Ohaus e-G21ST07R Magnetic Stirrer – 15 L
€364,00 excl. VAT
The Ohaus e-G21ST07R magnetic stirrer is a robust laboratory stirrer designed for everyday mixing tasks.
As part of the Ohaus Guardian 2000 series, it delivers reliable and consistent stirring performance.
The large 17.8 × 17.8 cm resin top plate accommodates bigger vessels with ease.
Simple analog knob control allows intuitive speed adjustment.
Suitable for stirring volumes up to 15 litres.
Ideal for education, research and routine laboratory environments.
OHAUS E‑G21ST07R Magnetic Stirrer – Robust 15 L Analog Mixing with Resin Top Plate
The Ohaus e-G21ST07R magnetic stirrer is designed for dependable and consistent stirring in general laboratory applications. Belonging to the Guardian 2000 series, this model combines a rugged construction with straightforward operation, making it well suited for daily laboratory workflows.
The stirrer is equipped with a large square resin top plate (17.8 × 17.8 cm), providing ample surface area for larger flasks and beakers. With a stirring speed range of 200 to 1600 rpm, the e-G21ST07R can handle a wide variety of mixing tasks with volumes up to 15 litres.
Analog speed control ensures easy and precise adjustment, while the durable metal housing is designed to withstand demanding laboratory conditions. A built-in support rod holder allows the use of optional clamps and accessories, increasing flexibility for different experimental setups.
The Ohaus e-G21ST07R magnetic stirrer is ideal for sample preparation, dissolving buffers and reagents, media preparation and other routine stirring applications in teaching, research and quality control laboratories.
Specifications Ohaus e-G21ST07R magnetic stirrer
| Specification | Value |
|---|---|
| Model | e-G21ST07R |
| Product type | Magnetic stirrer |
| Control | Analog |
| Speed range | 200 – 1600 rpm |
| Maximum stirring volume | 15 L |
| Top plate size | 17.8 × 17.8 cm |
| Top plate material | Resin |
| Dimensions (H × W × D) | 11.2 × 31.8 × 22.3 cm |
| Net weight | 2.8 kg |
| Power consumption | 35 W (220–240 V) |
| Power supply | 220–240 V ~1 A, 50/60 Hz |
| Working environment | 5–40 °C, max. 80% RH (non-condensing) |
| Included accessories | PTFE-coated stir bar |
Options Ohaus e-G21ST07R magnetic stirrer
The following accessories are compatible with the Ohaus e-G21ST07R magnetic stirrer, based on the Guardian 2000 accessories compatibility table (red dot = compatible):
Vessel clamp
Stir bar retriever
Connecting clamp S/S grip 13 mm × 13 mm
Support rod S/S Ø13 × 450 mm (M10 thread)
Specialty column clamps (CLS-COLMNSS / SM / SL / SX)
Specialty nester clamp (CLS-NESTXS)
PTFE stir bars:
2.5 cm
3.8 cm
7 cm
10 cm with pivot ring
PTFE stir bar with pivot ring 3.8 cm
Thermometer holder kit e-G31
Alternative Magnetic stirrers

- Speed Range: 200–1600 rpm
- Stirring Capacity: Up to 15 L
- Top Plate Size: 10.2 × 10.2 cm
- Control Type: Analog
- Top Plate Material: Resin
€338,00 excl. VAT

- Speed Range: 200–1600 rpm
- Stirring Capacity: Up to 15 L
- Top Plate: Ø 13.5 cm
- Control Type: Analog
- Top Plate Material: Ceramic-coated stainless steel
€328,00 excl. VAT
