Stuart SBS40 Shaking Water Bath

Code: SBS40
  • Temperature ambient +5°C to 99.9°C
  • Shaking speed 20 to 150rpm
  • 24-litre capacity

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The Stuart SBS40 by Cole Parmer is a versatile water bath that can be a linear or orbital shaker or used as a static bath, depending on the platform you choose. Platforms have high-tension springs that accommodate most bottle and flask sizes, with a capacity of 8 x 250 mL, 6 x 500 mL, or 4 x 1000ml Erlenmeyer flasks. The platforms require no special fitting and use strong magnets, which couple to the drive unit underneath the stainless steel tank. A choice of cover (stainless steel or plastic) reduces heat loss and evaporation, required to reach temperatures above 90°C.

The heater is mounted underneath the tank to allow easy cleaning. A drain is included for the emptying of the bath. The speed and temperature controls are easy to use. The shaking speed is adjustable, and electronic feedback control ensures accurately maintained speed. The water bath temperature is set and monitored via the easy-to-read LED display.

A low-level water sensor causes a warning to flash on display to indicate when the water level is low, cutting power to the heater to prevent the bath from boiling dry. The over-temperature protection system tracks the set temperature and controls the heater in the event of a fault.

A range of stainless steel accessories is available to accommodate popular tube types ranging from 1.5ml microtubes to 50ml centrifuge tubes. The polycarbonate cover can be hinged on either side of the bath, depending on preference. A perforated platform is available when you need a standard water bath without shaking action.

*Notes: Shaking Platforms and Covers must be ordered separately. There is a gap between the edge of the SBS40 and the SBS40/4 to allow excess steam to escape and condensate to fall back into the bath. This is a design intent, not a fault, as a leak-tight seal would create an unsafe pressure chamber.

SBS40 accessories


  • Temperature stability ±0.25°C
  • Shaking orbit/amplitude 20mm
  • Internal dimensions, mm (w x d x h) 300 x 500 x 200
  • Overall dimensions, mm (w x d x h) 335 x 580 x 330
  • Net weight 17kg
  • Power 1400W
  • IP Rating 31

Order Information

12152-02: SBS40 Water Baths Waterbath, shaking (without platform) 230v, 50hz
12152-01 is 230v, 60hz model
12152-00 is 120v, 60hz model


SBS40/1 Platform, Linear shaking action
SBS40/2  Platform, Orbital shaking action
SBS40/3 Platform, Perforated
SBS40/4 Cover, Polycarbonate, hinged
SWB3/1 – Stainless steel cover
SBS40/5 Rack 143 x 1.5ml microtubes
SBS40/6 Rack, 120 x 13mm culture tubes
SBS40/7 Rack, 72 x 16mm culture tubes
SBS40/8 Rack, 56 x 15ml centrifuge tubes
SBS40/9 Rack, 30 x 26mm culture tubes
SBS40/10 Rack, 25 x 50ml centrifuge tubes

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Additional information

Weight 0.09 kg