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Description

OS-25 Digital Overhead Stirrer 
Reliable Mixing for Everyday Laboratory Applications 
The OS-25 digital overhead stirrer delivers reliable mixing performance for viscosities up to 70,000 mPas and volumes up to 25 litres. Featuring digital Fuzzy Control, Anti-Trembling technology, and a powerful DC motor, it combines smooth operation with precise speed control for demanding laboratory applications. 

Key Highlights

  • Stirring volumes up to 25 L
  • Up to 70,000 mPas viscosity
  • Speed range: 100–2,000 rpm
  • Digital Fuzzy Control with smooth start
  • Anti-Trembling stability function
  • Large backlit LCD display
  • Complete set with telescopic stand and stirrer

Features

Precision and Stability for Routine Laboratory Mixing 

The OS-25 is designed for precise and reliable stirring in research, quality control, chemical, and pharmaceutical laboratories. Its Digital Fuzzy Control ensures smooth acceleration and accurate speed adjustment, while the Anti-Trembling function improves operational stability during challenging mixing processes. 

The large backlit LCD display provides clear visibility of operating parameters, and the intuitive Jog-Dial control enables easy setup and adjustment. Combined with the powerful DC motor and telescopic stand system, the OS-25 delivers dependable performance for routine and medium-viscosity mixing applications.

Technical data

Version
Set
Material
ABS and Aluminum
Controller
Digital Fuzzy Controller with Touch Button & Jog Dial
Torque
100 - 2,000 rpm
Weight
10,39 kg
Capacity
max. 25 l (H2O)
Motor rating
200 / 160 W
Power consumption
180 W
Viscosity (mPas)
max. 70,000 mPas
Width(outer)
80 mm
Height
245 mm
Length(outer)
194 mm

Comparison

Order number Model Version Material Controller Torque Weight Capacity Motor rating Power consumption Viscosity (mPas) Width(outer) Height Length(outer) Price
6 290 025 OS-25 digital Set ABS and Aluminum Digital Fuzzy Controller with Touch Button & Jog Dial 100 - 2,000 rpm 10,39 kg max. 25 l (H2O) 200 / 160 W 180 W max. 70,000 mPas 80 mm 245 mm 194 mm €805.80
6 290 026 OS-26 digital PRO Set ABS and Aluminum Digital PID Feedback Control High Performance MCU 30 - 2,000 rpm 10,50 kg max. 25 l (H2O) 200 / 160 W 280 W max. 70,000 MPas 80 mm 260 mm 185 mm €921.06
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