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1.0 Introduction
1.1 Product Description
The CobraL/SAutoSampler combines state-of-the-art component technologywitheasy-to-use
operating features thatmeet routineaswell as research level autosampling requirements.
TheCobraL/S isanall-electric, steppermotordrivenautosamplerproviding rugged reliabilityand
pinpoint injectionaccuracy.Thesyringemechanismmovesback-and-forthand in-and-out across the
sample tray toaccesssamplevials,multiplesolventvials, standards, etc.
Variable injectvolumes, injectionspeed,needledwell times,numberof samplespervial,multiple
methodsper run, solvent flush, air gaping, dual columnoperationandahost of other autosampling
optionsareall standardandeasilyprogrammedon theCobraL/S'smenudrivenkeypad.
Theunitusesscrew-caporcrimp-topseptumvialsandeasily interfaceswithyourGCsystemwithall
the remote inputs/outputs—readysignal, injectionmark, etc.—plusRS232 fordirect communication
withan IBMor compatiblepersonal computer. Mounting iseasyandallows forquickchangesbe-
tweenGC’s ifdesired.Syringe/injector alignment isvia thekeypad. Thecontrolmodulemountson
either sideof theautosampler for easyaccess.
1.2 Key Features
• DirectSyringe Injection:Uses1.5µl -100µl syringes forminimumsamplevolumeand
maximumflexibility.
• AllElectric:Noadditional cost forgases.
• PriorityManualSample featureallows thecurrent analysis tobe interrupted forRUSH
samples.
• VariableSampleFillRate forviscoussamples.
• Variable InjectionRate tooptimizechromatographybasedon injector typeandanalytesof
interest.
• Dual InjectorOperationallowsmaximumproductivity fromGCwithdual injectorsand
columns.
• Programmable InjectorAlignment:Nomanual adjustments toalign injectionports.
• VariableDwellTime forhotneedle injection techniques.
