Overhead Stirrer

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High Torque / High Speed Overhead Stirrer

Setting accuracy speed:1rpm

Model: WOHS-20 HPro

Order NO.: W3041060


Specific parameters will be adjusted according to product upgrades, without notice.

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Suitable for mixing medium and high viscosity liquid or solid liquid. Mainly used in chemical synthesis, pharmaceutical, physical and chemical analysis, petrochemical, chemical, cosmetics, health products, food, biotechnology, and other fields.

> Suitable for large-volume, high-viscosity sample stirring tasks.
> Available for different mixing speeds or torques.
> adopts microcomputer control technology to ensure constant speed.
> Maintenance-free brushless DC motor, suitable for long-term, high-load work in the laboratory.
> Two speed ranges are adjustable, and the torque at low speeds can reach more than 5 times the torque at high speeds.
> A wide range of mixing impellers are available

TFT Display
TFT display with vivid luminance is easy to read, even from a long.

Precise speed control
Easy operation of all parameters using the central turning knob and touch key.
Accuracy ±1rpm

Working status indicator
Standby (blue) , Running (green) , Alarm (red).

Brushless DC motor
For long life span, low maintenance and quiet running.

Keyless chuck
It allows you to quickly and easily remove the stirring elements without any tools.
Clamping range: 0.5-10mm.

RS232 / RS485
The stirrer comes equipped with RS 232 and RS485 interface to control and document all parameters.

Automatic timing function, after start the stirring, the display will automatically start the function: countdown the running time.

Temperature measurement
Temperature measuring range: -10~350℃ Temperature measurement resolution: 0.1℃.

High Torque / High Speed
Offering the best mixing results, even for challenging applications.

The Pro Series stirrer can accomplish the most demanding tasks while providing the highest safety and increased performance life!
Sealed housing guarantees longevity and maintenance-free 24-hour operation in an aggressive environment.


Model WOHS-20 HPro
Order No. W3041060
Speed Range (rpm) 60~1200(I)
Torque max. at stirring shaft [N-cm] 170(I)
Maximum Stirring volume(L)H20 100
Maximum stirring viscosity (cps) 70000
Maximum Torque [N-cm] 170
Setting accuracy speed [rpm] 1
Deviation of speed measurement n > 300rpm ±3 %
Speed Display TFT
Speed setting Touch key and turning knob
Time setting range 99h59min59sec
Temperature measuring range[℃ ] -10~350
Temperature measurement resolution[℃ ] 0.1
Working status indicator Standby (blue) , Running (green) , Alarm (red)
Interface RS-232/485 and analog connection Yes
Power [W] 150
Motor principle Brushless DC motor
Stirring element fastening Keyless chuck, easy to install and replace the shaft
Chuck range diameter [mm] 0.5~10
Hollow shaft, inner diameter [mm] 10.2
Power supply 100~240VAC,50/60Hz



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