58k+ listingsShips to NLResponse within one hour+31 73 711 4717info@questpair.com

MARSHALL Select MS-OT20LE Overhead Stirrer, 20L

€545.04excl. VAT

In stock

Can't find what you're looking for?

Maximum Stirring Capacity
20L
Speed Range
50 to 2,200 RPM
Maximum Viscosity
100,000 mPas
Maximum Torque
40 Ncm
Chuck Diameter Range
0.5 to 10 mm
All 16 specifications
  • Ships to NL
  • Response within 1 hour
  • Warranty available. Buy without worry
  • Support from a scientist

Specifications 16

Brands
Marshall Select
New/Used
New
Maximum Stirring Capacity
20L
Speed Range
50 to 2,200 RPM
Maximum Viscosity
100,000 mPas
Maximum Torque
40 Ncm
Chuck Diameter Range
0.5 to 10 mm
Motor Input Power
60W
Motor Output Power
50W
Motor Type
Brushless DC motor
Display
LED
Overload Protection
Visual alarm, motor automatic stop
Protection Class
IP21
Dimensions (W x D x H)
3.3 x 7.3 x 8.7 in. (8.3 x 18.6 x 22 cm)
Weight
13.2 lb. (6 kg)
Electrical Requirements
110/220V, 50/60Hz, 70W

Product description

Reliable and versatile overhead stirrer with high torque for laboratory needs.

MARSHALL Select MS-OT20LE Overhead Stirrer, 20L

Maximum Stirring Quantity 20L Speed Range 50 to 2,200 RPM Maximum Viscosity 100,000 mPas

Features

  • High torque of 40 Ncm suitable for viscous medium stirring
  • Brushless DC motor ensures long life, maintenance-free operation, and safety in explosive environments
  • LED display for precise monitoring of actual speed
  • Over torque protection and safety circuits provide safe stop functions in anti-stall or overload conditions
  • Large chuck diameter supports many shaft types, increasing versatility
  • Through-shaft design allows for easy adjustment of the impeller position
  • Automatic resumption of stirring at preset speed after power loss
  • IP21 protection class offers basic protection against solid objects and dripping water
  • Analog speed controls displayed on the LED for easy adjustments and monitoring
  • Designed to accept pass-through stirrer rods for flexible setup options
  • Visual alarm alerts for immediate notification of system issues or malfunctions
  • Explosion-proof motor enhances safety in volatile environments

The MARSHALL Select MS-OT20LE Overhead Stirrer stands out for its high reliability and superior performance, engineered to manage stirring tasks up to 20L. It features a versatile speed range from 50 to 2,200 RPM, suited for a wide variety of laboratory needs. This stirrer is equipped with a brushless DC motor, renowned for its long life, maintenance-free operation, and explosion-proof qualities. The MS-OT20LE includes an LED screen that displays the actual speed, ensuring precise control over your mixing processes. It's capable of handling high viscosities up to 100,000 mPas with a maximum torque of 40 Ncm, making it ideal for stirring viscous mediums.

The large chuck diameter supports many shaft types, enhancing its adaptability. Safety is a paramount feature of this device, with integrated circuits that provide a safe stop function in conditions of anti-stall or overload, where over torque protection automatically stops the motor. Additionally, the through-shaft design allows for easy adjustment of the impeller position to suit varying laboratory needs. In the event of a power outage, the stirrer automatically resumes operation at the preset speed once power is restored, ensuring continuity and efficiency. The IP21 protection class provides basic protection against solid objects and dripping water, further securing the unit in active laboratory environments.

INCLUDED: The MARSHALL Select MS-OT20LE Overhead Stirrer, 20L includes:

  • Key of Drill Chuck
  • Power Cord
  • Operator's Manual
  • Manufacturer's Documentation
  • 1 Year Manufacturer's Warranty

Why Questpair exists

Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.

We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.

We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.

Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

Reply in one hour

Can't find the exact configuration?

Tell us what you need and a scientist finds it for you, usually within the hour.

Last updated 27 October 2026