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Stirred Water Bath

Stirred Water Bath Thermostat

Designed for chemical, pharmaceutical, medical and biological laboratory research.

Easy set up, high temperature maintenance accuracy, compact size and attractive modern design make this water bath widely used.

Volume 4 litres

WB-4MS Water Bath with different Racks

WB-4MS provides increased temperature stabilization (up to 0.1°C) due to built-in magnetic stirrer (regulated speed 250–1,000 rpm).
Simultaneously up to 2 tube racks can be installed.

Accessories for WB-4MS Water Bath


Test tube rack for microtest tubes 2 / 1.5ml
Capacity: 44 micro tubes


Test tube rack for Ø 16 - 19 mm tubes
Capacity: 16 tubes


Test tube rack for Ø 30 mm tubes
Capacity: 5 tubes

Example sketch

Rack TR-30/13

Test tube rack for Ø 10 -13 mm tubes
Capacity: 30 tubes


Order No.104.4500
Tank capacity4 litres
Temperature setting range+25 °C up to +100 °C
Temperature control range5 °C above ambient up to +100 °C
Temperature setting resolution0.1 °C
Temperature stability±0.1 °C
Temperature uniformity at +37 °C±0.1 °C
Stirring speed control range250 - 1000 rpm
Digital time setting1 min - 96 hrs / non-stop (increment 1 min)
DisplayLCD, 2 x 16 signs
Digital setting of temperature, time and mixing speed+
Plastic lid with stainless steel interior included+
Quiet operation+
Working volume235 x 135 x 110 mm
Overall dimensions (W x D x H)340 x 270 x 250 mm
Weight3.4 kg
Nominal operation voltage230 V, 50/60 Hz
or 120 V, 50/60 Hz
Power consumption230 V, 50 Hz/600 W (2,6 A)
120 V, 60 Hz/670 W (5,6 A)
100 V, 50/60 Hz/600 W (6,0 A)


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