OHS Advance Overhead Stirrer

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Available models:

OHS 60 Advance (60 Ncm torque, up to 40 l)
OHS 100 Advance (100 Ncm torque, up to 100 l)
OHS 200 Advance (200 Ncm torque, dual-speed gear, up to 100 l)

The OHS Advance series is designed for high-precision laboratory operations, delivering constant torque and stable speed, even when viscosity changes.

OHS 60 Advance stirs up to 40 l with a 60 Ncm torque.
OHS 100 Advance is a more powerful model, handling 100 l with 100 Ncm torque, ideal for demanding applications.
OHS 200 Advance features dual-speed gearing, allowing high torque at low speeds (6-400 rpm) and high-speed operations up to 2000 rpm, suitable for viscosities up to 100,000 mPa.

All models include SpeedServo™ technology, ensuring automatic speed adjustment from 30 to 2000 rpm, depending on the model.

Advanced Performance and Precise Control

The OHS Advance series is engineered for maximum user safety and durability with innovative security features:

IP54 protection ensures resistance to dust and liquid splashes.
Integrated vibration sensors stop operation if the unit is improperly fixed.
Safe start/stop system with a lock key prevents accidental operation.
Overload and over-temperature protection extend the device’s lifespan.

All models come with a 3-year warranty (online registration required).

Safety and Long-Term Reliability

Each OHS Advance model features a 3.5” TFT display for precise settings and real-time viscosity monitoring (1 Ncm resolution).

SmartChuck™ system allows quick and easy shaft installation with one hand, no tools required.
Pt100 temperature probe continuously monitors the reaction temperature and can adjust speed or stop operation if a critical temperature is reached.
Wi-Fi and USB connectivity enable remote monitoring and control via the VELP Ermes cloud platform, or offline operation using OHS/ControllerSoft™ software.

The OHS Advance series is ideal for pharmaceutical, biotechnology, and chemical industries, where precision and reproducibility are essential for experiments.