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  • Photograph of Ohaus Standard 4-Position Stirrer.
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Ohaus Standard (4 or 9) Multi-Position Stirrer

Item #: 23234

Normal Availability: 2-3 business days

Product Description

Ohaus Standard Multi-Position (4 or 9) Stirrers are powerful magnetic stirrers with precise speed control that offer repeatable performance. Synchronized operation ensures uniform mixing at each position.  The speed adjustment knob has markings from 1-10 and the microprocessor regulates adjustments throughout the range.

These Multi-Position Stirrers are supplied with a 1” (2.5 cm) PTFE coated stir bar for each position. The units include a 2 year, industry leading limited warranty on parts and labor.

The stirrers can be run in conditions from 5 to 40 °C (41 to 104 °F), 20% to 80% relative humidity, non-condensing.  These units are available in 120 or 230 V and with 4 (Model STMP4AL) or 9 (Model STMP9AL) stirrer positions.

Full specifications and comparisons for this and related units are available as a PDF download.

Accessories: Stir bar retriever (item # H-30500598), Spinbars (item # H-23211).

Number of Positions Maximum Capacity (mL) Maximum Vessel Diameter (in)
4 1,000 5.1
9 250 3

These units replace Talboys (4 or 9) Multi-Position Stirrers (986350, 986351, 986362, 986363).



WARNING: OHAUS products can expose you to chemicals including the chemicals listed in this Table, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to

These and other Proposition 65 chemicals may be present only in residual amounts, or contained internally in OHAUS equipment, or encapsulated in another material where exposure is unlikely or negligible. This warning is being provided out of an abundance of caution.

Other Details

Manufactured in: USA

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