Thermo Scientific™ Vari-Mix™ and Speci-Mix™ Test Tube Rockers

Obtain uniform specimen suspension with the smooth rocking action of these compact, precision-controlled platform mixers.

Manufacturer: Thermo Scientific™ M48725Q

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Catalog No. 12-815-3Q

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Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter. Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.


    Speed 2 to 20rpm
    Type Rockers
    Temperature Range (Metric) 17° to 27°C (Operating)
    Length (English) 5.5 in.
    Tube Capacity 16 (10-20mm); 7 (22-30mm)
    Length (Metric) 13.9cm
    Shipping Weight (English) 5.8 lb.
    Speed Range 2 to 20rpm
    Rocking Angle Adjustable rocking from 1° to 48° angle
    Model Vari-Mix Test Tube Rocker
    Humidity Range 20 to 80%
    Height (English) 4.3 in.
    Width (English) 15 in.
    Height (Metric) 10.7cm
    Hertz 50Hz
    Dimensions (L x W x H) 5.5 x 15 x 4.3 in. (13.9 x 38.1 x 10.7cm)
    Electrical Requirements 120V 50Hz
    Voltage 120V
    Width (Metric) 38.1cm
    Shipping Weight (Metric) 2.6kg
    Amperage 0.08A

    Obtain uniform specimen suspension with the smooth rocking action of Thermo Scientific™ Vari-Mix™ and Speci-Mix™ Test Tube Rockers. Compact and precision-controlled platform mixers, all models hold 10 to 30mm diameter tubes and are ideal for blood collection tubes.

    • Choose from fixed or adjustable speeds
    • Reversible pad provides one side (with lip to prevent sliding) for capped tubes 110mm (4.33 in.) long; other side for longer tubes
    • Autoclavable white silicone rubber pad enhances viewing
    • Can be used in a noncondensing incubator or coldroom with ambient operating conditions of 4° to 40°C (39.2° to 104°F) and 20 to 80% RH noncondensing
    • Includes white silicon rubber friction grip pad for holding tubes in place

  • Description & Specifications

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