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Electronic overhead stirrers

Dodávateľ: VELP Scientifica

Range of overhead stirrers with electronic adjustment that are equipped with advanced safety systems.

ES compact overhead stirrer for simple medium and low speed liquid stirring applications  (max1000 mPas). Suitable for stirring up to 15 l, with speed adjustment ranging between 50 and 1300 min-1. Safety system to prevent instrument overheating.

LS overhead stirrer for stirring medium-low viscosity liquids (max 25 000 mPas). Suitable for volumes up to 25 l, with speed adjustment ranging from 50 to 2000 min-1. The unit can be operated continuously.

PW powerful overhead stirrer for stirring high viscosity liquids (max 100 000 mPas). Suitable for volumes up to 70 l, with speed adjustment ranging from 20 to 1200 min-1. The unit can be operated continuously.

DLS overhead stirrer for stirring medium-viscosity liquids (max 25 000 mPas). Speed preselection from 50 to 2000 min-1. Safety system protects unit from overloads in case the motor malfunctions or jams.

LH and DLH models are characterised by strong rotation torque that allows liquids with high viscosity (max 50 000 mPas) to be used. Speed preselection from 50 to 2000 min-1. Safety system protects unit from overloads in case the motor malfunctions or jams.

  • Compact, easy to use ergonomic design, units are lightweight, reliable and quiet
  • Progressive start-up prevents liquid from coming out of the vessel
  • Microprocessor controlled motor means constant speed, even when the viscosity of the liquid changes (except ES models)
  • Model BS, PW, DLS, LH and DLH have safety chuck without key, which helps ensure safe use
  • DLS and DLH models have two digital displays showing both actual and set speeds simultaneously
Ordering information: Supplied without stirring tools, which must be ordered separately.



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Opis Pk Číslo v katalógu VWR Množstvo
ES overhead stirrer 1 441-0347
LS overhead stirrer 1 441-0346
LS overhead stirrer package, includes support rod and base, double clamp and stirring shaft with propeller 1 VELPSA201A0151
PW overhead stirrer 1 441-0345
DLS digital overhead stirrer 1 441-0348
DLS digital overhead stirrer package, includes support rod and base, double clamp and stirring shaft with propeller 1 KIT 441-0413
LH overhead stirrer 1 441-0349
DLH digital overhead stirrer 1 441-0350

Stirring tools
Opis Stirrer - Ø Shaft - Ø Shaft length Pk Číslo v katalógu VWR Množstvo
Anchor stirrer, creates tangential flow, for use at medium/low speed 45 mm 8 mm 450 mm 1 441-0118
Bosshead clamp - - - 1 441-0109
Clamp - - - 1 441-0110
Fixed blade stirrer, creates axial flow, for use at medium/high speed, stirring light solids 50 mm 7 mm 400 mm 1 441-0126
Paddle stirrer, creates tangential flow, for use at medium/low speed 69 mm 7 mm 450 mm 1 441-0125
Propellor stirrer, creates axial flow, for use at medium/high speed, stirring light solids 60 mm 7 mm 400 mm 1 441-0116
Stirrer with 2 floating blades, creates axial flow, for stirring in narrow neck containers 93 mm 7 mm 400 mm 1 441-0119
Stirrer with folding blade, creates axial flow, for stirring in narrow neck containers 60 mm 7 mm 400 mm 1 441-0115
Support stand - - - 1 441-0108
Turbine type stirrer, creates radial flow, for use at medium/high speed to dissolve particles 49 mm 7 mm 450 mm 1 441-0117
Turbo stirrer, creates axial flow, for use at medium/high speed, stirring light solids 46 mm 7 mm 450 mm 1 441-0120
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ŠPECIFIKÁCIE

Model ES LS PW DLS LH DLH
Max. viscosity (mPas) 1000 25000 100000 25000 50000
Rozsah otáčok (min-1) 50 - 1300 50 - 2000 20 - 1200 50 - 2000
Max. torque at chuck (Ncm) 15 40 120 40 80
ŠxH×V (mm) 80×200×160 80×196×215 80×196×230 80×196×215 80×196×230
Hmotnosť (kg) 1,3 2,3 2,9 2,5 2,9 3,0
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