OHS 200 Advance Overhead Stirrer

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OHS 200 Advance Overhead Stirrer

Safety and Durability for Your Lab

The OHS 200 Advance is VELP’s high-end overhead stirrer, designed to ensure the highest safety standards and resistance for your laboratory.

Safety Features:

  • Integrated overload, overtemperature, and overcurrent safety alarms preserve the performance over time by stopping the stirring process when needed.
  • Safe start and stop knob operation, along with a lock key, prevent unintended startup and changes of the working conditions.
  • An integrated vibration sensor with different levels of sensitivity stops the operation and informs you to ensure that your OHS is stable and properly fixed.

Robust Construction:

  • The OHS 200 Advance features a resistant sealed housing and an IP 54 Protection Rating, guaranteeing durability even in aggressive environments.

Best-in-Class Stirring Power:

  • Ideal for demanding applications, the OHS 200 Advance operates with viscosities up to 100,000 mPa, stirring up to 100 L with a maximum torque of 200 Ncm.
  • The brushless motor with SpeedServo™ torque compensation technology ensures constant torque at any speed, providing the best performance for both high torque and high volume operations.

SmartChuck Technology:

  • The OHS Advance SmartChuck™ technology simplifies the shaft accommodation process, making it easy to use with just one hand and no tools required.
  • With two simple operations, you can unlock the protection ring to drive the shaft in and out with maximum ease, ensuring safety during stirring.

Intuitive and Precise Control:

  • The OHS 200 Advance features an intuitive 3.5” TFT Display, allowing you to precisely set your working conditions and get reproducible results.
  • Monitor torque measurement on the display for real-time information on viscosity change with a resolution of 1 Ncm, and interact with the real-time graph showing speed, torque, and temperature of your test.

Temperature Control:

  • The OHS Advance comes with a Pt100 temperature probe included, allowing you to constantly monitor the temperature of your reaction and set the instrument to reduce speed or interrupt the task if the temperature reaches a defined value.

Connectivity Options:

  • The OHS Advance offers the possibility of controlling and monitoring processes through Wi-Fi connection to VELP Ermes and through USB.
  • With VELP Ermes cloud platform, control the OHS Advance from PC, smartphone, and tablet through a simple and intuitive web interface. Alternatively, use the OHS/ControllerSoft™ software for USB connectivity.

OHS 200 Advance Overhead Stirrer Technical Specifications:

  • Display: 3.5″ Graphic TFT Display
  • User Interface: Digital
  • Motor: Brushless DC
  • Stirring Volume (H2O): Up to 100 L
  • Speed Gears: 2
  • Max Torque: 200 Ncm
  • Stirring Speed Range: 6-400 rpm (Speed gear 1), 30-2000 rpm (Speed gear 2)
  • Speed Setting Resolution: 1 rpm
  • Speed Control: Digital
  • Max Viscosity: 100,000 mPa*s
  • Torque Compensation: SpeedServo™
  • Chuck Range: Ø from 1 to 13 mm
  • Shaft Diameter Pass-through: Up to 8.5mm
  • Safety Vibration Sensor: Yes
  • Timer: Yes
  • Method Setting: Yes
  • Lock of the Instrument: Yes
  • External Probe Connection: Pt100
  • Temperature Measuring Range: -200 to +550 °C
  • Temperature Resolution: 0.1 °C
  • Interfaces: USB / WiFi
  • Dimensions (WxHxD): 90x315x235 mm (3.5×12.4×9.3 in)
  • Weight: 4.6 kg (10.1 lb)
  • Protection Class DIN EN 60529: IP 54