LIST The SMART Spectrophotometer is ready to scan the correct wavelength has been selected Place the blank in the sample chamber and press the ENTER Q...

Страница 29: ...Q button to scan the sample again The last blank scanned is used to zero the spectrophotometer for repeat scans A different blank can be used by pressing the s button to scroll back to SCAN BLANK and...

Страница 30: ...asy access The order of the sequence can be arranged to suit the needs of the user Any combination and any order of tests from ALL TESTS including User Tests may be placed into these sequences nEDIT A...

Страница 31: ...Press ENTER Q button to select EDIT SEQUENCE 3 EDIT EDIT SEQUENCE 1 EDIT SEQUENCE 2 EDIT SEQUENCE 3 Press ENTER Q button to select END OF LIST EDIT SEQUENCE 3 END OF LIST Press ENTER Q button to inse...

Страница 32: ...ty TT 3 Ammonia N L F END OF LIST SEQUENCE 3 has now been modified and will remain until it is edited again To run a test in SEQUENCE 3 go to the PROGRAMMED TESTS menu Press the EXIT button to exit th...

Страница 33: ...to scroll to DELETE EDIT SEQUENCES INSERT BEFORE DELETE 1 Aluminum Press ENTER Q button to delete 1 Aluminum and return to EDIT SEQUENCE 3 in menu EDIT SEQUENCES INSERT BEFORE DELETE 1 Aluminum 1 Alum...

Страница 34: ...that will be stored to determine the concentration of future samples of unknown concentration These standards should cover all the concentrations for the range of the test being performed and be scann...

Страница 35: ...lows a test to be renamed a wavelength to be selected reacted standards to be scanned and the numerical format of the displayed test result to be selected After editing any one of these menu choices t...

Страница 36: ...example the new test name will be H2O The characters of the name will be selected one at a time from left to right NAME THE TEST KEEP CHANGE END OF LIST NOTE Select KEEP to go back to 101 User Test 1...

Страница 37: ...NEW CALIBRATION FORM AT RESULT Use s and t to scroll to the appropriate WAVELENGTH SELECT WAVELENGTH 600 NM SET PRESS ENTER Press ENTER Q to select the wavelength Display goes back to 101 H2O screen...

Страница 38: ...points Select ENTER STD 1 by pressing ENTER Q button while the is adjacent to ENTER STD 1 in the display NEW CALIBRATION ENTER STD 1 ENTER STD 2 ENTER STD 3 ENTER STD 8 CALCULATE Place a blank in the...

Страница 39: ...W CALIBRATION menu The will be next to ENTER STD 2 Press ENTER Q button to input the next standard into the calibration NEW CALIBRATION ENTER STD 1 ENTER STD 2 ENTER 3 Press ENTER Q to SCAN BLANK ente...

Страница 40: ...alibration 1 DEGREE calculates the best straight line fit but without forcing the line through the origin The minimum number of standards needed for a calibration is one for 1 DEGREE THRU 0 and two fo...

Страница 41: ...ices of 0 1 2 or 3 decimal places will be given for the display Scroll to FORMAT RESULTS and press ENTER Q button to select FORMAT RESULTS while in the 101 H2O menu 101 H2O SELECT WAVELENGTH NEW CALIB...

Страница 42: ...Test 101 was USER TEST 1 and now is H2O It is still a USER TEST because its calibration can be changed but it has a different name EDIT EDIT SEQUENCE 1 EDIT SEQUENCE 2 EDIT SEQUENCE 3 PROGRAMMED TESTS...

Страница 43: ...tons to display the appropriate wavelength Push ENTER Q button to select that wavelength Here 530 is selected as an example The SMART Spectro is ready to scan SELECT WL WL 530 Insert blank into sample...

Страница 44: ...ter press ENTER Q and return to previous menu Press EXIT to escape to previous menu T ABS 530NM T 90 7 T A 0 0424A PRINT PRESS ENTER If no more samples are to be scanned press EXIT to return to the MA...

Страница 45: ...2 interface connection 8 pin mini DIN 9 pin F D submin Code 1772 EDIT CLOCK Select EDIT CLOCK from the Main Menu The user can enter the year month day hour minute second This information is used to ti...

Страница 46: ...ART Spectro can be run using battery power The battery pack consists of a rechargeable Ni metal hydride battery pack The battery pack is not included in the standard meter package and must be purchase...

Страница 47: ...placed about every 3 years If the date or clock function stops running please contact LaMotte Technical Services Department by phone at 800 344 3100 fax 410 778 6394 or e mail lamotte com for assistan...

Страница 48: ...help n ERROR 2 TROUBLE WITH SWITCH There is a problem with the grating positioning This could be due to a dead stepping motor bad connection to stepping motor or a bad micro switch Contact LaMotte Te...

Страница 49: ...ave no problems with stray light Make sure that the sample compartment lid is always fully closed n ACCIDENTAL LOSS OF POWER If for any reason the meter experiences a loss of power during wavelength c...

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