SSI Binary Gradient PumpSSI Binary Gradient Pump

Modular SimplicityModular Simplicity

Ideal Gradient Characteristics Ideal Gradient Characteristics

Modular designModular design

Small foot printSmall foot print

Easy MaintenanceEasy Maintenance

Compatible with stand alone control & Data Compatible with stand alone control & Data systemssystems

11l to 5ml/min flow range with 1% resolutionl to 5ml/min flow range with 1% resolution

Integrated Binary Gradient PumpIntegrated Binary Gradient Pump

Small footprintSmall footprint

Integrates fluidicsIntegrates fluidics

Simple controlSimple control

Low dead volumeLow dead volume

High precision High precision

Easy MaintenanceEasy Maintenance

Modular designModular design

Simple seal changesSimple seal changes

Self flush is standardSelf flush is standard

Pumps are on pull out Pumps are on pull out drawersdrawers

Each pump is Each pump is independently independently serviceableserviceable

Fluid Path Fully AccessibleFluid Path Fully Accessible

Easy Set upEasy Set up– Connect inlet linesConnect inlet lines– Connect line to InjectorConnect line to Injector– Prime pumpPrime pump

200200ll DelayDelay

Ez Prime in head PPVEz Prime in head PPV

Simple Front Panel ControlSimple Front Panel Control

Can select and setCan select and set– FlowFlow– Max pressure limitMax pressure limit– Low pressure limitLow pressure limit

Allows monitoringAllows monitoring– PressurePressure– FlowFlow

Start or stop the pumpStart or stop the pump

EZ Prime EZ Prime

Allows each head to be Allows each head to be primed independentlyprimed independently

Can prime head while Can prime head while other pump is runningother pump is running

High PerformanceHigh Performance

Dead volume is minimizedDead volume is minimized

0.001ml/min flow resolution0.001ml/min flow resolution

Out gassing effects minimized since mixing is Out gassing effects minimized since mixing is on high pressure side of pumpon high pressure side of pump

Precise digital control of each solvents flowPrecise digital control of each solvents flow

Use data system interface for control or Use data system interface for control or keypad controllerkeypad controller

Low Delay VolumeLow Delay Volume

236430

239760

243090

246420

249750

Mic

rovo

lts

3.00 3.10 3.20 3.30 3.40 3.50 3.60 3.70 3.80

MinutesWL-A: bingr041.pdf

200l Delay

Flow 0.5ml/min step at 3.0 min

460

480

500

520M

illiv

olts

35.0 40.0 45.0 50.0 55.0Minutes

2% Gradient Steps at 0-10% 2% Gradient Steps at 0-10%

0

45

90

135

180

Mill

ivo

lts

0.00 0.95 1.90 2.85 3.80 4.75 5.70 6.65 7.60 8.55Minutes

Fast Gradients at 3 mL/minFast Gradients at 3 mL/min

100%A for 2 minutes

0-100%B in 1 min, 3 min

0

130

260

390

520M

illiv

olts

0.0 10.0 20.0 30.0 40.0 50.0 60.0

Minutesnp250031.pdf WL-A: np250021.pdf

Linear and Step Binary Gradient Profile, Linear and Step Binary Gradient Profile, 250 250 L/min; Two Runs SuperimposedL/min; Two Runs Superimposed

100%A for 2 min; 0-100%B over 25 min.

Gradient Accuracy was determined to be 1% absolute (of set value)

Easy System ConfigurationEasy System Configuration

Add a detector Add a detector

Choose a manual Choose a manual injection valve or injection valve or AutosamplerAutosampler

Choose a columnChoose a column

Choose your data Choose your data collection systemcollection system

Begin Begin

Wide Variety of Controllable Wide Variety of Controllable DetectorsDetectors

FluorescenceFluorescence

UV/VisUV/Vis– Single ChannelSingle Channel– Multi ChannelMulti Channel– Diode ArrayDiode Array

ConductivityConductivity

Evaporative Light Evaporative Light ScatteringScattering

Works With All Analog DetectorsWorks With All Analog Detectors

Use EZ Chrom SI with Use EZ Chrom SI with 35900E A to D box35900E A to D box

Use a keypad controller Use a keypad controller and a strip chart and a strip chart recorderrecorder

Application Specific SystemsApplication Specific Systems

Amino Acid SystemsAmino Acid Systems

Carbamate SystemsCarbamate Systems

Clinical assay systemsClinical assay systems

Genetic Variant systemGenetic Variant system

Aflatoxin SystemAflatoxin System

Glyphosate systemGlyphosate system