SWB-20L-1 | Stirring water bath with one built-in magnetic stirrer and polycarbonate lid, 20 L capacity

Key Features

  • Microprocessor control for precise and accurate performance
  • Built-in magnetic stirring mechanism ensures outstanding temperature uniformity
  • Stirring speed control
  • LCD screen shows temperature and time simultaneously
  • User temperature calibration
  • Warning indicator and automatic shut down to avoid overheating
  • Clear concave polycarbonate lid directs condensation back into the bath
  • Optional data logging software available


This microprocessor-controlled stirring water bath from Major Science provides precise temperature control and excellent mixing performance for a wide range of laboratory applications. The built-in stirring mechanism not only provides outstanding temperature uniformity throughout the bath but also provides a stirring function for mixing samples.

Additional features of the stirring water bath include a variable stirring speed control and an LCD screen to display bath temperature and time simultaneously. The concave polycarbonate lid is designed to direct condensation back into the bath and a shutdown mechanism warns of overheating and automatically turns off the bath.

Optional data logging software (SWB-DLSW-R) is available for real time data recording through a PC.


ManufacturerMajor Science
Model NumberSWB-20L-1
No. of stirring mechanisms
Stirring speed
400 - 1500 rpm (measured by percentage)
Bath volume
Up to 20 L
Maximum capacity
15 x 250 mL flasks: 8 x 500 mL flasks
Water circulation function
Heating power
800 W
Digital microprocessor control
Bath temperature
5ºC above ambient to 99ºC
Temperature increment
Temperature accuracy
±0.2ºC at 37ºC
Temperature calibration
0 - 99 hr:59 min or continuous
Safety device
Warning indication on screen with alarm and automatic shutdown
Operating temperature
Ambient to 40ºC
Bath inner dimensions
(W x D x H)
300 mm x 500 mm x 150 mm
Overall dimensions
(W x D x H)
330 mm x 540 mm x 240 mm (without polycarbonate lid)
Bath external material
Painted iron metal
Bath tank material
304 stainless steel
Lid material
Polycarbonate with stainless steel handle
Rear Drainage Port
14 Kg
Rated voltage
110 V/ 220 V
Communication port

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About Us

Advance Scientific Products Pty Ltd is based in Queensland and is focused on delivering high-quality products and service to our customers in the life, chemical and analytical sciences across Australia.

The company was established in 2013 by experienced instrumentation specialists to provide full distribution and customer support capability to manufacturers seeking to expand their activities in Australia without having to create their own sales and marketing infrastructure.


PO Box 746
Moffat Beach, QLD, 4551, Australia