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User’s Guide
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STR and HPL Series
HOT PLATES, STIRRERS,
and STIRRER HOT PLATES
Page 2
OMEGAnet®Online Service Internet e-mail
omega.com [email protected]
Servicing North America:
U.S.A.: Omega Engineering, Inc., One Omega Drive, P.O. Box 4047
ISO 9001 Certified Stamford, CT 06907-0047 USA
Canada: 976 Bergar
Laval (Quebec), Canada H7L 5A1
Toll-Free: 1-800-826-6342 TEL: (514) 856-6928
FAX: (514) 856-6886 e-mail: [email protected]
For immediate technical or application assistance:
U.S.A. and Canada: Sales Service: 1-800-826-6342/1-800-TC-OMEGA
Customer Service: 1-800-622-2378/1-800-622-BEST
Engineering Service: 1-800-872-9436/1-800-USA-WHEN
Mexico: En Español: 001 (203) 359-7803 FAX: (001) 203-359-7807
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Servicing Europe:
Benelux: Managed by the United Kingdom Office
Czech Republic: Frystatska 184
733 01 Karviná, Czech Republic
Toll-Free: 0800-1-66342 TEL: +420-59-6311899
FAX: +420-59-6311114 e-mail: [email protected]
France: Managed by the United Kingdom Office
Toll-Free: 0800 466 342 TEL: +33 (0) 161 37 29 00
FAX: +33 (0) 130 57 54 27 e-mail: [email protected]
Germany/Austria: Daimlerstrasse 26
D-75392 Deckenpfronn, Germany
Toll-Free: 0 800 6397678 TEL: +49 (0) 7059 9398-0
FAX: +49 (0) 7056 9398-29 e-mail: [email protected]
United Kingdom: OMEGA Engineering Ltd.
ISO 9001 Certified One Omega Drive, River Bend Technology Centre, Northbank
Irlam, Manchester M44 5BD England
Toll-Free: 0800-488-488 TEL: +44 (0)161 777-6611
FAX: +44 (0)161 777-6622 e-mail: [email protected]
It is the policy of OMEGA Engineering, Inc. to comply with all worldwide safety and EMC/EMI
regulations that apply. OMEGA is constantly pursuing certification of its products to the European Ne
Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any
errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, human applications.
.
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ThismanualissuitablefortheuseoftheseriesproductsofHotplatesandStirrers
describedinthefollowingtable:
Model
Body
Material Function
PlateDimension
(mm)
Plate
Material
Wattage
(W)
Control
Mode
HPL-11
HPL-13
Metal HeatOnly 160x160 Ceramic 550 Digital
Metal HeatOnly 300x300 Ceramic 1800 Digital
STR-11
STR-12
Metal StirOnly Ceramic 50 Analog
Metal StirOnly Ceramic 50 Analog
STR-11H
STR-11HD
STR-12H
STR-12HD
Metal Heat&Stir Ceramic Digital
Metal Heat&Stir Ceramic Digital
Metal Heat&Stir Ceramic Digital
Metal Heat&Stir Ceramic Digital
HPL-12
PTFE HeatOnly Ceramic Digital
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BEFOREUSE:
Pleasereadthefollowinginstructions:
Read the Manual first before operating
the instrument
For indoor use only
Check the integrity of the unit before
you plug into the power outlet!
Use in a well-ventilated area and away
from any flammable objects
Do not turn on the unit without any
containers or the container without any
liquids on the top of the plate
Do not use bottle other than beakers for
heating
Do not remove any objects when the
unit in use
Warning
ALL UNITS MUST BE GROUNDED
Checkthelinesupplyissufficienttomeetthepowerrequirementoftheunit!
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Overview
Hotplatesandstirrerarecommonlyusedinthelabforheatingandmixingsolution.For
safetyreasons,ourproductsareequippedwithoverheatedhardwareandhotwarningvia
indicatorandappropriatelabels.
Figure1–4showthefrontpanelandrearpowersocketdiagramsofthehotplates,stirrer
andstirrerhotplates.TherearefourLEDindicatorsinthestirrerhotplates,twointhe
stirrersandthreeinhotplates.Theindicatorsareimportantforuserstoknowthe
operationstatustosafelyandappropriatelyusetheunits:
PowerLED:whenthePowerLEDon,itindicates
startingtheheatand/orstirprocess.
HEATLED:Whenturningtheheatknob,theHeatLEDwillbeon,indicatingtheheatprocess
begins.
HOTLED:TheLEDisusedtoindicatetheHOTstatusofthehotplates.Whenthe
temperatureisabove
STIRLED:Whenturningthestirknob,theLEDison,indicatingthestirprocessbegins.
50˚C,theHOTLEDisalwaysoneventheunithasbeenturnedoff.
theunitconnectingtopowerlineand
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1
23
Figure1:ThefrontviewofSTR‐11HD(StirrerHotplate).1Microcrystalplate2
Temperaturecontrol3Stirrercontrol
1
23
Figure2:ThefrontviewofSTR‐IID(StirrerHotplate).1Microcrystalplate
2Temperaturecontrol3Stirrercontrol
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Figure3:TheFasciaoftheSTR‐IIH
Figure4:ThefasciaoftheSTR‐IIH
Figure5:ThefasciaoftheSTR‐11HD:3Stirrerknob;2MainKnobwithpush
function;1LEDDisplay
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Operation
WARING:DONOTPLACETHEMACHINEINADRAFTYAREATOAVOIDTHEEFFECTOFTHE
ENVIRONMENTALTEMPERATUREONTHETEMPERATURECONTROLOFPLATEAND/OR
SOLUTIONS!
Forheating
1.Placethebeakersorothercontainers(DONOTUSEBOTTLESOROTHERGLASSWARES
EXCEPTBEAKERANDGLASSWARESKNOWNASSAFEIN
liquids(DONOTPUTEMPTYCONTAINERSONTHETOPPLATEOFTHEHOTPLATES!)first.
Trytoavoidplacingcoldliquidsdirectlytothehotplateswhenthetopofthehotplateis
HOT.
THEHEATINGPROCESS!)with
2.Turningtheheatknobtothedesiredtemperature.AndthePower,HEAT
indicatingtheheatingbegins.Whenthetemperaturereaches50˚C,theHOTLEDstartstobe
ON.Donottrytotouchthecontainersandtheunitinthistime.
3.Alwaysusestirrerfortheheatingofviscousliquids.Theviscousliquidcanhavethe
thermalinsulatedeffects,causingsuddenburstoftheliquidandeventhebreakageofthe
beakers.Makesurethattheliquidsarestirredinthecorrectwayandmonitortheprocess
toavoidanyaccident.
4.Whentheheatprocesscomplete,turnofftheunitandwaituntiltheHOTLED
Donottrytotakethebeakersimmediately!
5.Unplugthepowercordafteruse!
Forstirring
1.Placethestirrerbarintotheliquid–usetheappropriateandnormalcylindershape
stirrerbartogainthemaximumstirringeffect.
2.Turningthestirringknobtogain
beon.Withourspecialdesign,thestirringwilloccuratslightlydelaytimetominimizethe
disengagingmovementofthestirbar.Trynottoturntomaximumspeedtoavoidspillingof
thesolutionduetothevigorous
Trytousethestandardbarfirstandchangingtolongerstirbarifneeded.Trytoadjustthe
speedwithvariousstirbarstoavoidthedisengagement.
theoptimumstirringeffect.Inthistime,theStirLEDwill
stirring.Thestandardlengthofthestirbaris30mmlength.
LEDwillbeon,
comesoff.
3.Monitoringthestirringeffectwhenstirring,especiallywhenthe
changedduringheating.
SpecialInstructionsforthedigitalhotplates(STR‐11HDandSTR‐12HD)
TheDigitalmodelsaredesignedtobeusedwithorwithoutexternalprobe(PT1000).With
externalprobeattached,themachinecontrolstheheatingprocessaccordingtotheexternal
probe,andthetemperature
externalprobe),nottheplatetemperature.Thedisplayresolutionautomaticallyswitchesto
0.1˚Candtheaccuracyoftemperaturecontrolis±0.5˚C.
displayshowstheactualsolutiontemperature(detectedbythe
viscosityoftheliquid
Page 9
WithsophisticatedPIDcontrolmechanism,thesolutioncanbecontrolledaccurately
independentonvolumechangesandtheeffectsfromenvironment.
Themachinescomewithmanysafetyfeatures,suchasinternalcheckontheinternaland
externalprobesfunctiontopreventover‐heatthesamplesandothersafetyproblems.The
machine
probeattached.Itpreventsthesevereoutcomesduetonegligentoftheuse,malfunctionof
probesand/orsolutiondrying.
1.Alwaysputthemachineinthesteadyandflattable!Tousewithexternalprobe,
assembletherod
beforeplugintopoweroutlet.
2.Whenplugthepowercordintotheoutlet,alltheLEDindictorswillbeonandthe
machineautomaticallydoestheself‐test,andthentheLEDdisplaywillshow“888.8”,
versionofsoftware,suchas“2.X”,andallindicatorswillbeoff.TheDisplayshows“‐‐‐‐“and
thentheactualplatetemperature.Iftheplatetemperatureisover50˚C,thentheHOTLED
remainson.
willbeep,displayerrormessageandcutofftheheatingprocesswhenexternal
andplacetheprobecorrectly.Theprobemustbeplacedintothesolution
the
3.Pushthemainknobonce,thedisplayshowsthepresettemperature,
tothedesiredtemperature(turnlefttoreducethetemperatureandturnrighttoincrease
thetemperature).Withexternalprobeattached,thesettingpointcanonlybesetto
maximum200˚C.Withoutexternalprobeattached,thesettingtemperaturecanbesetto
550˚C.
Pushthemainknobonce,themachinestartstheheatingprocess,andtheheatLED
4.
shouldbeflashingtoindicatetheheatprocessongoing.Whenreachingtheset
temperatureatequilibriumstage,theheatLEDwillbesteadyon.
5.Tochangethesettemperatureduringprocess,pressthe
processfirst,thenpressmainknobagaintoenterthesettingmode,turntheknobtothe
desiredvalue,andpushthemainknobagaintostarttheheatingunderthenewsetting
temperature.
6.Tostoptheheatingprocess,pushthemainknobonce,
off,andtheDisplaywillshowtheactualplatetemperature.Iftheplatetemperatureis
higherthan50˚C,theHOTLEDindicatorremainsonuntiltheplatereachingbelow50˚C,
andfinallythedisplayshows“OFF”andautomaticallyshutoff
POWERindicatorremainsilluminated,indicatingthepowercordconnectedtoelectrical
outlet.
mainknoboncetostopthe
thentheheatLEDindictorwillbe
themachines.Butthe
andturnstheknob
7.Themachinescanbeusedasthestirrerorhotplatealone.Thestirringknobhasits‐own
on/offswitch.Toturnonthestirring,turntorightandyouwillhearaclick,and
desiredsetpointtosettingspeedandstirringprocessstartimmediatelyandthe“stir”LED
indicatorwillbeon.Withoutstarttheheating,themachinesactasstirreraloneandbythe
switchingoffthestirrer,themachinesactashotplateonly.
turnto
Page 10
8.Themachinescanbeeasilycalibratedwithaidofthestandardtemperaturemeasuring
device.Dipthestandardprobeoftemperaturemeasurementdeviceintothesolution,wait
untilreachingthesteadystage,i.e.theheadLEDilluminatedon(notflashing).Intherear
panelofthemachines,thereisa
valueinthedisplaytomatchingthevalueofthereadinginthetemperaturemeasurement
device.
9.Whenthemachinesdetectthemalfunctionoftheinternalprobe,thenthemachineswill
beepandthedisplayshows“Err1”.Theheatingfunctionwon’t
themachinesmustbereturnedtothemanufacturerforrepairorreplacement.
10.Withtheexternalprobeattached,themachineswillalsochecktheconnectivityofboth
theexternalandinternalprobes.Whendetectedtheproblemoftheexternalprobe,the
displaywillshow
11.Withtheexternalprobeattached,ifthemachinedetectsthetemperatureofthe
externalprobeunchangedduetothenegligentnottoputtingtheprobeintothesolution,
and/orthemalfunctionoftheprobe,and/orthe
beepandstopheating,andthedisplaywillshowtheplatetemperature.Puttheexternal
probeintothesolutionagain,andthebeepwillgooff,Displayshowingtheexternal
temperatureandtheheatingprocessresumes.
“Err2”.Inthiscase,justcallyourdistributorstoreplacetheexternalprobe.
smalladjustingknob.Usesmallscrewdrivertoadjustthe
beworkagain.Inthiscase,
samplesolutiondrying,themachinewill
MaintenanceandService
Afteruse,waituntiltheunitcool,useawetclothtocleanthetopofthehotplates.
Promptlycleaningisrecommendedtoprolongthelifetimeoftheunit.Wedonotofferany
replaceablepartsfortheservice.
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WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 36 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month
grace period to normal three (3) year product warranty to cover handling and shipping time. This
ensures that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not
limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any
damages that result from the use of its products in accordance with information provided by
OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF
TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
co mpone nt upon which liab ility is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or
activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility
as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify
OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
Product(s) in such a manner.
this order, whether based on contract, warranty, negligence,
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN
(AR) NUMBER F R O M O MEGA’S CUSTOMER S E RVIC E D E PART M ENT (IN ORDER TO AV O I D
PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return
package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.
FOR WARRANTY
following information available BEFORE
contacting OMEGA:
1. Purchase Order number under which the product
was PURCHASED,
2. Model and serial number of the product under
warranty, and
3. Repair instructions and/or specific problems
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords
our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2009 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the
prior written consent of OMEGA ENGINEERING, INC.
RETURNS, please have the
FOR NON-WARRANTY REPAIRS,
for current repair charges. Have the following
information available BEFORE contacting OMEGA:
1. Purchase Order number to cover the COST
of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems
relative to the product.
consult OMEGA
Page 12
Where Do I Find Everything I Need for
Process Measurement and Control?
OMEGA…Of Course!
Shop online at omega.com
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