Hitachi U-2810 User manual

INSTRUCTION MANUALINSTRUCTION MANUAL
FORFOR
MODEL U-2810 SPECTROPHOTOMETERMODEL U-2810 SPECTROPHOTOMETER
(MAINTENANCE MANUAL)(MAINTENANCE MANUAL)
Hitachi High-Technologies CorporationHitachi High-Technologies Corporation
Copyright Copyright
C C
Hitachi Hitachi
High-Technologies High-Technologies
Corporation Corporation
2003.2003.
All rights reserved. Printed in Japan. All rights reserved. Printed in Japan.
Part No. 122-9905 TS-KPart No. 122-9905 TS-K

HT-HMS042068HT-HMS042068


- 1 -- 1 -
PREFACEPREFACE
Thank you very much for Thank you very much for
your purchase of Hitachi Modelyour purchase of Hitachi Model
U-2810 U-2810
SpectrophotomSpectrophotom
eter.eter.
The spectrophotometer is intended for use by The spectrophotometer is intended for use by
persons having apersons having a
basic basic
knowledge knowledge
of of
chemical chemical
analysis. analysis.
Remember Remember
thatthat
improper use of analytical instruments, chemicals or samplesimproper use of analytical instruments, chemicals or samples
would result not only in would result not only in
wrong analytical data but also inwrong analytical data but also in
consequencconsequenc
es adverse to es adverse to
safety.safety.
Before using the instrument, be sure to read through thisBefore using the instrument, be sure to read through this
instruction manual to enable correct use.instruction manual to enable correct use.
ABOUT THIS MANUALABOUT THIS MANUAL
This instruction manual consists of the This instruction manual consists of the
following two manuals.following two manuals.
••
Instruction Instruction
Manual Manual
for Mofor Mo
del Udel U
-2810 -2810
SpectrophotomeSpectrophotome
ter;ter;
Maintenance Manual (Part No. 122-9905)Maintenance Manual (Part No. 122-9905)
••
Instruction Instruction
Manual Manual
for Hifor Hi
tachi Stachi S
pectrophotometepectrophotomete
r Serier Serie
s;s;
UV Solutions Program Operation Manual (Part UV Solutions Program Operation Manual (Part
No. 134-9010)No. 134-9010)
The above manuals describe the operating instructions andThe above manuals describe the operating instructions and
precautions for the precautions for the
Model U-2810 SpectrophotometerModel U-2810 Spectrophotometer
..
Before using the instrument, be sure to read through thisBefore using the instrument, be sure to read through this
instruction instruction
manual. manual.
First First
of of
all, all,
read read
“SAFETY “SAFETY
SUMMARY”SUMMARY”
included at the beginning of this included at the beginning of this
manual for ensuring safety inmanual for ensuring safety in
operation of the spectrophotometer main unit.operation of the spectrophotometer main unit.
For operation, refer to tFor operation, refer to t
he UV Solutions program manual.he UV Solutions program manual.

IMPORTANT - 1IMPORTANT - 1
IMPORTANTIMPORTANT
PRECAUTIONS ON ELECTROMAGNETIC WAVE PRECAUTIONS ON ELECTROMAGNETIC WAVE
INTERFERENCEINTERFERENCE
1. 1.
Possible EPossible E
lectromagnetic lectromagnetic
Wave Wave
Interference Interference
Caused Caused
by This by This
InstrumentInstrument
When this instrument is used in a residential area or an adjacentWhen this instrument is used in a residential area or an adjacent
area thereto, it may area thereto, it may
cause interference to radio and televisioncause interference to radio and television
reception.reception.
To prevent this, use To prevent this, use
the specified system connection cables inthe specified system connection cables in
strict strict
accordance accordance
with with
the ithe i
nstruction nstruction
manual. manual.
The The
instrument instrument
isis
designed to minimize possible electromagnetic wavedesigned to minimize possible electromagnetic wave
interference caused by it if interference caused by it if
the specified cables are connectedthe specified cables are connected
properly.properly.
However, there is no guarantee that electromagnetic waveHowever, there is no guarantee that electromagnetic wave
interference interference
will will
not be not be
caused caused
by the by the
instrument. instrument.
If theIf the
instrument does cause interference to radio or instrument does cause interference to radio or
televisiontelevision
reception, which can be determined by turning off reception, which can be determined by turning off
and on theand on the
instrument, the user is encouraged to try to correct theinstrument, the user is encouraged to try to correct the
interference by one or more interference by one or more
of the following measures:of the following measures:
••
Increase sIncrease s
eparation eparation
between between
the insthe ins
trument antrument an
d radiod radio
/TV/TV
receiver.receiver.
••
Connect the Connect the
instrument to instrument to
an outlet an outlet
on a con a c
ircuit differenircuit differen
t fromt from
that to which the radio/TV receiver is connected.that to which the radio/TV receiver is connected.
2. 2.
Possible Possible
Electromagnetic Electromagnetic
Wave Wave
Interference Interference
Affecting Affecting
This This
InstrumentInstrument
If this instrument is used near an intense electromagnetic source,If this instrument is used near an intense electromagnetic source,
interference noise may be given to tinterference noise may be given to t
he instrument to incur anhe instrument to incur an
adverse effect on its adverse effect on its
performance or functionality.performance or functionality.
To prevent this, use To prevent this, use
the specified system connection cables inthe specified system connection cables in
strict strict
accordance accordance
with with
the ithe i
nstruction nstruction
manual. manual.
The The
instrument instrument
isis
designed to minimize possible electromagnetic wavedesigned to minimize possible electromagnetic wave
interference affecting it if interference affecting it if
the specified cables are connectedthe specified cables are connected
properly.properly.
However, there is no guarantee that electromagnetic waveHowever, there is no guarantee that electromagnetic wave
interference interference
will will
not occnot occ
ur in ur in
this inthis in
strument. strument.
If the If the
instrumentinstrument
does incur electromagnetic wave interference, which can does incur electromagnetic wave interference, which can
bebe
determined by turning on and off determined by turning on and off
possible sources ofpossible sources of
electromagnelectromagn
etic wave interference nearby, etic wave interference nearby,
the user the user
isis
encouraged to try to correct the interference by one or more ofencouraged to try to correct the interference by one or more of
the following measures:the following measures:

IMPORTANT - 2IMPORTANT - 2
••
Reorient Reorient
the the
instrument.instrument.
••
Increase sIncrease s
eparation eparation
between between
the instruthe instru
ment and ment and
possiblepossible
sources of electromagnetic wave interference.sources of electromagnetic wave interference.
••
Increase sIncrease s
eparation eparation
between between
the powthe pow
er cabler cabl
e of e of
thethe
instrument and possible sources of instrument and possible sources of
electromagneelectromagne
tic wavetic wave
interference.interference.
••
Connect the Connect the
instrument to instrument to
an outlet an outlet
on a con a c
ircuit differenircuit differen
t fromt from
that to that to
which possible sources of electromagnetic wavewhich possible sources of electromagnetic wave
interference are connected.interference are connected.
••
Confirm Confirm
that any that any
other deother de
vice convice con
nected wnected w
ith the ith the
instrumentinstrument
is not affected is not affected
by electromagnetic wave interference.by electromagnetic wave interference.
WARRANTY ON PRODUCTWARRANTY ON PRODUCT
The Model U-2810 Spectrophotometer is warranted to The Model U-2810 Spectrophotometer is warranted to
operateoperate
according to the specifications given in the according to the specifications given in the
instruction manual,instruction manual,
provided it is used provided it is used
in accordance with the instructions describedin accordance with the instructions described
in the manual.in the manual.
(1) (1)
Scope Scope
of of
WarrantyWarranty
The instrument will be repaired without charge if The instrument will be repaired without charge if
itit
malfunctions due to a defect malfunctions due to a defect
in workmanship during thein workmanship during the
warranty period.warranty period.
Note that a substitute part may be used for Note that a substitute part may be used for
repair, orrepair, or
replacement with an equivalent product may be madereplacement with an equivalent product may be made
instead of repair.instead of repair.
Such system components as a Such system components as a
personal computer andpersonal computer and
printer to be updated frequently for printer to be updated frequently for
improvemenimprovemen
t may nott may not
be available in original versions at the be available in original versions at the
time of replacement.time of replacement.
The instrument which was discarded or resold withoutThe instrument which was discarded or resold without
consulting Hitachi consulting Hitachi
High-TechnolHigh-Technol
ogies Corporation,ogies Corporation,
consumableconsumable
s and parts s and parts
having a limited period of having a limited period of
guaranteeguarantee
are excluded from this warranty.are excluded from this warranty.
(2) (2)
Warranty Warranty
PeriodPeriod
One year from the date of initial installationOne year from the date of initial installation
(3) (3)
Limitations Limitations
and and
Exclusions Exclusions
on on
WarrantyWarranty
Note that this warranty is void in the fNote that this warranty is void in the f
ollowing cases evenollowing cases even
during the warranty period.during the warranty period.

IMPORTANT - 3IMPORTANT - 3
(a) (a)
Failure dFailure d
ue to ue to
operation operation
at a at a
place nplace n
ot meetinot meetin
g theg the
installation requirements specified by Hitachi High-installation requirements specified by Hitachi High-
Technologies CorporationTechnologies Corporation
(b) (b)
Failure Failure
due to due to
power spower s
upply vupply v
oltage/frequenoltage/frequen
cy othercy other
than specified by than specified by
Hitachi High-TechnologHitachi High-Technolog
iesies
Corporation or due to abnormality in power supplyCorporation or due to abnormality in power supply
(c) (c)
Corrosion Corrosion
or deor de
terioration terioration
of the of the
tubing tubing
due due
toto
impurities contained in reagent, gas, air or impurities contained in reagent, gas, air or
coolingcooling
water supplied by the userwater supplied by the user
(d) (d)
Corrosion Corrosion
of the of the
electric cielectric ci
rcuits or rcuits or
deterioration deterioration
of theof the
optical elements due to optical elements due to
highly corrosive atmospherichighly corrosive atmospheric
gasgas
(e) (e)
Failure duFailure du
e to use e to use
of hardwaof hardwa
re, software re, software
or spare or spare
partsparts
other than supplied by other than supplied by
Hitachi High-TechnologiHitachi High-Technologi
eses
CorporationCorporation
(f) (f)
Failure Failure
due due
to to
improper improper
handling handling
or or
maintenance maintenance
byby
the userthe user
(g) (g)
Failure dFailure d
ue to ue to
maintenance maintenance
or repaor repa
ir by ir by
a servicea service
agent not approved or authorized by Hitachi agent not approved or authorized by Hitachi
High-High-
Technologies CorporationTechnologies Corporation
(h) (h)
Failure dFailure d
ue to ue to
relocation relocation
or transor trans
port after port after
initialinitial
installationinstallation
(i) (i)
Failure Failure
due due
to to
disassembly, disassembly,
modification modification
or or
relocationrelocation
not approved by not approved by
Hitachi High-TechnologiHitachi High-Technologi
eses
CorporationCorporation
(j) (j)
Failure Failure
due due
to to
acts acts
of of
God, God,
including including
fire, fire,
earthquake,earthquake,
storm, flood, lightning, social disturbance, riot, crime,storm, flood, lightning, social disturbance, riot, crime,
insurrection, war (declared or insurrection, war (declared or
undeclaredundeclared
), radioactive), radioactive
pollution, contamination with harmful substances, etc.pollution, contamination with harmful substances, etc.
(k) (k)
Failure Failure
due due
to to
computer computer
virus virus
infectioninfection
HITACHI MAKES NO WARRANTIES, EITHER EXPRESS ORHITACHI MAKES NO WARRANTIES, EITHER EXPRESS OR
IMPLIED, EXCEPT AS PROVIDED HEREIN, INCLUDINGIMPLIED, EXCEPT AS PROVIDED HEREIN, INCLUDING
WITHOUT LIMITATION THEREOF, WARRANTIES AS TOWITHOUT LIMITATION THEREOF, WARRANTIES AS TO
MARKETABILITYMARKETABILITY
, ,
MERCHANMERCHAN
TABILITY, FOR TABILITY, FOR
A PARTICULARA PARTICULAR
PURPOSE OR USE, OR AGAINST INFRINGEMENT OF ANYPURPOSE OR USE, OR AGAINST INFRINGEMENT OF ANY
PATENT. PATENT.
IN IN
NO NO
EVENT EVENT
SHALL SHALL
HITACHI HITACHI
BE LBE L
IABLE IABLE
FORFOR
ANY DIRECT, INANY DIRECT, IN
CIDENTAL OR CCIDENTAL OR C
ONSEQUENTIAONSEQUENTIA
L DAMAGESL DAMAGES
OF ANY NATURE, OR LOSSES OR EXPENSES RESULTINGOF ANY NATURE, OR LOSSES OR EXPENSES RESULTING
FROM ANY DEFECTIVE PRODUCT OR THE USE OF ANYFROM ANY DEFECTIVE PRODUCT OR THE USE OF ANY
PRODUCT. PRODUCT.
NO NO
ORAL ORAL
OR OR
WRITTEN WRITTEN
INFORMATIOINFORMATIO
N N
OROR
ADVICE GIVEN BADVICE GIVEN B
Y HITACHI, ITS DEALEY HITACHI, ITS DEALE
RS, DISTRIBUTORRS, DISTRIBUTOR
S,S,
AGENTS OR EMPAGENTS OR EMP
LOYEES SHALL LOYEES SHALL
CREATE A WARRCREATE A WARR
ANTY ORANTY OR
IN ANY WAY INCREASE THE SCOPE IN ANY WAY INCREASE THE SCOPE
OF THIS WARRANTY.OF THIS WARRANTY.

IMPORTANT - 4IMPORTANT - 4
Hitachi assumes no liability for damage to Hitachi assumes no liability for damage to
data ordata or
application software due to failure of application software due to failure of
this instrument.this instrument.
(4) (4)
Written Written
GuaranteeGuarantee
The written guarantee on this The written guarantee on this
instrument shall not beinstrument shall not be
reissued. reissued.
Keep Keep
it it
in in
a a
safe safe
place.place.
INSTALLATION, RELOCATION AND AFTER-SALE TECHNICAL SERVICEINSTALLATION, RELOCATION AND AFTER-SALE TECHNICAL SERVICE
Installation of this instrument shall be carried out by or underInstallation of this instrument shall be carried out by or under
supervision of qualified service personnel of supervision of qualified service personnel of
Hitachi High-Hitachi High-
TechnologieTechnologie
s Corporation or s Corporation or
its authorized service agent.its authorized service agent.
Before installation of the instrument, the Before installation of the instrument, the
user shall makeuser shall make
preparations for satisfying the preparations for satisfying the
installation requiremeninstallation requiremen
ts ints in
accordance with the instruction manual.accordance with the instruction manual.
If relocation of the If relocation of the
instrument becomes necessary after initialinstrument becomes necessary after initial
installation (delivery), please notify your installation (delivery), please notify your
local saleslocal sales
representative or nearest service office of Hitachi High-representative or nearest service office of Hitachi High-
TechnologieTechnologie
s s
Corporation.Corporation.
DISPOSAL OF THIS INSTRUMENTDISPOSAL OF THIS INSTRUMENT
When disposing of this instrument, make sure to check the latestWhen disposing of this instrument, make sure to check the latest
issues of the relevant issues of the relevant
laws and regulations or consult your locallaws and regulations or consult your local
Hitachi High-TechnologiHitachi High-Technologi
es Corporation service es Corporation service
office.office.
TECHNICAL SEMINARS AND TRAINING COURSES FOR TECHNICAL SEMINARS AND TRAINING COURSES FOR
USERSUSERS
Hitachi High-TechnologiHitachi High-Technologi
es Corporation offers es Corporation offers
technical seminarstechnical seminars
and training courses at its own facilities or at the and training courses at its own facilities or at the
user’s site anduser’s site and
facilities to ensure proper and safe facilities to ensure proper and safe
operations of the analyticaloperations of the analytical
instrument instrument
to to
its its
full full
performance. performance.
For For
further further
information,information,
contact contact
your your
sales sales
representative. representative.
(Applicants (Applicants
will will
be be
charged.)charged.)

IMPORTANT - 5IMPORTANT - 5
OTHER PRECAUTIONSOTHER PRECAUTIONS
1. 1.
Handling Handling
of of
Chemicals Chemicals
and and
SamplesSamples
(1) (1)
The The
user user
is is
responsible responsible
for for
following following
relevant relevant
legallegal
standards and regulations in handling, storage standards and regulations in handling, storage
andand
discarding of chemicals and samples used in analyticaldiscarding of chemicals and samples used in analytical
operations of this instrument.operations of this instrument.
(2) (2)
Reagents, Reagents,
standard standard
solutions solutions
and and
accuracy-control accuracy-control
samplessamples
shall be handled, stored and discarded as shall be handled, stored and discarded as
instructed by theinstructed by the
respective suppliers.respective suppliers.
2. 2.
Notice Notice
on on
Instruction Instruction
ManualsManuals
(1) (1)
Information Information
contained contained
in in
the the
instruction instruction
manuals manuals
furnishedfurnished
with the instrument is subject to change without notice forwith the instrument is subject to change without notice for
product improvement.product improvement.
(2) (2)
This This
manual manual
is is
copyrighted copyrighted
by by
Hitachi Hitachi
High-TechnoHigh-Techno
logieslogies
Corporation with all rights Corporation with all rights
reserved.reserved.
(3) (3)
No pNo p
art of art of
this mathis ma
nual nual
may may
be rebe re
produced produced
or tranor tran
smitted smitted
inin
any form or by any means without the express writtenany form or by any means without the express written
permission of permission of
Hitachi High-Technologies Corporation.Hitachi High-Technologies Corporation.
3. 3.
Trademark Trademark
AcknowledgmentsAcknowledgments
Microsoft® Windows® XP operating system, Microsoft® Microsoft® Windows® XP operating system, Microsoft®
ExcelExcel
and Microsoft® Word are registered trademarks of Microsoftand Microsoft® Word are registered trademarks of Microsoft
CorporationCorporation
, ,
USA.USA.

SAFETY - 1SAFETY - 1
SAFETY SUMMARYSAFETY SUMMARY
PRECAUTIONS ON SAFETYPRECAUTIONS ON SAFETY
Before using the Model U-2810 Spectrophotometer, be sure toBefore using the Model U-2810 Spectrophotometer, be sure to
read the following safety read the following safety
instructions carefully.instructions carefully.
General Safety GuidelinesGeneral Safety Guidelines
••
Follow all Follow all
the operatinthe operatin
g procedg proced
ures providures provid
ed in ed in
this manuathis manua
l.l.
••
Installation Installation
and maand ma
intenance intenance
of the of the
product sproduct s
hall be hall be
carriedcarried
out by service personnel qualified therefor.out by service personnel qualified therefor.
••
Be sure Be sure
to observe to observe
the warnithe warni
ngs indicngs indic
ated on ated on
the produthe produ
ct andct and
in the in the
instruction instruction
manual. manual.
Failure Failure
to do to do
so couso cou
ld reld re
sult insult in
personal injury or damage to the personal injury or damage to the
product.product.
••
The hazard The hazard
warnings which warnings which
appear on appear on
the warning the warning
labels onlabels on
the product or in the manual have one of the the product or in the manual have one of the
following alertfollowing alert
headings consisting of an alert symbol and headings consisting of an alert symbol and
signal wordsignal word
DANGER, WARNING or CAUTION.DANGER, WARNING or CAUTION.
DANGERDANGER
: :
Indicates Indicates
an an
imminently imminently
hazardoushazardous
situation which, if not situation which, if not
avoided, will resultavoided, will result
in death or in death or
serious injury.serious injury.
(This warning does not apply to this(This warning does not apply to this
product.)product.)
WARNINGWARNING
: :
Indicates Indicates
a a
potentially potentially
hazardoushazardous
situation which, if not avoided, can resultsituation which, if not avoided, can result
in death or serious in death or serious
injury.injury.
CAUTIONCAUTION
: :
Indicates Indicates
a a
hazardous hazardous
situation situation
which,which,
if not avoided, will or can result in minorif not avoided, will or can result in minor
or moderate injury, or serious damage toor moderate injury, or serious damage to
the product.the product.
: :
Precedes Precedes
every every
signal signal
word word
for hfor h
azardazard
warnings, and appears in warnings, and appears in
safety-relatedsafety-related
descriptions in the descriptions in the
manual.manual.
“NOTICE” and “NOTE” are heading words which do “NOTICE” and “NOTE” are heading words which do
not concernnot concern
personal safety directly.personal safety directly.

SAFETY - 2SAFETY - 2
SAFETY SUMMARYSAFETY SUMMARY
General Safety Guidelines (Continued)General Safety Guidelines (Continued)
NOTICENOTICE
: :
Used Used
to to
indicate indicate
an an
instruction instruction
for for
preventingpreventing
damage to the product.damage to the product.
NOTENOTE
: :
Used Used
to to
indicate indicate
an an
instruction instruction
for for
ensuringensuring
correct use of the product and accurate analysiscorrect use of the product and accurate analysis
therewith.therewith.
••
Do not Do not
modify the modify the
product, reproduct, re
place pplace p
arts that arts that
are noare no
tt
user-serviceabuser-serviceab
le, use le, use
non-specified parts, nor remove safetynon-specified parts, nor remove safety
devices, as it could be hazardous.devices, as it could be hazardous.
••
Installation Installation
at deliat deli
very, mainvery, main
tenance tenance
and reand re
location location
should should
bebe
referred to service personnel qualified by Hitachi.referred to service personnel qualified by Hitachi.
••
Do not Do not
perform any perform any
operation operation
or action or action
other than other than
describeddescribed
in thin th
e ie i
nstruction nstruction
manual. manual.
When When
in in
doubt, doubt,
please please
contactcontact
your local Hitachi sales representative or nearest Hitachiyour local Hitachi sales representative or nearest Hitachi
service office.service office.
••
When usinWhen usin
g a cheg a che
mical for mical for
analytical analytical
operation, operation,
be sure be sure
toto
provide proper ventilation in the laboratory room as provide proper ventilation in the laboratory room as
per localper local
requirements. requirements.
Inadequate Inadequate
ventilation ventilation
could could
endanger endanger
humanhuman
health.health.
••
Keep in Keep in
mind that mind that
the hazarthe hazar
d warningd warning
s in the s in the
manual omanual o
r onr on
the product cannot cover every possible case, as it isthe product cannot cover every possible case, as it is
impossible to predict and evaluate all circumstancesimpossible to predict and evaluate all circumstances
beforehand. beforehand.
Be Be
alert alert
and and
use use
your your
common common
sense.sense.

SAFETY - 3SAFETY - 3
SAFETY SUMMARYSAFETY SUMMARY
This instruction manual contains the This instruction manual contains the
following cautionaryfollowing cautionary
instructions.instructions.
WARNING WARNING
Electric Electric
shock shock
upon upon
contact contact
with with
hazardous hazardous
voltagevoltage
(500 V)(500 V)
Contact with the DContact with the D
22
lamp power supply voltage (500 V) maylamp power supply voltage (500 V) may
cause an electric shock, resulting in fatal or serious injury.cause an electric shock, resulting in fatal or serious injury.
Before replacing the DBefore replacing the D
22
lamp, make sure that the POWERlamp, make sure that the POWER
switch of the spectrophotometer main unit is turned OFF.switch of the spectrophotometer main unit is turned OFF.
(Section 5)(Section 5)
••
Electric shock upon contact with hazardous voltageElectric shock upon contact with hazardous voltage
(100 V)(100 V)
Contact with the power supply voltage (100 V) Contact with the power supply voltage (100 V)
may alsomay also
cause an electric shock, resulting in fatal or serious injury.cause an electric shock, resulting in fatal or serious injury.
Before connecting the power cord, make sure that theBefore connecting the power cord, make sure that the
POWER switch of the POWER switch of the
spectrophotomespectrophotome
ter main unit is ter main unit is
turnedturned
OFF.OFF.
(Section 1)(Section 1)
CAUTIONCAUTION
••
Burns upon contact with high Burns upon contact with high
temperaturetemperature
The DThe D
22
and WI lamps reach a and WI lamps reach a
high temperature and can burnhigh temperature and can burn
you if touched.you if touched.
Before replacing or adjusting the lamp, turn off the POWERBefore replacing or adjusting the lamp, turn off the POWER
switch and wait until the switch and wait until the
lamp cools down sufficiently.lamp cools down sufficiently.
(Section 5)(Section 5)
••
Fatigue due to long useFatigue due to long use
Operation while watching the display in the Operation while watching the display in the
same posture forsame posture for
long hours may cause fatigue to long hours may cause fatigue to
accumulate in your eyesaccumulate in your eyes
and/or and/or
body. body.
During During
long long
use, it use, it
is recois reco
mmended mmended
to take to take
aa
10 to 15-minute break every 10 to 15-minute break every
hour for health reasons.hour for health reasons.

SAFETY - 4SAFETY - 4
SAFETY SUMMARYSAFETY SUMMARY
REMARKS ON SAFETY OF SPECTROPHOTOMETERREMARKS ON SAFETY OF SPECTROPHOTOMETER
(1) Electricity(1) Electricity
(a) (a)
Make Make
sure thsure th
at the at the
power power
supply supply
to theto the
spectrophotomespectrophotome
ter is 100 V AC, ter is 100 V AC,
1 kVA or more (50 or1 kVA or more (50 or
60 H60 H
z). z).
Fluctuation Fluctuation
in voin vo
ltage ltage
or noior noi
se on se on
the pothe po
werwer
line would not only affect line would not only affect
the spectrophotometer mainthe spectrophotometer main
unit adversely but also cause an unit adversely but also cause an
accident.accident.
(b) (b)
Be Be
sure sure
to to
provide grounding provide grounding
connection along connection along
withwith
power power
connection. connection.
Make Make
sure sure
that that
thethe
spectrophotomespectrophotome
ter is ter is
grounded at a grounded at a
groundinggrounding
resistance of 100resistance of 100
ΩΩ
or less.or less.
If grounding is improper, the If grounding is improper, the
spectrophotomespectrophotome
ter ister is
easily affected by external noise and easily affected by external noise and
floating voltagefloating voltage
generated in it endangers physical safety.generated in it endangers physical safety.
(c) (c)
High-voltage High-voltage
circuits circuits
are are
used used
inside inside
thethe
spectrophotomespectrophotome
ter. ter.
Do Do
not not
open open
covers covers
duringduring
operation unless absolutely necessary.operation unless absolutely necessary.
(2) Flame(2) Flame
Avoid smoking Avoid smoking
or using a flame nor using a flame n
ear theear the
spectrophotometer.spectrophotometer.
(3) (3)
Data Data
BackupBackup
Data may become unusable due to instrument failure orData may become unusable due to instrument failure or
malfunction.malfunction.
It is recommended to transfer data on the hard disk tIt is recommended to transfer data on the hard disk t
o ao a
floppy floppy
disk disk
periodically. periodically.
The The
transfer transfer
of dof d
ata ata
is cis c
alledalled
backup.backup.
To avoid malfunction, always reserve a free To avoid malfunction, always reserve a free
space ofspace of
100 MB or so on the 100 MB or so on the
hard disk as a working area forhard disk as a working area for
application software.application software.

SAFETY - 5SAFETY - 5
SAFETY SUMMARYSAFETY SUMMARY
(4) (4)
Computer Computer
VirusVirus
If programs or data If programs or data
is suddenly destroyed, if an is suddenly destroyed, if an
unexpectedunexpected
operation takes place or if operation takes place or if
an abnormal display appears onan abnormal display appears on
the screen, your personal computer may have beenthe screen, your personal computer may have been
infiltrated infiltrated
by a by a
computer computer
virus. virus.
The coThe co
mputer mputer
virus virus
is ais a
rogue program that secretly invades a personal computerrogue program that secretly invades a personal computer
and operates it willfully while destroying memorized data.and operates it willfully while destroying memorized data.
A program for elimA program for elim
inating the viruinating the viru
s is called a vaccins is called a vaccin
ee
program.program.
Possible causes of virus infection are:Possible causes of virus infection are:
••
Downloading Downloading
a a
virus-laden virus-laden
program program
throughthrough
communicationcommunication
••
Using Using
a floa flo
ppy dppy d
isk or isk or
other other
exchangeablexchangeabl
e storae stora
gege
medium infected by a virus.medium infected by a virus.
••
Note aNote a
lso thlso th
at a at a
virus virus
is tranis tran
smitted frosmitted fro
m onm on
e pere per
sonalsonal
computer to another via communication or storagecomputer to another via communication or storage
medium. medium.
So So
avoid avoid
using using
a a
program program
or or
storage storage
mediummedium
that is suspected of containing a virus.that is suspected of containing a virus.
••
Carry ouCarry ou
t check t check
using using
a vaccina vaccin
e progre progr
am if am if
there is there is
aa
possibility possibility
of of
virus virus
infection. infection.
Note, Note,
however, however,
that that
somesome
kinds of vaccine programs cannot eradicate particularkinds of vaccine programs cannot eradicate particular
viruses. viruses.
In such In such
a caa ca
se be se be
sure sure
to makto mak
e a e a
backup backup
ofof
hard disk files beforehand.hard disk files beforehand.
••
The user The user
is requis requ
ested to ested to
prepare prepare
a vaccia vacci
ne progne prog
ram andram and
carry out virus elimination on his or her owncarry out virus elimination on his or her own
responsibility.responsibility.
(5) (5)
Power Power
FailureFailure
On occurrence of power failure or On occurrence of power failure or
momentary powermomentary power
voltage drop due to lightning, the voltage drop due to lightning, the
personal computer usedpersonal computer used
with the instrument may become faulty or with the instrument may become faulty or
the systemthe system
software, application software or data may be software, application software or data may be
damaged.damaged.
For protection against momentary power voltage drop, it isFor protection against momentary power voltage drop, it is
recommended to use an AC uninterruptible power supplyrecommended to use an AC uninterruptible power supply
unit.unit.

SAFETY - 6SAFETY - 6
SAFETY SUMMARYSAFETY SUMMARY
(6) (6)
Personal Personal
ComputerComputer
If the personal computer is powered off during access to theIf the personal computer is powered off during access to the
hard disk or floppy hard disk or floppy
disk, the personal computer maydisk, the personal computer may
become faulty or the data or software stored in it become faulty or the data or software stored in it
may bemay be
destroyed. destroyed.
To poTo po
wer ower o
ff the ff the
personal personal
computer, computer,
be sube su
re tore to
terminate the spectrophotometer control and dataterminate the spectrophotometer control and data
processing program (US Solutions program) and then takeprocessing program (US Solutions program) and then take
the shutdown procedure through the system software.the shutdown procedure through the system software.

SAFETY - 7SAFETY - 7
SAFETY SUMMARYSAFETY SUMMARY
Warning LabelsWarning Labels
The warning labels shown below are attached to The warning labels shown below are attached to
the Modelthe Model
U-2810 U-2810
SpectrophotomSpectrophotom
eter.eter.
(1) (1)
Dangerous Dangerous
Voltage Voltage
(500 (500
V)V)
(2) (2)
Dangerous Dangerous
Voltage Voltage
(100 (100
V)V)
(3) (3)
High High
TemperatureTemperature
High vHigh v
oltagoltag
e:e:
500V500V
Can cause fatal orCan cause fatal or
serious injury.serious injury.
Before removing light sourceBefore removing light source
cover, turn power switch off,cover, turn power switch off,
Never release safetyNever release safety
mechanism inadvertently.mechanism inadvertently.
High vHigh v
oltagoltag
e:e:
100V100V
Can cause fatal orCan cause fatal or
serious injury.serious injury.
Before removing light sourceBefore removing light source
cover, turn power switch off,cover, turn power switch off,
Never release safetyNever release safety
mechanism inadvertently.mechanism inadvertently.
HighHigh
tempetempe
raturratur
ee
can cause burns.can cause burns.
Light source lamp and lamp chamberLight source lamp and lamp chamber
remain hot for a remain hot for a
while even afterwhile even after
Power-off.Power-off.
Before lamp replacement, turnBefore lamp replacement, turn
power off and wait at leastpower off and wait at least
20 minutes.20 minutes.
134-1973134-1973
Light source Light source
compartmencompartmen
tt
Side of spectrophotometer main unitSide of spectrophotometer main unit
Light source compartmentLight source compartment

- i -- i -
CONTENTSCONTENTS
PREFACEPREFACE
....................................................
........................................................
..........................................................
........................................................
........................
11
ABOUT THIS MANUALABOUT THIS MANUAL
....................................................
........................................................
..........................................................
......................................
11
IMPORTANTIMPORTANT
.................................................................................................IMPORTANT-1.................................................................................................IMPORTANT-1
PRECAUTIONS ON ELECTROMAGNETICPRECAUTIONS ON ELECTROMAGNETIC
WAVE INTERFERENCEWAVE INTERFERENCE
...................................IMPORTANT-1...................................IMPORTANT-1
1. 1.
Possible ElecPossible Elec
tromagnetic Wavetromagnetic Wave
Interference CausInterference Caus
ed by This Instrument.......ed by This Instrument.......
IMPORTANT-1IMPORTANT-1
2. 2.
Possible ElecPossible Elec
tromagnetic Wavetromagnetic Wave
Interference Affecting This Instrument..........IMPORTANT-1Interference Affecting This Instrument..........IMPORTANT-1
WARRANTY ON PRODUCTWARRANTY ON PRODUCT
.............................IMPORTANT-2.............................IMPORTANT-2
INSTALLATION, RELOCATION ANDINSTALLATION, RELOCATION AND
AFTER-SALE TECHNICAL SERVICEAFTER-SALE TECHNICAL SERVICE
.............IMPORTANT-4.............IMPORTANT-4
DISPOSAL OF THIS DISPOSAL OF THIS
INSTRUMENTINSTRUMENT
.................IMPORTANT-4.................IMPORTANT-4
TECHNICAL SEMINARS AND TRAININGTECHNICAL SEMINARS AND TRAINING
COURSES FOR USERSCOURSES FOR USERS
...................................IMPORTANT-4...................................IMPORTANT-4
OTHER PRECAUTIONSOTHER PRECAUTIONS
...................................IMPORTANT-5...................................IMPORTANT-5
1. 1.
Handling Handling
of Chemiof Chemi
cals and cals and
SamplesSamples
........................
IMPORTANT-5IMPORTANT-5
2. 2.
Notice oNotice o
n Instruction n Instruction
Manuals.......................Manuals.......................
IMPORTANT-5IMPORTANT-5
3. 3.
Trademark ATrademark A
cknowledgmcknowledgm
ents ......................IMPORTANT-5ents ......................IMPORTANT-5
SAFETY SUMMARYSAFETY SUMMARY
.....................................................................................SAFETY-1.....................................................................................SAFETY-1
PRECAUTIONS ON SAFETY..................................SAFETY-1PRECAUTIONS ON SAFETY..................................SAFETY-1
General Safety Guidelines.................................SAFETY-1General Safety Guidelines.................................SAFETY-1
REMARKS ON SAFETY OFREMARKS ON SAFETY OF
SPECTROPHOTOMETER ......................................SAFETY-4SPECTROPHOTOMETER ......................................SAFETY-4
(1) Electricity.......................................................SAFETY-4(1) Electricity.......................................................SAFETY-4
(2) (2)
FlameFlame
..........................................................
............................................................
..
SAFETY-4SAFETY-4
(3) (3)
Data Data
Backup Backup
....................................................
..............................................
SAFETY-4SAFETY-4
(4) (4)
Computer Computer
VirusVirus
..............................................................
............................
SAFETY-5SAFETY-5
(5) (5)
Power Power
Failure.........Failure.........
............................................................
..................
SAFETY-5SAFETY-5
(6) (6)
Personal Personal
ComputerComputer
............................................................
..................
SAFETY-6SAFETY-6
Warning Labels..................................................SAFETY-7Warning Labels..................................................SAFETY-7

- ii -- ii -
1. 1.
INSTALLATION INSTALLATION
(reference (reference
information information
for for
user)user)
................................................. 1-1................................................. 1-1
1.1 Unpacking1.1 Unpacking
............................................................... 1-1............................................................... 1-1
1.2 1.2
Power Power
RequirementsRequirements
.............................................. 1-2.............................................. 1-2
1.2.1 1.2.1
Power Power
Supply Supply
Voltage.................................. Voltage..................................
1-21-2
1.2.2 1.2.2
FrequencyFrequency
....................................................
.......................... ..........................
1-21-2
1.2.3 1.2.3
Power Power
Capacity...................Capacity...................
......................... .........................
1-21-2
1.2.4 1.2.4
Grounding Grounding
Line Line
................................................
.................... ....................
1-21-2
1.3 1.3
Installation Installation
ConditionsConditions
........................................... 1-3........................................... 1-3
1.3.1 1.3.1
Installation Installation
AreaArea
......................................................
................ ................
1-31-3
1.3.2 1.3.2
Withstanding Withstanding
LoadLoad
..................................................
.............. ..............
1-31-3
1.3.3 1.3.3
Environmental Environmental
ConditionsConditions
......................................................
. .
1-31-3
1.4 1.4
Check Check
of of
ContentsContents
.................................................. 1-5.................................................. 1-5
1.5 Assembly1.5 Assembly
................................................................ 1-5................................................................ 1-5
1.6 1.6
Connection Connection
of of
CordsCords
.............................................. 1-6.............................................. 1-6
1.7 1.7
Confirmation Confirmation
of of
Voltage Voltage
and and
FuseFuse
........................ 1-7........................ 1-7
1.8 1.8
Connection Connection
of of
Power Power
Cord Cord
andand
Grounding WireGrounding Wire
...................................................... 1-9...................................................... 1-9
1.9 1.9
Connection Connection
of of
PrinterPrinter
............................................. 1-10............................................. 1-10
1.10 1.10
Checkup Checkup
after after
Installation Installation
and and
AssemblyAssembly
............ 1-10............ 1-10
1.11 1.11
Turning Turning
On On
PowerPower
.................................................. 1-11.................................................. 1-11
1.12 1.12
Installation Installation
of of
UV UV
Solutions Solutions
ProgramProgram
................... 1-11................... 1-11
1.13 1.13
Shutdown Shutdown
of of
InstrumentInstrument
........................................ 1-12........................................ 1-12
2. FUNCTION2. FUNCTION
............................................................................................................... 2-1............................................................................................................... 2-1
2.1 2.1
Instrument Instrument
ConfigurationConfiguration
...................................... 2-1...................................... 2-1
2.2 2.2
Name Name
and and
Function Function
of of
Each Each
PartPart
.......................... 2-2.......................... 2-2
2.3 Application2.3 Application
.............................................................. 2-4.............................................................. 2-4
2.4 2.4
Operating Operating
PrinciplePrinciple
................................................ 2-6................................................ 2-6
2.4.1 2.4.1
Optical Optical
System..........System..........
........................................................
....... .......
2-62-6
2.4.2 2.4.2
Signal Signal
Processing Processing
and and
Control Control
System........ System........
2-62-6
2.5 2.5
Proper Proper
Use Use
of of
SpectrophotometSpectrophotomet
erer
........................ 2-8........................ 2-8
2.5.1 2.5.1
Selection Selection
of of
SolventSolvent
........................................................
......... .........
2-82-8
2.5.2 2.5.2
Special Special
SamplesSamples
....................................................
................ ................
2-82-8
2.6 2.6
MeasuremeMeasureme
nt nt
FunctionFunction
.......................................... 2-9.......................................... 2-9
2.6.1 2.6.1
MeasuremenMeasuremen
t t
ModeMode
......................................................
.......... ..........
2-92-9
2.6.2 2.6.2
Quantitative Quantitative
Calculation....Calculation....
........................... ...........................
2-92-9
2.6.3 2.6.3
Wavelength Wavelength
Scan........Scan........
........................................................
..... .....
2-102-10
2.6.4 2.6.4
Time Time
Scan........Scan........
........................................................
................ ................
2-102-10
2.6.5 2.6.5
Secondary Secondary
Data Data
Processing Processing
........................ ........................
2-102-10
2.6.6 2.6.6
Baseline Baseline
Correction...................................... Correction......................................
2-112-11
2.6.7 2.6.7
Automatic Automatic
Calibration Calibration
and and
Self-diagnosiSelf-diagnosi
ss
.... ....
2-112-11
2.7 Specifications2.7 Specifications
......................................................... 2-12......................................................... 2-12

- iii -- iii -
3. 3.
INSTRUMENT INSTRUMENT
CALIBRATIONCALIBRATION
................................................................................ 3-1................................................................................ 3-1
3.1 Introduction3.1 Introduction
............................................................ 3-1............................................................ 3-1
3.2 3.2
Zero Zero
%T %T
MeasurementMeasurement
........................................... 3-2........................................... 3-2
3.3 3.3
Wavelength Wavelength
CalibrationCalibration
......................................... 3-2......................................... 3-2
3.4 3.4
System System
Baseline Baseline
MeasurementMeasurement
............................. 3-3............................. 3-3
4. 4.
MAINTENANCE MAINTENANCE
AND AND
INSPECTIONINSPECTION
....................................................................... 4-1....................................................................... 4-1
4.1 Introduction4.1 Introduction
............................................................ 4-1............................................................ 4-1
4.2 4.2
Self-diagnosis Self-diagnosis
and and
Automatic Automatic
AdjustmentAdjustment
.......... 4-1.......... 4-1
4.3 4.3
Check Check
of of
Specified Specified
PerformancePerformance
.......................... 4-1.......................... 4-1
4.3.1 4.3.1
Wavelength Wavelength
AccuracyAccuracy
................................................
.......... ..........
4-14-1
4.3.2 4.3.2
Spectrum Spectrum
Band Band
WidthWidth
................................................
.......... ..........
4-44-4
4.3.3 4.3.3
Baseline Baseline
Flatness...................................Flatness...................................
...... ......
4-44-4
4.4 4.4
Periodical Periodical
MaintenanceMaintenance
......................................... 4-7......................................... 4-7
4.4.1 4.4.1
Cleaning Cleaning
of of
Sample Sample
CompartmenCompartmen
tt
............... ...............
4-74-7
4.4.2 4.4.2
Cleaning Cleaning
of of
Sample Sample
CompartmentCompartment
Window Window
PlatePlate
......................................................
.................... 4-9.................... 4-9
4.5 4.5
Check Check
of of
Lamp Lamp
ON ON
TimeTime
........................................ 4-10........................................ 4-10
4.6 Storage4.6 Storage
.................................................................... 4-11.................................................................... 4-11
4.6.1 4.6.1
After After
Completion Completion
of of
MeasuremenMeasuremen
tt
............... ...............
4-114-11
4.6.2 4.6.2
When When
Unused Unused
for for
a a
Long Long
TimeTime
.................... ....................
4-114-11
4.7 4.7
Troubleshooting Troubleshooting
TableTable
........................................... 4-12........................................... 4-12
5. 5.
REPLACEMENT REPLACEMENT
PARTSPARTS
......................................................................................... 5-1......................................................................................... 5-1
5.1 Introduction5.1 Introduction
............................................................ 5-1............................................................ 5-1
5.2 5.2
Consumables Consumables
and and
Spare Spare
PartsParts
.............................. 5-1.............................. 5-1
5.3 5.3
Replacement Replacement
of of
Light Light
Source Source
LampLamp
..................... 5-2..................... 5-2
INDEXINDEX
......................................................................................................................INDEX-1......................................................................................................................INDEX-1

1.11.1
1 - 11 - 1
1. INSTALLATION1. INSTALLATION
(reference information for user)(reference information for user)
The instrument is installed by service The instrument is installed by service
personnel qualified bypersonnel qualified by
Hitachi.Hitachi.
The following description is included as reference information forThe following description is included as reference information for
the user (reference information on system configuration, etc.).the user (reference information on system configuration, etc.).
1.1 Unpacking1.1 Unpacking
Unpack the shipping crate, carefully take out Unpack the shipping crate, carefully take out
thethe
spectrophotomspectrophotom
eter and place it eter and place it
on a table.on a table.
Take utmost care when taking out the instrument.Take utmost care when taking out the instrument.
Figure 1-1 shows Figure 1-1 shows
the Model U-2810 Spectrophotometer.the Model U-2810 Spectrophotometer.
The figure is applicable to other models as well.The figure is applicable to other models as well.
Fig. Fig.
1-1 1-1
Mode Mode
U-2810 U-2810
SpectrophotometeSpectrophotomete
rr
NOTICENOTICE
: :
The The
light light
source source
switching switching
mirror mirror
is is
fastenedfastened
with with
a a
sponge sponge
during during
transport. transport.
Before Before
use,use,
detach the light source cover and remove thedetach the light source cover and remove the
sponge.sponge.
Data processingData processing
unitunit
SpectrophotometerSpectrophotometer
main unitmain unit

1.2 1.2
Power Power
RequirementsRequirements
1 - 21 - 2
1.2 1.2
Power Power
RequirementsRequirements
Rated Rated
voltage: voltage:
100, 100,
115, 115,
220, 220,
230 230
or or
240 240
V V
ACAC
Allowable fluAllowable flu
ctuation is within ±1ctuation is within ±1
0% of the rated0% of the rated
voltage.voltage.
Rated Rated
frequency: frequency:
50 50
or or
60 60
HzHz
Allowable fluAllowable flu
ctuation is within ±ctuation is within ±
0.5 Hz of the0.5 Hz of the
rated frequency.rated frequency.
200 VA or more (excluding power for computer and printer)200 VA or more (excluding power for computer and printer)
For use with a For use with a
personal computer, printer and other peripheralpersonal computer, printer and other peripheral
devices, it is recommended to provide a devices, it is recommended to provide a
power capacity ofpower capacity of
500 VA or more.500 VA or more.
Grounding Grounding
resistance: resistance:
100100
ΩΩ
or lessor less
1.2.1 1.2.1
Power Power
SupplySupply
VoltageVoltage
1.2.2 Frequency1.2.2 Frequency
1.2.3 1.2.3
Power Power
CapacityCapacity
1.2.4 1.2.4
Grounding Grounding
LineLine

1.3.11.3.1
1 - 31 - 3
1.3 1.3
Installation Installation
ConditionsConditions
Footprint: Footprint:
1120 1120
(W) (W)
mmmm
××
760 (D) mm or more760 (D) mm or more
Fig. Fig.
1-2 1-2
Installation Installation
AreaArea
Select a level surface capable of Select a level surface capable of
withstanding a weight ofwithstanding a weight of
29.0 kg or more.29.0 kg or more.
(1) (1)
Operating Operating
Temperature: Temperature:
5 5
to to
3535
°°
CC
For measurement under the most stable For measurement under the most stable
conditions, it isconditions, it is
recommenderecommende
d to d to
install the instrument in a install the instrument in a
room which isroom which is
air-conditionair-condition
ed at 20 ed at 20
to 25to 25
°°
C.C.
(2) (2)
Operating Operating
Humidity: Humidity:
45 45
to to
85%85%
(3) (3)
Storage Storage
Temperature: Temperature:
-20 -20
to to
7070
°°
CC
(4) Atmosphere(4) Atmosphere
••
The inThe in
stallation stallation
room shroom sh
ould bould b
e free e free
from the from the
following.following.
Acidic, alkalinAcidic, alkalin
e and other gasee and other gase
s which may corros which may corro
dede
metals significantlymetals significantly
••
Gaseous Gaseous
organic organic
solvents solvents
(particularly (particularly
benzene benzene
andand
thinner) which may dissolve paintthinner) which may dissolve paint
1.3.1 1.3.1
Installation Installation
AreaArea
77
66
00
55
00
44
44
00
11
77
00
11
00
00
55
77
55
470 505470 505
50 5050 50
11201120
PersonalPersonal
computercomputer
(CPU)(CPU)
KeyboardKeyboard
Spectrophoto-Spectrophoto-
metermeter
1.3.2 Withstanding1.3.2 Withstanding
LoadLoad
1.3.3 Environmental1.3.3 Environmental
ConditionsConditions