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Contents

 

Safety ......................................................................................................................... 3

 

Contents ..................................................................................................................... 6

 

SECTION 1 - Introduction .......................................................................................... 8

 

1.1

 

INSTRUMENT DESCRIPTION............................................................................................. 8

 

1.2

 

INSTRUMENT SPECIFICATION.......................................................................................... 8

 

SECTION 2 

– Installation ........................................................................................... 9

 

2.1

 

UNPACKING......................................................................................................................... 9

 

2.2

 

INSTALLATION .................................................................................................................... 9

 

2.3

 

DISPLAY ............................................................................................................................. 10

 

2.4

 

CONTROLS ........................................................................................................................ 11

 

2.5

 

REAR PANEL ..................................................................................................................... 12

 

2.6

 

FRONT PANEL ................................................................................................................... 12

 

SECTION 3 

– Theory and Practice of Spectroscopy Measurements ....................... 13

 

3.1 

 

THEORY OF SPECTROSCOPY MEASUREMENT .......................................................... 13

 

3.2

 

SPECTROSCOPY MEASUREMENT ................................................................................. 14

 

3.3

 

GOOD PRACTICE GUIDELINES ....................................................................................... 15

 

SECTION 4 

– Instrument Setup ............................................................................... 17

 

4.1

 

NAVIGATING AND SCREEN SETUP ................................................................................ 17

 

4.2

 

TIME AND DATE ................................................................................................................ 18

 

4.3

 

INSTRUMENT SETTINGS MENU...................................................................................... 18

 

4.4

 

SCREEN CONTRAST ........................................................................................................ 19

 

4.5 

 

LAMP SAVE........................................................................................................................ 19

 

SECTION 5 

– PHOTOMETRICS ............................................................................. 21

 

5.1

 

MODE SPECIFIC PARAMETERS ..................................................................................... 21

 

5.2

 

METHOD SET UP .............................................................................................................. 21

 

5.2.1

 

Selecting a Wavelength ...................................................................................................... 21

 

5.3

 

CALIBRATION .................................................................................................................... 22

 

5.4

 

SAMPLE MEASURMENT ................................................................................................... 22

 

SECTION 6 

– CONCENTRATION ........................................................................... 23

 

6.1

 

MODE SPECIFIC PARAMETERS ..................................................................................... 23

 

6.2

 

METHOD SETUP ............................................................................................................... 23

 

6.2.1

 

Selecting a Wavelength ...................................................................................................... 23

 

6.2.2

 

Settings ............................................................................................................................... 24

 

6.2.2.1

 

Selecting Concentration Units ............................................................................................ 25

 

6.2.2.2

 

Changing the Resolution .................................................................................................... 25

 

6.2.2.3

 

Using a Standard ................................................................................................................ 25

 

6.2.2.4

 

Using a Factor .................................................................................................................... 26

 

6.3

 

CALIBRATION .................................................................................................................... 26

 

6.3.1

 

Calibrating to a Standard .................................................................................................... 26

 

6.3.2

 

Calibrating to a Factor ........................................................................................................ 27

 

6.4

 

SAMPLE MEASUREMENT ................................................................................................ 27

 

6.4.1

 

Measuring a Sample After Calibrating to a Standard ......................................................... 27

 

Содержание 7300

Страница 1: ...Operating Manual 730 005 REV D 08 14 Model 7300 and 7305 Spectrophotometer...

Страница 2: ...2...

Страница 3: ...to the appropriate servicing authority Merci de lire attentivement ces informations avant d installer ou d utiliser cet appareil 1 L appareil d crit dans ce manuel est con u pour tre utilis uniquemen...

Страница 4: ...irgendeiner Weise besch digt wurden muss das Ger t au er Betrieb genommen und gegen weiteren Gebrauch gesichert werden Die St rung sollte der zust ndigen Serviceeinrichtung unverz glich gemeldet werd...

Страница 5: ...adas que se especifican en este manual 3 Cualquier elemento que no se encuentre entre los definidos en los procedimientos de mantenimiento aqu descritos no podr utilizarse en este instrumento La extra...

Страница 6: ...2 TIME AND DATE 18 4 3 INSTRUMENT SETTINGS MENU 18 4 4 SCREEN CONTRAST 19 4 5 LAMP SAVE 19 SECTION 5 PHOTOMETRICS 21 5 1 MODE SPECIFIC PARAMETERS 21 5 2 METHOD SET UP 21 5 2 1 Selecting a Wavelength...

Страница 7: ...ter 34 8 2 2 Passive Accessories 35 8 2 2 1 Water heated cuvette holder 35 8 2 3 Active Accessories 38 8 2 3 1 Automatic 8 cell turret 39 8 2 3 2 Peltier 40 8 2 3 3 Sipper pump 41 8 2 3 4 Combined sip...

Страница 8: ...to 1000nm Resolution 1nm Accuracy 2nm Repeatability 0 5nm Spectral bandwidth 5nm Photometrics Transmittance 0 to 199 9 Absorbance 0 300 to 2 500A Accuracy 1 T 0 01Abs at 1 000 Absorbance Resolution 0...

Страница 9: ...Jenway Foreign Manual CD JENMANCD 7 Optional accessories as ordered 2 2 INSTALLATION Models 7300 and 7305 are supplied ready to use The unit should be placed on a clean flat surface which is free fro...

Страница 10: ...ters 2 Dark test 3 Checks for the accessory fitted If an active accessory is found the instrument verifies communication and response 4 Self calibration of wavelengths 2 3 DISPLAY These spectrophotome...

Страница 11: ...sing results The soft keys are active when an icon is displayed above or adjacent to the key The only exception to this is the back key which is always active The main menu screen and surrounding keyp...

Страница 12: ...wer switch On off switch for the unit 3 Power in socket Connection socket for power supply unit 4 RS232 serial port Connection to a PC or external serial printer 5 Output sockets Analogue output 2 6 F...

Страница 13: ...the light is travelling through The Beer Lambert law states that A is the absorbance is the molar absorption coefficient l mol 1 cm 1 c is the concentration mol l 1 l is the path length cm This law sh...

Страница 14: ...logen 7300 or pre aligned xenon 7305 lamp is focused onto the grating with 1200 lines per millimeter which separates the light into discreet wavelengths The diffracted spectrum of light then passes th...

Страница 15: ...uvettes must be used b Plastic disposable cuvettes should only be used ONCE c Glass cuvettes should be thoroughly cleaned after use Discard when scratches become evident on optical surfaces d Care sho...

Страница 16: ...e chemicals and reagents must be used Good quality deionised water or other suitable solvents must be used for dissolving or diluting samples chemicals and reagents 8 All measurements require calibrat...

Страница 17: ...ent settings menu The measurement modes are photometrics and concentration The instrument settings menu enables access to the screen contrast and lamp save menus Operating Menu Photometrics measuremen...

Страница 18: ...y adjacent to the calendar icon Select the digit to be changed using the keys at the bottom of the screen Use the keys adjacent to the arrow icons to increase or decrease the number The date format ca...

Страница 19: ...set after which the lamp will be turned off following a period of no lamp activity i e no readings have been performed This function is accessed through the instrument settings menu by pressing the k...

Страница 20: ...measurement press the key below the lamp save icon The lamp and fan will be turned back on and the lamp will begin to warm up The lamp cold icon is displayed adjacent to the calibrate to zero icon in...

Страница 21: ...ion 7 Fig 5 1 Operating Menu 5 2 METHOD SET UP This measurement mode is very simple and the only parameters which can be adjusted are the wavelength and the display format The toggle icon enables the...

Страница 22: ...be calibrated again at the new wavelength 5 4 SAMPLE MEASURMENT It is not possible to measure a sample before the instrument has been calibrated at the selected wavelength Once the calibration has be...

Страница 23: ...changed The utility toolbar on the left hand side of the screen enables access to printing print setup options and autologging options For more details on the different functions of the utility toolba...

Страница 24: ...tion standard or factor to be set and is accessed from the operating menu by pressing the key adjacent to the settings icon Once all of the required settings have been entered press the key adjacent t...

Страница 25: ...s of the key below the resolution icon in the settings menu 6 2 2 3 Using a Standard The standard menu enables the value of a standard to be entered This function is accessed by pressing the key adjac...

Страница 26: ...e settings menu adjacent to the factor icon If the factor is not known a standard should be measured in order to calculate the factor If a standard is used the factor value should be set to 1 000 6 3...

Страница 27: ...le chamber and close the instrument lid Press the key below the calibrate to zero absorbance icon The instrument will calibrate to zero absorbance Once the calibration is complete the sample can be me...

Страница 28: ...ation standard values are restricted 6 5 1 Changing Concentration Units Users can adjust the displayed concentration unit after a measurement If the measurements concentration unit is updated the inst...

Страница 29: ...rd and concentration factor values are updated The updated concentration value and unit are shown in the main display 6 5 2 Changing the Concentration Factor Users cannot adjust the concentration fact...

Страница 30: ...for 2 seconds in the operating menu To select the language for the printouts press the key adjacent to English icon Repeat pressing of the key cycles the language between English Fran ais Deutsche Es...

Страница 31: ...ly selected the result will be sent to the internal printer or the external printer If the printer icon is pressed when there is not a result on the screen the no result to printer or no result to RS2...

Страница 32: ...counting down until it reaches zero and then the next measurement will be taken This will reduce the repetition number by one When the number of repetitions reaches zero autologging is complete Autolo...

Страница 33: ...the CD drive If the PC software does not auto run open My Computer and double click on the Jenway 73 series software icon Follow the instructions to install the PC software to the required location Re...

Страница 34: ...ESSORIES There are two types of accessories which can be fitted in the sample chamber passive or active accessories The range of passive accessories includes 10 x 10mm single cuvette holders single wa...

Страница 35: ...h Once the instrument power on tests are complete press the feed button to check that the paper is fed correctly 8 2 2 Passive Accessories Unscrew the thumb screw to undo the passive accessory Lift ou...

Страница 36: ...removed before installation Unscrew screws 1 to 4 and lift out the metal base plate For this accessory as well as removing the passive accessory base plate the front panel of the instrument must also...

Страница 37: ...flat in the unit Replace the screws 1 to 4 securing the accessory in place Fit the custom front panel to the unit ensuring the metal pipes on the accessory are aligned and fed through the two holes in...

Страница 38: ...metal tubes 9 to an external water bath and pump Ensure the water is pumped in through the left and out through the right hand side of the cell block All tubing must be kept as short as possible and t...

Страница 39: ...e the base plate in the sample chamber Replace screws 1 to 4 Take the 8 cell carousel and place on top of the motor taking care to align the three ball bearings with the grooves on the motor shaft Gen...

Страница 40: ...lifted out in the forwards direction Take the Peltier base plate Connect the power supply in the bottom of the sample chamber to the connector on the underside of the base plate Place the base plate...

Страница 41: ...e sample chamber to the connector on the underside of the base plate Place the base plate in the sample chamber Replace screws 1 to 4 Take the sipper Peltier front panel and slot into place before ret...

Страница 42: ...d of the capillary tube Connect this to the inlet port of the flow through cuvette 8 Route the tube into the two retaining clips located on the base plate at the side of the pump head 9 Fit the sipper...

Страница 43: ...end of the capillary tube into the sipper pump tubing as shown 8 Feed the other end through the inlet port located on the inside of the bulkhead 9 Fit the sipper probe and secure using the thumbscrew...

Страница 44: ...Press the key below the 8 cell turret icon to highlight the icon and the two arrow icons above Press the keys adjacent to the arrow icons to increase or decrease the current cell position of the turre...

Страница 45: ...ating menu The Peltier will begin to heat or cool depending on the current temperature 8 3 3 Sipper pump When the sipper is in use the sipper pump icon is displayed in the bottom right hand corner of...

Страница 46: ...u To perform a measurement place the sipper tubing into the sample and press the key below the sipper pump icon Confirmation will be needed to start the sipper pump Press the key adjacent to the tick...

Страница 47: ...con The sipper pump will start and the sample will be pumped through the tubing to the flow through cuvette It is possible to skip this setup stage by pressing the key adjacent to the double greater t...

Страница 48: ...orded time will be adjusted accordingly Once the fine tuning is complete or if none is required press the key adjacent to the tick icon to move to the next stage of the calibration sequence Once the s...

Страница 49: ...nce Confirmation will be needed to start the sipper pump Press the key adjacent to the cross icon to cancel and return to the operating menu Press the key adjacent to the tick icon to confirm and star...

Страница 50: ...key below the sipper Peltier icon for 2 seconds The settings menu is the same as the sipper pump settings except for the Peltier icon in the top left hand corner Pressing the key adjacent to the Pelti...

Страница 51: ...is cool before handling Access to the tungsten halogen lamp can be gained via the lamp access panel located on the rear of the instrument refer to section 2 5 1 Remove the screws holding the lamp acc...

Страница 52: ...ipment to be sent back to our Service Department for repair In this case please contact the Service Department for a reference number which you should include with your faulty equipment Please also en...

Страница 53: ...t button during the power on tests performed when the instrument is turned on 2 The parameters have been corrupted so the instrument has reset itself Solution Press the key adjacent to the tick icon t...

Страница 54: ...ne on Turret This error indicates that the vane position zero on the turret cannot be found The most likely causes for this error are 1 The turret carousel has been removed and not replaced Solution C...

Страница 55: ...is working The measure sample icon disappears after changing the wavelength A calibration must be performed at the new wavelength When the calibration is complete the measure sample icon will be disp...

Страница 56: ...56 SECTION 11 Declaration of Conformity...

Страница 57: ...57...

Страница 58: ...inter or a computer Common No results to send to RS232 Common English English icon Language selection Common Arrow icon Results page down move left decrease Common Arrow icon Results page up move righ...

Страница 59: ...printer Autolog Computer icon Auto log to PC external printer through RS232 serial port Autolog Sample icon Number of sample measurement repetitions Autolog Timer icon Time interval between each samp...

Страница 60: ...icon the automatic 8 cell turret is in use Accessories Error finding cell position 0 on turret Accessories No turret Method created on a unit with a turret accessory fitted Accessories C Degrees Cels...

Страница 61: ...Accessories Reduce sample uptake reduce air gap Accessories Increase sample uptake increase air gap Accessories No sipper Method created on a unit with a sipper accessory fitted Accessories Sipper Pel...

Страница 62: ...748 Fax 33 1 64 45 13 00 Fax 44 0 1785 810405 e mail info bibby scientific com e mail bsf bibby scientific fr e mail bibby bibby scientificasia com www bibby scientific com www bibby scientific com ww...

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