Jasco J-810 Hardware/Function Manual Download Page 1

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P/N:

0302-0407A

March

1999

MODEL J-810

SPECTROPOLARIMETER

Hardware/Function Manual

JASCO Corporation

Summary of Contents for J-810

Page 1: ...P N 0302 0407A March 1999 MODEL J 810 SPECTROPOLARIMETER Hardware Function Manual JASCO Corporation...

Page 2: ...loss of sight injury burn high temperature low temperature electric shock fracture intoxication etc which can cause sequel or require hospitalization or long term treatment at hospital CAUTION Failur...

Page 3: ...lamp turn the lamp off and allow it to cool for about 30 minutes When replacing the xenon lamp be careful not to give an impact to the lamp Never twist the lamp by holding it at both ends Do not mist...

Page 4: ...NING Grounding in Fig 1 Part number 0822 0109A If the instrument is operated without being grounded properly the operator may be subjected to electric shock Correctly ground the instrument using the g...

Page 5: ...ment should be installed in a room that is maintained at a constant temperature and humidity because the spectropolarimeter is sensitive to atmosphere fluctuations Room temperature 20 5 C Humidity low...

Page 6: ...ushion from the main unit 8 2 3 2 Installing the modulation element 9 2 3 3 Installation the detector unit 10 2 3 4 Connecting the cables and tubes 11 3 Names of Functions of Components 14 3 1 Overall...

Page 7: ...or the right and left circularly polarized beams of light The difference between L and R is determined using the following formula L R R L I I LC 10 log 1 2 L R e I I LC 10 log 10 log 4500 3 In equati...

Page 8: ...of EA equation 7 can be expressed as follows G e E G E LC A S e 10 log 10 log 4500 8 where G represents the amplification factor of ES Since the value ESG can be brought very close to the value of EA...

Page 9: ...2 IR IL IA S Time Intensity Fig 1 2 Intensity of transmission light The relationship between the minimum and maximum intensities and the right and left circularly polarized light depends on whether t...

Page 10: ...after being converted to digital signal and stored in the buffer memory CPU RS 232C I F A D D A RS 232C I F PC SVGA Parallel I F PM Sensor Light Source Monochromator Sample Chamber Light Source Power...

Page 11: ...ource 500 nm 0 035 mdeg 150W light source 0 035 mdeg 450 light source spectral bandwidth 1nm response 16 sec Baseline stability 0 03 mdeg hr spectral bandwidth 1 nm response 32 sec wavelength 290 nm U...

Page 12: ...hamber 1270mm wide 570mm deep 410mm high Weight Main unit small sample chamber 87 kg Main unit large sample chamber 106 kg Power requirements 100 115 200 220 230 240 V 50 60 Hz 270 W 150 W light sourc...

Page 13: ...For setup data etc Instruction manual 1 set For hardware software etc Tube for accessories 1 set For accessories 2 2 Installation Requirements Install the instrument in a location where the following...

Page 14: ...be careful not to give an impact to the cam The cam and lever on the bottom of the instrument are separated by a cushion and secured with a rubber band to protect the cam from damage and the waveleng...

Page 15: ...in unit Electrical system cover Pull Setscrews Fig 2 3 Removing the electrical system cover 2 Open the monochromator lid Lift Monochromator lid Setscrews Fig 2 4 Opening the monochromator lid 3 Mount...

Page 16: ...se the detector window to intense light Detector unit Lock screw Sample chamber Label Fig 2 6 Installation of detector unit Install the detector unit on the main unit according to the following proced...

Page 17: ...t is turned OFF 3 Plug the cables according to Fig 2 7 CAUTION Ground the grounding terminal of the power cable CAUTION For details regarding the wiring and connections of the personal computer and pr...

Page 18: ...water drain port 4 Feed cooling water to confirm that the system is free from leakage 3 Connecting the nitrogen gas tube Connect the nitrogen gas cylinder flow meter to the nitrogen gas inlet Note Bin...

Page 19: ...13 Fig 2 9...

Page 20: ...14 3 Names of Functions of Components 3 1 Overall View 150W light source Small sample chamber 1 5 2 4 3 8 9 10 6 7 Fig 3 1 Overall view 150 kW light source Small sample chamber...

Page 21: ...15 450W light source Large sample chamber 1 5 2 4 3 11 12 8 9 10 6 7 Fig 3 2 Overall view 450kW light source Large sample chamber...

Page 22: ...other elements Sample chamber leak water outlet Outlet for the water leaking from sample chamber Monochromator unit Houses the monochromator and modulator Connecting plate Connected to the electrical...

Page 23: ...ights if the cooling water to the 450W light source is insufficient Water Leak Sample Chamber LED Lights if water leaks in the sample chamber The use of the optional constant temperature water stop va...

Page 24: ...sories Ps In connector Connect to the Ps Out connector on the rear panel of the monochromator unit X1 X100 selector switch Changes over the Ext2 terminal input voltage gain Set it at X100 to amplify t...

Page 25: ...Optical In connector on the rear panel of the amplifier unit PS Out connector Connect to the PS In connector on the rear panel of the amplifier unit Receptacle Power inlet receptacle Fuse T3 15A labe...

Page 26: ...20 3 3 Sample Chamber Small sample chamber 6 7 1 4 5 8 3 2 9 Large sample chamber 6 7 1 4 5 8 3 9 2 10 Fig 3 6 Sample chamber...

Page 27: ...ges over the beam diameter to 8 mm or 13 mm according to the cell to be used Detector protective switch Turns OFF the switch and sets the voltage applied to the detector to zero when the sample chambe...

Page 28: ...unction Lock screw Secures the detector unit to the main unit Connector Connect to the CD In connector located on the rear panel of the amplifier unit Label Indicates the wavelength range Install the...

Page 29: ...t source on and off will shorten its service life Always feed cooling water to the light source 450W light source Procedure WARNING Carefully read the Safety Cautions at the beginning of this manual 1...

Page 30: ...1 450W Light source Cathode fixing screw Fig 4 1 5 Tighten the cathode fixing screw for the 450W light source 6 Mount the anode holder for the 450W light source 7 Start up the instrument 8 Start up t...

Page 31: ...4 Mirror adjustment screw 12 Adjust the adjustment screws for the M1 mirror to minimize the value of channel 2 HT voltage when the sample chamber is empty 13 Adjust the adjustment screws for the M0 m...

Page 32: ...nds from the Setting menu and designate the monitoring parameters shown in Fig 4 5 Fig 4 5 Setting measurement parameters energy check 3 Select the Wavelength command from the Setting menu and set the...

Page 33: ...s in the sample chamber 4 Select the Start command from the Measurement menu in order to perform measurement 5 Using the spectrum analysis program verify that the peak wavelength of Channel 2 Fig 4 9...

Page 34: ...avelengths and turning the screw counterclockwise shifts the data to longer wavelengths 3 Measure the HT data of the neodymium glass sample to check the wavelength Note If the instrument is moved gent...

Page 35: ...the peak value of Channel 1 Fig 4 12 is 190 4 1 mdeg 291 0 nm If the peak value does not fall within this range adjust the instrument according to the following procedure 0 2 0 0 C D 2 5 0 3 5 0 W a...

Page 36: ...d to check if the electrical system is operating normally A test signal can be generated by setting the photometric mode at Test Signal Procedure 1 Start up the Data Monitor program 2 Select the Param...

Page 37: ...e light source in the Light source control dialog box Is the cooling water supplied to the 450W light source sufficient Increase the cooling water flow rate Is the cathode fixing screw tight 450W ligh...

Page 38: ...mechanical vibration nearby Remove the source of vibration Does line voltage vary abruptly Use stabilized line voltage The baseline curves sharply Is the curvature within 10 mdeg when the baseline is...

Page 39: ...n outside of the direct path of air currents Is the scanning speed too high Slightly lower the scanning speed Is noise too high Increase response Or refer to the Noise is high symptom Wavelength repea...

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