
Sorvall®Centrifuges
Description
CentrifugeFeatures
High Performance Drive
Abrushlessdcdirectdrivesystemde-
signedforlongermotorlifeand greater
reliability;provideshightorque;fastac-
celeration;and smooth, precise speed
control.Nobrushesmeanslessmainte-
nance.Controlledbydualmicroproces-
sorswithaccurate speed control during
accelerationanda PositiveActionBrake
systemthatprovidescontrolled braking
fromsetspeedallthewayto0 rpm.
IncludesSorvall®Gyro-Action
Self-
CenteringSystemthatpermits"eyebal-
ancing"oftubes. Imbalance detector
protectsagainst damagefrom grossim-
balanceconditions. AcceptsallSorvall®
Superspeedand Supraspeed®rotors.
Automatic Rotor Recognition
SPIN-RIGHT®Rotor Management System
automatically recognizes installed
Sorvall®rotorwhenchamberdooris
closed.Providesoptimal instrument
control. Prohibitsoperationofa rotor
aboveitsmaximum speed. Primary
functionofthesystemistoprovidean
addedmarginofsafety during operation;
however,itiseffectiveonlywhenitis
operatedasintended.Anymisuseofthe
system,aswithanyothercentrifuge
systemorfeature,canresultin unsafe
operation.
Precise Temperature Control
Ahigh-capacity,highlyefficientrefrigera-
tionsystemthat combinesheatingand
cooling.Thecombinedheatingand
coolingprovidestemperature control
from2°Cto40°Cand eliminatesthe
needtodefrostthechamber. Tempera-
turesensorismountedawayfromthe
chamberwalltofurtherimproveaccu-
racyofrotortemperature measurement.
Automaticsampletemperature protec-
tion;maximumtemperaturewillbeset
automaticallyorcanbeentered manu-
ally. Convenientprecoolingofrotors.
Vacuum
AllowsSorvall®Supraspeed®rotorstobe
operatedatspeedsupto28000rpm.
Automaticallyactivatedwhen required.
RCFRun
RCFcanbechoseninplaceofa speedto
controlrun.AllowsRCFtoberepro-
ducedfromruntorunand rotortorotor.
Acceptsvaluesupto100095x g,de-
pendingontherotorused.
SlowStart/ SlowStop
Automatic controlofaccelerationand
decelerationtoandfrom transition
speed;provides optimal reorientation
conditionswhichpreventdisturbanceof
gradientorpellet. Optimaltimestoand
fromtransition speedare automatically
determinedforidentified rotororcanbe
manuallyselected;transition speedcan
evenbechangedifdesired.Flexibilityof
controlmeansyoucanduplicatea slow
start/slowstoprundoneinanyother
centrifuge.
ZonalRun
Allowsoperationwiththechamberdoor
opentodynamicallyloada Sorvall®
TZ-28Zonal Rotor.Loadingspeedselec-
tionfrom1300rpmto2500rpm.Akey
numberisrequiredforzonal operation.
fco2dt Run
Abuilt-inintegratorthat provides exact
run-to-run reproducibilityby controlling
theaccumulating
fo)2dt.
The accumulat-
ingvalueisdisplayed duringtherun.
Control PanelLock
Locksthecontrolpaneltopreventrun
conditionsfrom beingchanged without
theoperatorknowing.Akeynumberis
requiredtolockand unlockthe control
panel.
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