VELP LS and DLS Overhead Stirrers

Category Overhead Stirrers
Manufacturer VELP Scientifica
Country of manufacture Italy

The LS offers reliable performance on medium viscosity and low volumes.
Electronic speed regulation: from 50 up to 2000 rpm, Stirring volume (H2O): up to 25 L, Viscosity: up to 25,000 mPa*s

Also available in the DLS digital with a bright and easy-to-read display showing current speed set speed, torque and time. The digital timer offers the possibility of unattended operation. SpeedServoTM: constant speed even when the viscosity changes

VELP Scientifica offers a complete range of overhead stirrers with a technopolymer structure, ideal for premium resistance to acids, bases and solvents. Many reliable solutions are available, according to different requirements in terms of viscosity and volume. All the models are equipped with a user-friendly self-locking chuck, that simplifies assembly and the gentle start-up ensures optimum progression of the stirring speed. As always VELP Scientifica ensures the most advanced safety standards.

LS Features:

  • Advanced Performance
    • Electronic speed regulation from 50 to 2000 rpm
    • Can stir up to 25 liters of water
    • Maximum torque of 40 Ncm
    • Will stir liquids up to 25 000 mPa*s viscosity
    • Soft start to prevent splashes and the creation of bubbles
  • Rugged Design
    • Technopolymer structure prevents any possible rust
    • Optimum chemical resistance and enhanced handling
    • Long life, robust motor
  • Safety Incorporated
    • Automatically stops if blocked – no burn-out or damage
    • Overload, overcurrent and overtemperature protection
    • Sealed to IP 40 standard
    • Designed for the longest lifespan and guaranteed by 3 years warranty
  • Convenient Operation
    • Hand-tightened chuck; no tools required
    • Universal voltage / frequency model

Additional DLS Features:

  • Complete Information
    • Extremely bright and easy-to-read display
    • All set and actual parameter values are displayed in parallel
    • Information includes set speed, real speed, torque and timer
  • Outstanding Performance
    • Operating time can be set up to 999:59 minutes; automatic switch off.
    • SpeedServo™ ensures constant speed even when the viscosity changes

Stirrers are available as a stand alone item or with a stand and stirring shaft package. Package includes:
Overhead Stirrer
Support Rod and Base
Double Clamp
Stirring Shaft (with Fixed Blade for the LS or with Propeller for the DLS)

      Key Attributes
      Maximum volume (L): 25 (water) 
      Minimum Volume (L): N/A
      Speed max (rpm): 2000
      Speed min (rpm): 50
      Max temperature (◦C): N/A
      Plate:  N/A
      Plate material: N/A
      Torque max (Ncm): 40
      Controls: Analog
      Timer: No
      Programmable: No
      Reverse rotation: No
      Warranty (years): 3
      Weight (lbs): 5


      Manufacturer Specifications
      Construction material: technopolymer and epoxy painted aluminum alloy
      Visualization of effective speed: LS: graduated scale
      DLS: display LCD
      Chuck range: 1 - 10 mm
      Electronic protection rating CEI EN 60529: IP 40
      Power: 120 W
      Weight: 2.3 Kg (5.0 lb)
      Dimension (WxHxD): 80x215x196 mm (3.1x8.5x7.7 in)
      Stirring speed: 50 - 2000 rpm
      Stirring volume max (H2O): 25 liters
      Max viscosity: 25000 (mPa*s)*
      Torque max: 40 Ncm
      Allowed room temperature: 0 - 40 °C
      (*) mPa.s = 1 centipoise



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      VELP LS and DLS Overhead Stirrers Accessories