OHAUS reciprocating shaker SHRC0719DG

OHAUS reciprocating shaker SHRC0719DG

The OHAUS SHRC0719DG reciprocating shaker provides laboratory professionals with a precise shaker designed for a wide range of applications such as extraction procedures, cell cultures and gentle or intensive mixing of various samples. Thanks to its smooth back and forth movement, the device enables reliable, repeatable results and offers optimum protection for samples and users thanks to its sophisticated safety functions. Although many similar systems also allow reciprocal shaking, the robust design and variable features make this model particularly convincing in everyday laboratory work.

Versatile application possibilities

This device is designed for the uniform mixing and homogenisation of samples, which is essential in chemistry laboratories for solubility studies or in biology for the preparation of cell cultures, for example. Blood and other medical samples can also be moved at a controlled speed to ensure consistent quality of results. As it is designed for continuous operation, it is ideal for demanding continuous applications and retains its precision even under intensive load.

The ability to hold up to 6.8 kg of sample material and the modular adaptability thanks to various platforms and holders offer maximum flexibility. Whether Erlenmeyer flasks, cell culture bottles, test tubes or even separatory funnels - the stable shaker can be configured with specific accessories for almost any application. In addition, the brushless DC motor ensures maintenance-free continuous operation, while ball bearings with permanent lubrication guarantee quiet and reliable operation.

Performance data at a glance

- Speed range: 20 to 300 rpm
- Load capacity up to max. 6.8 kg
- 19 mm stroke for gentle or intensive reciprocating mixing
- Digitally controlled speed and timer up to 160 hours
- Robust aluminium bowl (27.9 x 33 cm) with non-slip rubber mat
- RS232 interface for easy data communication
- CE and TÜV certified

In addition to these key data, it is worth emphasising that the speed accuracy is ±2 rpm (over 100 rpm ±2 % of the set speed). This allows the shaking behaviour to be precisely calibrated and adapted to the respective process specifications. In addition, the gentle speed ramp-up prevents sudden overspray of sensitive liquids, which increases safety in the laboratory. Should an imbalance occur in the load, a load sensor registers the imbalance and automatically reduces the speed to protect samples and users.

Special features and design

Thanks to its compact design (dimensions: 41.3 x 14.9 x 35.5 cm), this model can be easily accommodated even in smaller laboratories. The housing made of cold-rolled steel (CRS) gives the device a stable stand and ensures low vibration during operation. Behind the digital control is a modern electronic system that clearly displays all parameters on LEDs. The desired speed and time can be checked at a glance. The integrated timer function ranges from seconds to 160 hours, so that the shaker covers both short-term and very long-lasting applications.

In addition, different platforms can be purchased that are specially adapted to various vessels. A separatory funnel platform enables precise extraction of organic phases, while corresponding holders are available for gel staining or other biochemical processes. This flexible configuration ensures that the device can be customised to the individual laboratory workflow.

Concrete application examples

1. Cell cultures: Shaking cell culture flasks or microplates at 20 to 300 rpm ensures optimum aeration and mixing of the culture media.
2. Chemical extractions: The 19 mm stroke achieves thorough yet controlled mixing of samples with solvents, for example when extracting from solids or preparing organic phases.
3. Gel staining: When used in molecular biology, uniform staining and destaining of gels can be achieved without uneven effects at the edges.
4. Blood sample mixing: For haematological tests, uniform mixing is essential to achieve precise test results and avoid sample errors

Frequently asked questions (FAQ)

How do vibrations affect work in the laboratory?

The device is designed to operate with very low vibration thanks to its solid housing made of cold-rolled steel. This means that other sensitive devices or experiments in the vicinity are not disturbed.

Do you need special tools to change accessories?

As a rule, platforms and mounts can be replaced quickly and with few tools. Simple screw connections or click systems ensure a smooth changeover.

What happens in the event of an overload

If the sample load is too high or unevenly distributed, the load sensor intervenes. It automatically reduces the shaking speed to a safe level and thus prevents damage.

Is the appliance suitable for continuous operation?

Yes, thanks to the brushless DC motor and permanently lubricated ball bearings, the shaker is designed for long-term use. Many users run it for days or even several weeks without any problems.

How can the accuracy of the speed be calibrated?

The shaker has an integrated speed calibration function. The speed can be regularly checked and fine-tuned using external reference knives.

Conclusion

The OHAUS SHRC0719DG reciprocating shaker delivers optimum results in a wide range of laboratory areas thanks to its flexible platform selection, high load capacity and precise control. Whether sensitive cell cultures, chemical extractions or blood analyses: the device is characterised by robust technology, reliable safety systems and adaptability. With its CE and TÜV certifications, torsion-resistant housing and convenient speed calibration, this shaker offers a professional solution that masters even the most demanding requirements with ease.