background image

1

Turner

®

 Spectrophotometer

LT1102X6

B

ARNSTEAD

|T

HERMOLYNE

 C

ORPORATION

SP-870

OPERATION MANUAL

Model #

Voltage

SM110235

115V

SM110230-33

230V
with European cord set

6/97

Summary of Contents for Turner SP-870

Page 1: ...1 Turner Spectrophotometer LT1102X6 BARNSTEAD THERMOLYNE CORPORATION SP 870 OPERATION MANUAL Model Voltage SM110235 115V SM110230 33 230V with European cord set 6 97 ...

Page 2: ...2 ...

Page 3: ...neral Cleaning 12 Operation 13 Pre operation Check Procedures 13 Startup 14 Concentration Mode 17 Factor Mode 18 Memory Setup 20 Auxiliary Function for Memory Setup 21 Selection of Memory Mode 22 Printout of Memory 23 Users Functions 23 Stand by mode 23 I D Number Setting Mode 24 Wavelength Check Mode 25 Maintenance 27 Replacing the Lamp 27 Realigning the Lamp 27 RS 232 and Printer 29 External Out...

Page 4: ... printer interfaces 20 x 2 LCD display 30 user programmed text modes The unit is designed to do a number of jobs within your laboratory Please read the instructions carefully to ensure that you receive maximum benefit from it Also be sure to fill out and return the enclosed warranty registration card We would like to receive the information requested and it will help us assure you of proper warran...

Page 5: ... region 410 7nm 433 8nm 485 7nm and 657 9nm We can verify the existence of hydrogen in an un known sample by comparing the wavelengths actually absorbed by the unknown sample to hydrogen s known absorption spectrum Therefore a device namely your spectrophotom eter is required to measure absorption spec trums in order to identify an unknown substance A spectrophotometer measures the amount of light...

Page 6: ...ed by measuring the absorbance of a series of known standards at different concentrations The absor bance vs concentration is then plotted for each standard represented by x in Fig 2 A linear relationship between the absorbance and con centration should then be observed straight line in Fig 2 and a linear standard curve is thus prepared It is then possible to determine the concentration of an unkn...

Page 7: ...ono chromator and passes into the monochromator where the collimating mirror directs the beam to the grating The grating disperses the light beam to produce the spectrum a portion of which is focused onto the exit slit of the monochromator by the collimating mirror From here the beam is passed through a stray light filter which helps eliminate unwanted second order radiation The beam then enters t...

Page 8: ...19 999 Photometric Accuracy 1 at 1A Photometric Linearity 1 Stability Drifting 0 003A hr after half hour warm up at 0A Signal Processing Digital Microprocessor Stray Light 0 1 T typical at 340nm 0 5 T 330 999nm Cuvettes A Round cuvettes 10 13mm in diameter B Square cuvettes 12 5 x 12 5 x 45mm 1 cm path length optional 34F01 04 C Vacuum empty cuvette optional AYX9 Power 115 230V 50 60Hz switchable ...

Page 9: ...indicator Indicates power ON OFF and STANDBY mode the indicator lights in green when the power is on for operation and will turn red when the instrument in under STANDBY status 3 SAMPLE Compartment For round cuvettes or square cuvettes 4 Keyboard For data entry See Keyboard information next page for details INTRODUCTION ...

Page 10: ...nclosed appendix 4 λ λ λ λ λ nm Sets desired wavelength 5 A Selects Absorbance mode 6 T Selects Transmittance mode 7 C Selects Concentration mode 8 F Selects Factor mode 9 SHIFT Any Arrow Key Searches memory mode in memory setting or reading 10 SHIFT C Enters memory reading 11 SHIFT F Enters memory setting 12 ESC Clear input or quit operation mode 13 0 9 Numerical value 14 Decimal point 15 ENTER E...

Page 11: ...t 8 115V 230V Voltage Switch Environmental Conditions Operating 17 C 27 C 20 80 relative humidity non condensing Installation Category II over voltage in accordance with IEC 664 Pollution Degree 2 in accordance with IEC 664 Altitude limit 2 000 meters Storage 25 C 65 C 10 85 relative humidity INTRODUCTION ...

Page 12: ...d to be repacked or returned for service Standard Equipment QTY DESCRIPTION PART 1 SP870 Spectrophotometer 115V SM110235 230V SM110230 33 1 Power cord 115V CRX72 230V CRX70 6 Round borosilicate cuvettes 34F01 15 1 Fuse 115V 1 0 Amp 5120 0016 1 Fuse 230 0 5 Amp FZX35 1 Operator s manual LT1102X6 General cleaning instructions Wipe exterior surfaces with a dampened cloth containing a mild soap soluti...

Page 13: ... a grounded wall socket 5 Turn the power ON by switching the rocker switch at the rear of the spectrophotometer 6 Allow the spectrophotometer to warm up for at least 20 minutes to stabilize the electronic components 7 Set the wavelength dial to 340nm Press the 100 T 0A button The display should show 100 0 while in the TRANS transmittance mode and 0 000 for the ABS absorbance mode Indicator lights ...

Page 14: ...his process will take approximately 2 minutes The display will run through 2 After the calibration is done the system will directly enter the first memory mode which is pre set at 440nm and F1 The display should show The instrument is now ready for use Refer to details in related sections OPERATION MODEL 870 VERSION 1 6 AB MODEL 870 SYSTEM TEST PASS 0 MODEL 870 CALIBRATION 440 T WAITING BLANK ...

Page 15: ...0 nm and for Factor at 1 when the instrument is delivered The display should show Percent Transmittance and Absorbance mode 1 Fill a cuvette with the solvent that will be used to zero the spectrophotometer This is the blank or background solvent that your sample is dissolved in 2 Place the cuvette in the cuvette holder in the sample compartment Close the sample compartment lid 3 Press λ nm button ...

Page 16: ...the sample compartment door The cuvette should be oriented in the same position as the cuvette used to zero the instrument with the blank solution The display will show the Transmit tance or Absorbance immediately Record the value and remove the cuvette 8 Repeat step 7 for further samples to be tested at the same wavelength For a different wave length steps 1 through 7 should be repeated 9 After t...

Page 17: ...R button If a mistake is made in the key in process press the ESC button to clear the display for a new entry 4 Select Transmittance or Absorbance mode by pressing the T or A button 5 Zero the instrument using the blank solution by pressing the 100 T OA button The display should show XXX TCALB or XXX ACALB then should read XXX 100 0T or XXX 0 000A Transmittance mode Absorbance mode 6 Carefully ope...

Page 18: ...on Factor mode 1 Fill a cuvette with the solvent that will be used to zero the spectrophotometer This is the blank or background solvent that your sample is dissolved in 2 Place the cuvette in the cuvette holder in the sample compartment Close the sample com partment lid 3 Press λ nm button enter the numerical value 330 999 of the wavelength and press the ENTER button If a mistake is made in the k...

Page 19: ...uvette 7 Place the cuvette with solution to be mea sured in sample compartment and close the sample compartment lid 8 Select Factor mode by Pressing F The display should show 9 Key in factor value 1 19999 and press the ENTER button Refer to Memory Reading 10 System will automatically shift to Concentra tion mode and the display will show the Concentration of the Solution This calcu lated concentra...

Page 20: ...gn indicates 2 Key in the desired data respectively for wave length and factor value each key in should be followed by pressing the ENTER button 01 440NM F XXXXXX 02 NONE Note To exit Memory Setup mode press ESC value and remove the cuvette The multiplied Concentration value range should be 0 19999 If this is exceeded re define the factor value 11 Repeat steps 7 10 for further samples to be tested...

Page 21: ... installed wavelength 440 nm and factor 1 to current memory mode 3 Delete Press 3 button to delete the current memory mode OPERATION Note 1 Re setup on the defined memory mode can be done in the same way as setup but previous data will then be replaced with the new input 2 Setup of undefined memory mode should be done in serial order i e 1 2 3 4 5 Skip over or random setup will not be accepted by ...

Page 22: ... to proceed to last mode 2 Press SHIFT buttons to proceed to next mode 3 Press SHIFT buttons to proceed to last page 4 Press SHIFT buttons to proceed to next page 5 Key in the memory mode number e g 5 and press the ENTER button The desired memory mode will be available on display For example Key in 5 Press ENTER 01 XXX NM F XXXXXX 02 XXX NM F XXXXXX 01 XXX NM F XXXXXX READ MEMORY 5_ 05 XXX NM F XX...

Page 23: ...emories The display should show as below when the printout is in process After the printout is done the system will return to memory setup mode User s Function SP 870 provides three 3 user s function modes which are Mode 0 Stand by Mode 1 I D number setting Mode 2 Check Wavelength Stand by mode This mode is used to turn off the light source and still keep the electronic parts ON status when the op...

Page 24: ...s used to assign an I D number on the printout of test results This mode can only be entered after blanking is done 1 After blanking is done press FUNC button and the display should show USER S FUNCTION 2 CHECK WAVELENGTH USER S FUNCTION 1 I D NUMBER SETTING USER S FUNCTION 0 STANDBY MODE STANDBY MODE ANY KEY TO QUIT USER S FUNCTION 1 I D NUMBER SETTING Note After entering the User s Func tion mod...

Page 25: ...tout setup for I D number will be automatically set to YES See external output setup 3 Key in the desired starting I D number if it is not 01 and press ENTER button to continue the test Wavelength check mode This mode is used to check the wavelength at 000 0nm 1 When in text mode press FUNC button and the display should show or USER S FUNCTION 2 CHECK WAVELENGTH USER S FUNCTION 1 I D NUMBER SETTIN...

Page 26: ...en press ESC button to quit and the system will return to test mode 5 If the wavelength is checked not in specifica tion the display should show 6 Press SHIFT and ESC buttons simultaneously to re align the wavelength at 000 0 nm The display should show as below when the re alignment is in process Then the system will return to test mode WAVELENGTH CHECK 000 0 NM CHECKING OPERATION WAVELENGTH CHECK...

Page 27: ...d to Realigning the Lamp Realigning the Lamp It is necessary to realign the light bulb after each transportation or replacement 1 Turn on the power and the display should show then press FUNC button and the display should show 2 Wait approximately one minute and the display should show Caution Unplug your spectrophotom eter before replacing the lamp ADJUST LAMP LOCATION CALIBRATION MODEL 870 SYSTE...

Page 28: ... The value range should be 2000 5000 4 Press ENTER button to recheck If the value is out of range repeat step 3 6 Press ESC button to leave the function and enter system calibration the display should show The instrument will then continue through the initialization calibration routine MAINTENANCE MODEL 870 VERSION 1 6 AB ...

Page 29: ...w 3 Press 1 and ENTER to enter setup of RS 232C If RS 232C output is not required press 2 and ENTER to quit RS 232C setup and proceed directly to step 7 for setup of printer 4 The display will show 1 0110 5 2400 2 0300 6 3600 3 0600 7 4800 4 1200 8 9600 The baud rate is pre set at 2400 Select from the above list and press the number that stands for the required baud rate and press ENTER The select...

Page 30: ...ds for the required parity and press the ENTER button The selected parity will show on the display 7 The display will then show The printer interface is pre set at ON Press ENTER to enter the setup If printer output is not required press 2 and ENTER buttons to quit 8 The display will show 1 40 Column 2 80 Column RS 232C SETUP DATA BIT LENGTH 7_ RS 232C SETUP PARITY EVEN INTERFACE SETUP PRINTER 1 O...

Page 31: ...line feed and press ENTER The selected line feed will show on the display 10 The display will show 1 YES 2 NO Printout with I D number is pre set to be required Press ENTER button if so Press 2 and ENTER buttons if not required 11 The display will show 1 YES 2 NO Printout with wavelength is pre set to be required Press ENTER button if so Press 2 and ENTER buttons if not required After all the abov...

Page 32: ...utput Settings Items Factory Setting RS 232C OFF Baud Rate 2400 Data Bit Length 7 Parity EVEN Printer ON Printer Type 80 Column Auto Line Feed 1 I D Number YES I D Number 01 Wavelength YES Wavelength 440 nm Factor 1 ...

Page 33: ...e ERROR6 Instrument malfunction Call for service Filter Motor Error Filter Motor is not function ing Wavel Motor Error Wavelength Motor is not functioning Note 1 Be sure to check the Blank solution or sample solution and WAVELENGTH first when ever an error message shows on the display 2 After checking or correction press 100 T OA button to blank again Note 1 Turn the power off and turn the power o...

Page 34: ...ead Thermolyne dealer or Barnstead Thermolyne Heating elements however because of their susceptibility to overheating and contamination must be returned to our factory and if upon inspection it is concluded that failure is not due to excessive high temperature or contamination warranty replacement will be provided by Barnstead Thermolyne The name of the authorized Barnstead Thermolyne dealer neare...

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Page 36: ...Barnstead Thermolyne 2555 Kerper Blvd P O Box 797 Dubuque IA 52004 0797 USA PHONE 319 556 2241 800 553 0039 FAX 319 556 0695 Web Address http www barnsteadthermolyne com a subsidiary of 9001 ISO REGISTERED ...

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