Jasco V-530 User manual

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P/N:0302-0256B November 2000
Model V-530/550/560/570
UV/VIS Spectrophotometer
Hardware/Function Manual
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i
Safety Considerations
To ensure operation safety, this instrument must be operated correctly and
maintained regularly according to schedule. Carefully read to fully understand all
safety precautions in this manual before operating the instrument. This manual
denotes precautions against actions that can result in hazardous situations or
equipment damage by using the signal words WARNING, CAUTION, and Note.
(1) Safety symbols
Instruction manual symbol. If the product is marked with this symbol,
refer to the instrument manuals to protect the instrument against
damage.
WARNING! A WARNING indicates a potentially hazardous situation which, if
not avoided, could result in death or serious injury
CAUTION A CAUTION indicates a potentially hazardous situation which, if
not avoided, may result in minor or moderate injury. It may also be
used to alert against unsafe practices.
Do not proceed beyond a WARNING or CAUTION notice until you
understand the hazardous conditions and have taken the
appropriate steps.
Note A Note provides additional information to aid the operator in
obtaining optimal instrument performance.
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ii
(2) Warning Label
Warning labels are attached at several locations on this instrument. Do
not remove, deface or damage the warning labels. If a warning label
peels off the instrument or becomes illegible, contact your local JASCO
distributor for a replacement label. Be sure to indicate the part number on
the label.
1) Warning for FUSE Fig.1 or Fig. 2
Part No.0822-xxxxA
2) Warning for GROUND Fig.1or Fig.2
Part No.0822-xxxxA
Warning for FUSE Warning for GROUND
Fig. 1 Warning Labels on the V-530 Rear Panel
!WARNING
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE
ONLY WITH FUSE OF THE SPECIFIED
TYPE AND CURRENT RATINGS.
Only use fuses of the designated rating to
protect both operator and instrument from fire
and other hazards. When replacing a fuse,
refer to the hardware manual (4.4.1
Replacing the fuse). The warning labels that
pertain to fuse ratings are located on the rear
panel of the instrument.
!WARNING
MAINS PLUG GROUND PIN
OR GROUND TERMINAL
MUST BE CONNECTED
TO GROUND.
Be sure to ground the mains plug ground pin.
Otherwise, ground the ground terminal on
the rear panel of the instrument.
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iii
Warning for FUSEWarning for GROUND
Fig. 2 Warning Labels on the V-550/560/570 Rear Panel
(2) Warning for carrying
These instruments weigh as follows:
V-530: 16.0 kg V-550: 30.5 kg
V-560: 32.0 kg V-570: 33.0 kg
When carrying the instrument, hold the carrying handle at the bottom of
the instrument firmly (See Fig 3).
Carrying handle
Fig 3 Example: V-550/560/570 side view
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iv
Regulatory Statements
CE Notice
Marking with the symbol indicates compliance of this JASCO system to the
EMC (Electromagnetic Compatibility) and Low Voltage Directives of the
European Community. This symbol indicates that this JASCO system meets the
relevant basic safety and health requirements of the EC Directive based on the
following technical standards:
•EN55011 ---- “Limits and Methods of Measurement of Radio Interference
Characteristics of Information Technology Equipment.” ---- Group 1, Class A.
WARNING: This is a Class A product. In a domestic environment this product
may cause radio interference, in which case the user may be
required to take adequate measures.
•EN50082-1 ---- “Electromagnetic compatibility ---- Generic immunity standard
Part 1: Residential, commercial, and light industry.”
•IEC61000-4-2 ---- “Electromagnetic compatibility for industrial-process
measurement and control equipment Part 2: Electrostatic discharge
requirements.” ---- Severity level 3.
•IEC61000-4-3 ---- “Electromagnetic compatibility for industrial-process
measurement and control equipment Part 3: Radiated electromagnetic field
requirements.” Severity level 2.
•IEC61000-4-4 ---- “Electromagnetic compatibility for industrial-process
measurement and control equipment Part 4: Electrical fast transient/burst
requirements.” ---- Severity level 2.
•IEC1010-1: 1990 + Amd.1:1992 + Amd.2: 1995 ---- Safety requirements for
electrical equipment for measurements, control and laboratory use.
•A “Declaration of Conformity” in accordance with the above standards has
been made and is on file at JASCO EUROPE srl, Via Confalonieri 25, 22060
CREMELLA (Lc), Italy.
FCC Statement (for USA only)
Federal Communications Commission Radio Frequency Interference Statement
WARNING:This equipment generates, uses, and can radiate radio frequency
energy. If it is not installed and used in accordance with the
instruction manual, it may cause interference to radio
communications. It has been tested and found to comply with the
limits for a Class A computing device pursuant to Part 15 of FCC
Rules, which are designed to provide reasonable protection against
such interference when operated in a commercial environment.
Operation of this equipment in a residential area is likely to cause
interference, in which case the user at his own expense will be
required to take whatever measures may be required to correct the
interference.
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v
Preface
This instruction manual serves as a guide for using this instrument. It is intended
to instruct first-time operators on how to properly use the instrument, and to
serve as a reference for experienced operators.
Before using the instrument, please read this instruction manual carefully, and make
sure you fully understand its contents. This manual should be easily accessible to the
operator at all times during instrument operation. When not using the instrument,
keep this manual stored in a safe place. Should this instruction manual be lost, order
a replacement from your local JASCO distributor.
This manual is made up of the following parts.
(1) Hardware manual
Describes the principles of operation, specifications, maintenance, and how to
troubleshoot the instrument.
(2) Operation manual
Describes the configuration of the measurement program, functions, and
operating procedures.
(3) Analysis manual
Describes the configuration of the Spectra Analysis and File Find program.
(DS type)
Note: The operating procedure varies with the type of instrument. Operation is
described by type. Read the portion relevant to your instrument.
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vi
Installation Conditions
To ensure operation safety, observe the following conditions:
(1) Do not operate the instrument under voltage fluctuations exceeding 10%
of the recommended line voltage. Otherwise, the instrument may not
function properly.
(2) Use a three-prong electrical outlet with a ground.
(3) Operate the instrument in a temperature range of 10°∼35°C.
(4) Operate the instrument in a humidity range of 35% ∼85%(RH). If ambient
humidity exceeds 85%(RH), condensation may deteriorate optical
components.
(5) Operate the instrument in an atmospheric pressure range of 750 ∼
1060hPa.
(6) Avoid strong magnetic fields and sources of high frequency. The
instrument may not function properly when near a strong magnetic field or
high frequency source.
(7) Avoid vibration from vacuum pumps, electric motors, processing
equipment and machine tools.
(8) Avoid dust and corrosive gas. Do not install the instrument where exposed
to dust, especially in locations exposed to outside air or ventilation outlets
that discharge dust particles.
(9) Do not install the instrument where exposed to direct sunlight.
(10) Ensure that no air conditioner blows air directly on the instrument. This
may inhibit stable measurement.
Note: The above conditions do not ensure optimal performance of this
instrument.
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vii
Servicing
To service your instrument, contact your local JASCO distributor. Also contact
your JASCO distributor before moving the instrument to another location.
Consumable parts should be ordered according to part numbers from your local
JASCO distributor. If a part number is unknown, give your JASCO distributor the
model name and serial number of your instrument.
Do not return contaminated products and parts that may constitute health
hazards to JASCO employees.
Notices
(1) JASCO SHALL NOT BE HELD LIABLE, EITHER DIRECTLY OR
INDIRECTLY, FOR ANY CONSEQUENTIAL DAMAGE INCURRED AS A
RESULT OF PRODUCT USE.
(2) PROHIBITIONS ON THE USE OF JASCO SOFTWARE
•COPYING SOFTWARE FOR PURPOSES OTHER THAN BACKUP
•TRANSFER OR LICENSING OF THE RIGHT TO USE SOFTWARE
TO A THIRD PARTY
•DISCLOSURE OF CONFIDENTIAL INFORMATION REGARDING
SOFTWARE
•MODIFICATION OF SOFTWARE
•USE OF SOFTWARE ON MULTIPLE WORKSTATIONS, NETWORK
TERMINALS, OR BY OTHER METHODS (NOT APPLICABLE
UNDER A NETWORK LICENSING AGREEMENT CONCLUDED
WITH JASCO)
(3) THE CONTENTS OF THIS MANUAL ARE SUBJECT TO CHANGE
WITHOUT NOTICE FOR PRODUCT IMPROVEMENTS.
(4) THIS MANUAL IS CONSIDERED COMPLETE AND ACCURATE AT
PUBLICATION.
(5) THIS MANUAL DOES NOT GUARANTEE THE VALIDITY OF ANY
PATENT RIGHTS OR OTHER RIGHTS.
(6) IN GENERAL, COMPANY NAMES AND PRODUCT NAMES ARE
TRADEMARKS OR REGISTERED TRADMARKS OF THE RESPECTIVE
COMPANIES.
(7) JASCO AND THE JASCO LOGO ARE REGISTERED TRADEMARKS OF
JASCO CORPORATION.
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viii
Limited Warranty
Products sold by JASCO, unless otherwise specified, are warranted for a period
of one year from the date of shipment to be free of defects in materials and
workmanship. If any defects in the product are found during this warranty period,
JASCO will repair or replace the defective part(s) or product free of charge.
THIS WARRANTY DOES NOT APPLY TO DEFECTS RESULTING FROM THE
FOLLOWING:
1) IMPROPER OR INADEQUATE INSTALLATION
2) IMPROPER OR INADEQUATE OPERATION, MAINTENANCE,
ADJUSTMENT OR CALIBRATION
3) UNAUTHORIZED MODIFICATION OR MISUSE
4) USE OF CONSUMABLE PARTS NOT SUPPLIED BY AN AUTHORIZED
JASCO DISTRIBUTOR
5) CORROSION DUE TO THE USE OF IMPROPER SOLVENTS, SAMPLES,
OR DUE TO SURROUNDING GASES
6) ACCIDENTS BEYOND JASCO ’S CONTROL, INCLUDING NATURAL
DISASTERS
This warranty does not cover the consumable parts listed below:
1) Deuterium lamp, tungsten lamp, xenon lamp and other light sources
2) Mirrors in the light source section, and cell windows
3) Fuses, batteries, glassware, chart paper and ink
The LC system only contains:
4) Plunger seals, needle seals, cell window gaskets, valve seals, disk seals
and other seal materials
5) Tubing and fittings (e.g., ferrules, compression screws), and filters (e.g.,
inlet filters, line filters, other solvent filters)
6) Pre-columns and guard columns
THE WARRANTY FOR ALL PARTS SUPPLIED AND REPAIRS PROVIDED
UNDER THIS WARRANTY EXPIRES ON THE WARRANTY EXPIRATION
DATE OF THE ORIGINAL PRODUCT. FOR INQUIRIES CONCERNING
REPAIR SERVICE, CONTACT YOUR JASCO DISTRIBUTOR AFTER
CONFIRMING THE MODEL NAME AND SERIAL NUMBER OF YOUR
INSTRUMENT.
JASCO Corporation
2967-5, Ishikawa-cho, Hachioji-shi
Tokyo 192-8537, JAPAN
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ix
Contents
SAFETY CONSIDERATIONS........................................................................................................I
REGULATORY STATEMENTS.................................................................................................. IV
PREFACE.....................................................................................................................................V
INSTALLATION CONDITIONS .................................................................................................. VI
SERVICING...............................................................................................................................VII
LIMITED WARRANTY..............................................................................................................VIII
1 SPECIFICATIONS..................................................................................................................... 1
1.1 V-530 UV/VIS SPECTROPHOTOMETER SPECIFICATIONS ........................................................ 1
1.2 V-550 UV/VIS SPECTROPHOTOMETER SPECIFICATIONS ........................................................ 2
1.3 V-560 UV/VIS SPECTROPHOTOMETER SPECIFICATIONS ........................................................ 3
1.4 V-570 UV/VIS/NIR SPECTROPHOTOMETER SPECIFICATIONS................................................. 5
2 GENERAL DESCRIPTION OF INSTRUMENT.......................................................................... 7
2.1 V-530 SPECTROPHOTOMETER OPTICAL SYSTEM ................................................................... 7
2.1.1
Optical System ........................................................................................................... 7
2.1.2 Electrical System ....................................................................................................... 7
2.2 V-550/560/570 SPECTROPHOTOMETERS OPTICAL SYSTEM ................................................... 9
2.2.1
Optical System ........................................................................................................... 9
2.2.2 Electrical System ..................................................................................................... 11
3 NOMENCLATURE AND FUNCTIONS OF COMPONENTS.................................................... 12
3.1 V-530 SPECTROPHOTOMETER:OVERVIEW .......................................................................... 12
3.1.1
Overview .................................................................................................................. 12
3.1.2 Rear Panel ............................................................................................................... 13
3.2 V-550/560/570 SPECTROPHOTOMETERS:OVERVIEW .......................................................... 14
3.2.1
Overview .................................................................................................................. 14
3.2.2 Rear Panel ............................................................................................................... 15
3.3 STANDARD SAMPLE CHAMBER............................................................................................. 16
3.4 INTELLIGENT REMOTE MODULE ........................................................................................... 17
4 MAINTENANCE ...................................................................................................................... 18
4.1 CAUTIONS FOR ROUTINE OPERATION................................................................................... 18
4.2 CLEANING THE SAMPLE CHAMBER....................................................................................... 18
4.3 PERFORMANCE CHECK:DATA STATION TYPE....................................................................... 19
4.3.1
Baseline (Abs 0 line) Flatness ................................................................................. 19
4.3.2 Wavelength Repeatability ........................................................................................ 21
4.3.3 Wavelength Accuracy .............................................................................................. 23
4.4 PERFORMANCE CHECK:INTELLIGENT REMOTE MODULE TYPE .............................................. 25
4.4.1
Baseline (Abs 0 line) Flatness ................................................................................. 25
4.4.2 Wavelength Repeatability ........................................................................................ 26
4.4.3 Wavelength Accuracy .............................................................................................. 27
4.5 REPLACEMENT OF CONSUMABLES ......................................................................................... 28
4.5.1 Replacement of Fuse
.................................................................................................. 28
4.5.2 Lamp Replacement and Adjusting the Light Source Mirror ..................................... 29
5 TROUBLESHOOTING............................................................................................................. 34
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1
1 Specifications
The specifications of each model covered in this manual are given below. Refer
to the Operations manual for software specifications.
1.1 V-530 UV/VIS Spectrophotometer Specifications
Optical system Single monochromator
UV/VIS region: 1200 lines/mm concave grating
Rowland off-circle arrangement
Double beam type
Resolution 2 nm
Light source Deuterium lamp: 190 to 350 nm
Halogen lamp: 330 to 1100 nm
Light source changeover
wavelength Any wavelength between 330 and 350 nm can be selected.
Wavelength range 190 to 1100 nm
Wavelength repeatability ±0.1 nm
Wavelength accuracy ±0.3 nm
Spectral bandwidth 2 nm fixed
Wavelength display In increments of 0.1 nm
Photometric mode Abs, %T. %R
Photometric range -2.000 to 3.000 Abs (0 to 200 %T)
Photometric display ±10000 %T
-2 to 5 Abs
Four digits and (-)symbol
Photometric repeatability ±0.001 Abs (0 to 0.5 Abs)
±0.002 Abs (0.5 to 1 Abs)
Photometric accuracy ±0.002 Abs(0 to 0.5 Abs)
±0.004 Abs(0.5 to 1 Abs)
±0.3 %T
Note: Tested with NIST SRM 930D
Response Quick, Fast, Medium, Slow
Number of integrations 2, 8, 32, 128 times (1 datum/30msec)
Stray light 0.04 % (220 nm: NaI 10g/L aqueous solution;
340 nm: NaNO250g/L aqueous solution)
Wavelength scanning 40, 100, 200, 400, 1000, 2000, 4000 nm/min
Wavelength moving speed 8000 nm/min
Data pitch 0.1, 0.2, 0.5, 1, 2, 5, 10 nm/data
(spectrum measurement)
0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 sec /data
(time course measurement)
Baseline stability ±0.001 Abs/hour
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2
(value obtained more than one hour after
turning ON the power when temperature
variation is within 5°C, wavelength: 250 nm,
and response: Slow.)
Baseline flatness ±0.001 Abs
(value obtained after baseline correction when
temperature variation is within 5°C,
wavelength: 200 to 1100 nm, response:
Medium, and wavelength scanning: 100
nm/min.)
Detector Silicon photodiode (S1337)
Power requirements 100, 115, 200, 220, 230, 240 V ±10 %, 130 W
Dimensions and weight 484(W)×435(D)×205(H) mm (excluding
protrusions)
16 kg
Note: Photometric repeatability, photometric accuracy and baseline flatness
are the values obtained more than one hour after the “Power” switch is
turned ON.
1.2 V-550 UV/VIS Spectrophotometer Specifications
Optical system Single monochromator
UV/VIS region: 1200 lines/mm plane grating
Czerny-Turner mount
Double beam type
Resolution 0.1 nm
Light source Deuterium lamp: 190 to 350 nm
Halogen lamp: 330 to 900 nm
Light source changeover
wavelength Any wavelength between 330 and 350 nm can be selected.
Wavelength range 190 to 900 nm
Wavelength repeatability ±0.1 nm (at a spectral bandwidth of 0.5 nm)
Wavelength accuracy ±0.3 nm (at a spectral bandwidth of 0.5 nm)
Spectral bandwidth 0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray-light mode)
Wavelength display In increments of 0.1 nm
Photometric mode Abs, %T. %R, Sample, Reference
Photometric range -2 to 3 Abs
Photometric display 0.0 to 200.0 %T
-2 to 5 Abs
Four digits and (-) symbol
Displays up to 000.0 %T and 0.000 Abs
Photometric repeatability ±0.001 Abs (0 to 0.5 Abs)
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3
±0.002 Abs (0.5 to 1 Abs)
Photometric accuracy ±0.002 Abs (0 to 0.5 Abs)
±0.004 Abs (0.5 to 1 Abs)
±0.3 %T
Note: Tested with NIST SRM 930D
Response Quick, Fast, Medium, Slow
Stray light 0.015 % (220 nm: NaI 10g/L aqueous solution;
340 nm: NaNO250g/L aqueous solution)
Wavelength scanning 10, 20, 40, 100, 200, 400, 1000, 2000, 4000
nm/min
Wavelength moving speed 8000 nm/min
Data pitch 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 5,10 nm/data
(spectrum measurement)
0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 sec/data
(time course measurement)
Baseline stability ±0.0004 Abs/hour
(value obtained more than one hour after
turning ON the power when temperature
variation is within 5°C, wavelength: 250 nm,
response: Slow, and spectral bandwidth: 2nm.)
Baseline flatness ±0.001 Abs
(value obtained after baseline correction when
temperature variation is within 5°C,
wavelength: 200 to 850 nm, response:
Medium, spectral bandwidth: 2 nm, and
wavelength scanning: 100 nm/min)
Detector Photomultiplier tube
Power requirements 100, 115, 200, 220, 230, 240 V ±10 %, 130 W
Dimensions and weight 460(W)×595(D)×260(H)mm (excluding
protrusions)
30.5 kg
Note: Photometric repeatability, photometric accuracy and baseline flatness
are the values obtained more than one hour after the “Power” switch is
turned ON.
1.3 V-560 UV/VIS Spectrophotometer Specifications
Optical system Double monochromator
UV/VIS region: 600 lines/mm plane grating
Czerny-Turner mount
Double beam type
Resolution 0.1 nm
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4
Light source Deuterium lamp: 190 to 350 nm
Halogen lamp: 330 to 900 nm
Light source changeover
wavelength Any wavelength between 330 and 350 nm can be selected.
Wavelength range 190 to 900 nm
Wavelength repeatability ±0.1 nm (at a spectral bandwidth of 0.5 nm)
Wavelength accuracy ±0.3 nm (at a spectral bandwidth of 0.5 nm)
Spectral bandwidth 0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray-light mode)
Wavelength display In increments of 0.1 nm
Photometric mode Abs, %T. %R, Sample, Reference
Photometric range -2 to 5 Abs
Photometric display 0.0 to 200.0 %T
-2 to 5 Abs
Four digits and (-) symbol
Displays up to 000.0 %T and 0.000 Abs
Photometric repeatability ±0.001 Abs (0 to 0.5 Abs)
±0.002 Abs (0.5 to 1 Abs)
Photometric accuracy ±0.002 Abs (0 to 0.5 Abs)
±0.004 Abs (0.5 to 1 Abs)
±0.3 %T
Note: Tested with NIST SRM 930D
Response Quick, Fast, Medium, Slow
Stray light 0.0003 % (220 nm: NaI 10g/L aqueous
solution; 340 nm: NaNO250g/L aqueous
solution)
Wavelength scanning speed 10, 20, 40, 100, 200, 400, 1000, 2000, 4000
nm/min
Wavelength moving speed 8000 nm/min
Data pitch 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 5,10 nm/data
(spectrum measurement)
0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 sec/data
(time course measurement)
Baseline stability ±0.0004 Abs/hour
(value obtained more than one hour after
turning ON the power when temperature
variation is within 5°C, wavelength: 250 nm,
response: Slow, and spectral bandwidth: 2nm)
Baseline flatness ±0.001 Abs
(value obtained after baseline correction when
temperature variation is within 5°C,
wavelength: 200 to 850 nm, response:
Medium, spectral bandwidth: 2 nm, and
wavelength scanning speed: 100 nm/min)
Detector Photomultiplier tube
Power requirements 100, 115, 200, 220, 230, 240 V ±10 %, 130 W
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5
Dimensions and weight 460(W)×595(D)×260(H)mm (excluding
protrusions)
32 kg
Note: Photometric repeatability, photometric accuracy and baseline flatness
are the values obtained more than one hour after the “Power” switch is
turned ON.
1.4 V-570 UV/VIS/NIR Spectrophotometer Specifications
Optical system Single monochromator
UV/VIS region: 1200 lines/mm plane grating
NIR region: 300 lines/mm plane grating
Czerny-Turner mount
Double beam type
Resolution 0.1 nm (UV/VIS region)
0.5 nm (NIR region)
Light source Deuterium lamp: 190 to 350 nm
Halogen lamp: 330 to 2500 nm
Light source changeover
wavelength Any wavelength between 330 and 350 nm can be selected.
Detector changeover
wavelength Any wavelength between 750 and 900 nm can be selected.
Wavelength range 190 to 2500 nm
Wavelength repeatability
UV/VIS region:
±0.1 nm (at a spectral bandwidth of 0.5 nm)
NIR region:
±0.4 nm (at a spectral bandwidth of 2.0 nm)
Wavelength accuracy
UV/VIS region:
±0.3 nm (at a spectral bandwidth of 0.5 nm)
NIR region:
±1.5 nm (at a spectral bandwidth of 2.0 nm)
Spectral bandwidth 0.1, 0.2, 0.5, 1, 2, 5, 10 nm (UV/VIS region)
L2, L5, L10 nm (low stray-light mode)
0.4, 0.8, 1, 2, 4, 8, 20, 40 nm (NIR region)
Wavelength display In increments of 0.1 nm
Photometric mode Abs, %T. %R, Sample, Reference
Photometric range -2 to 3 Abs (UV/VIS region)
-0.3 to 3 Abs (NIR region)
Photometric display 0.0 to 200.0 %T
-2 to 5 Abs
Four digits and (-) symbol
Displays up to 000.0 %T and 0.000 Abs
Photometric repeatability ±0.001 Abs (0 to 0.5 Abs)
±0.002 Abs (0.5 to 1 Abs)
Photometric accuracy ±0.002 Abs (0 to 0.5 Abs)
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6
±0.004 Abs (0.5 to 1 Abs)
±0.3 %T
Note: Tested with NIST SRM 930D
Response Quick, Fast, Medium, Slow
Stray light
UV/VIS region: 0.015% (220 nm: NaI 10g/L aqueous solution;
340 nm: NaNO250g/L aqueous solution)
NIR region: 0.1% (1690 nm: CH2Br210 mm cell used)
Wavelength scanning speed 10, 20, 40, 100, 200, 400, 1000, 2000, 4000
nm/min
Wavelength moving speed 8000 nm/min(UV/VIS region)
32000 nm/min(NIR region)
Data pitch 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 nm/data
(UV/VIR spectrum measurement)
0.1, 0.2, 0.5, 1, 2 , 5, 10 nm/data
(NIR spectrum measurement)
0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 sec /data
(time course measurement)
Baseline stability ±0.0004 Abs/hour
(value obtained more than one hour after
turning ON the power when temperature
variation is within 5°C, wavelength: 250 nm,
response: Slow, and spectral bandwidth: 2nm)
Baseline flatness ±0.001 Abs
(value obtained after baseline correction when
temperature variation is within 5°C,
wavelength: 250 to 850 nm, response:
Medium, spectral bandwidth: 2 nm, and
wavelength scanning speed: 400 nm/min,
wavelength: 850 to 2500 nm, spectral
bandwidth: 8 nm,)
Detector Photomultiplier tube
Pbs photoconductive cell
Power requirements 100, 115, 200, 220, 230, 240 V ±10 %, 180 W
Dimensions and weight
Main unit
460(W)×595(D)×260(H) mm (excluding
protrusions)
33 kg
Pbs power supply unit 100(W)×170(D)×125(H) mm (excluding
protrusions)
1.9 kg
Note: Photometric repeatability, photometric accuracy and baseline flatness
are the values obtained more than one hour after the “Power” switch is
turned ON.
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7
2 General Description of Instrument
2.1 V-530 Spectrophotometer Optical System
2.1.1Optical System
The V-530 is designed to measure the absorption spectrum of a sample at
wavelengths in the range 190 to 1100 nm. The light sources used in the V-530
are a deuterium(D2) lamp (190 to 350 nm) for the UV region and a halogen (WI)
lamp (340 to 1100 nm) for the VIS/NIR region. The light from the light source is
converged and enters the monochromator. The light is dispersed by the grating
in the monochromator and converges onto the exit slit. The light that has passed
through the exit slit is monochromated. This light is split into two beams, one
going to the sample to be measured and the other to the reference sample such
as a solvent. The light that has passed through the sample and the reference
sample is alternately incident upon the silicon photodiode.
D
D
Ref
Sam
F
G
WI
M5M2
M
(BS)
3
S2S1
D2
M1
M4
WI
D2
S
F
G
BS
D
Sam
Ref
Deuterium lamp
halogen lamp
Slit
Filter
Grating
Bean splitter
Detector
Sample beam
Reference beam
Fig 2.1 V-530 Optical system
2.1.2Electrical System
The configuration of the electrical system used in the V-530 is shown in Fig 2.2.
The light incident upon the silicon photodiode is converted into an electrical
signal and, after being subjected to synchronous rectification, is converted into a
digital signal and enters the microcomputer. The signal processed by the
microcomputer is displayed on the display unit as digital data or a spectrum.
Actions such as light source changeover, wavelength drive, filter drive, etc. are
controlled by the microcomputer.
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8
D2 lamp
CPU, ROM, RAM, I/O
D/A
A/D
Mirror
Filter Monochromator
Limiter
WI lamp
Serial 1
Serial 2
Accessory input Sccessory output
Coarse
Adj. Fine
Adj.
Detector Amp.
Battery
Main unit
320×240
10×6 キー
CPU
ROM, RAM
I/O
I/O
LCD ROM Card
RAM Card
Autozero Goto WL File
Start Stop Print
iRM
Touch key
LCD
Cintroller
Battery
Centronics
Serial 1
Power supply
Fig. 2.2 V-530 Electrical system
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9
2.2 V-550/560/570 Spectrophotometers Optical System
2.2.1Optical System
Figures 2.3 through 2.5 show the optical systems of the V-550, V-560 and V–570
spectrophotometers, respectively. The V-550 and V-560 measure the absorption
spectrum of a sample at wavelengths in the range 190 to 900 nm and the V-570
measures the absorption spectrum of a sample at wavelengths in the range 190
to 2500 nm. In each model, the light sources used are a deuterium (D2) lamp
(190 to 350 nm) for use in the ultraviolet region and Halogen (WI) lamp (340 to
2500 nm) for use in the VIS/NIR region. The light from the light source is
converged and enters the monochromator. It is dispersed by the grating in the
monochromator and the light passing through the exit slit is monochromated.
This light is split into two light paths by a sector mirror, one incident on the
sample to be measured and the other on the reference sample such as a solvent.
The light that has passed through the sample and reference sample is incident
on the photomultiplier tube or Pbs photoconductive cell.
Fig 2.3 V-550 Optical system
WI, D2: Light source
M : Mirror
S : Slit
F : Filter
G : Grating
M8 : beam splitter
PM : Detector
Sam : Sample beam
Ref : Reference beam
W : window
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