Julabo Refrigerated Circulator DYNEO



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The innovative refrigerated circulator from Julabo

The DYNEO refrigerated circulator from Julabo is used in many different fields due to its wide operating temperature range. These include industrial, histological, microbiological, clinical and environmental laboratories. Here it is used for material stress tests, temperature simulations and reactor temperature control due to its precise operation.

The instruments in this range are characterized by their simple and intuitive operation. With the unique central rotary knob, the thermostat can be adjusted according to the specific needs.

The main features

The model is a very easy-to-use laboratory instrument. It has a multilingual, 3.5-inch color TFT display. The device can be operated via a central rotary knob. This can also be used to select very quickly between external and internal circulation.

A very powerful pump is installed in the device. This has a flow rate of up to 27 liters per minute. To remove the water again from the precisely working thermostat, a drain cock is installed for complete draining.

The other equipment of the model is very innovative. The device can be supplied with different interfaces, depending on the model. Optionally, you can choose between an analog or an RS 232 interface. A USB port, on the other hand, is available on every model. An external Pt100 connection is also integrated.

Further models of the DYNEO series

The manufacturer has launched different models of this product series. The difference between the devices of this series are the different maximum thermostat temperatures, which are at +100 °C and at +200 °C.

On the other hand, the lowest temperatures for the cooling function are -50 °C, -38 °C, -35 °C, -25 °C and -20 °C, depending on the device. As the models each have a different shape, the dimensions and weight also vary depending on the device.

The technical data

The technical data listed below gives a brief overview of the advantages of the presented model.


The device has the dimensions of 23 cm x 39 cm x 65 cm with a weight of 25.7 kg. Due to the weight, the model has a firm stand. The pump connection thread is a M16x1 male thread.


The power of the model is 2 kilowatts when heating. In contrast, the cooling capacity is specified depending on the temperature. At 0 °C this is 0.15 and at -20 °C 0.02 kilowatts. Ethanol is used as the medium. The refrigerant is R134a.

The unit's submersible pump has a flow rate of 8 to 27 liters per minute. The delivery pressure of the pressure pump is specified as 0.1 to 0.7 bar.


The bath vessel is made of corrosion-resistant stainless steel. The cover of the bath is integrated, and the usable bath opening is 13 cm x 15 cm. There is more space in the vessel than in other thermostats due to the use of an optimized cooling coil.

Working area

The laboratory instrument has a very wide working temperature range. It lies between – 20 °C and + 200 °C. The temperature constancy of the device is ±0.01 °C. With a permissible ambient temperature of +5 °C to +40 °C, the model can be used in most laboratories.

Get advice now

Our trained service team wants you to get the right materials for your needs. Do you have any questions about the different instruments, their modes of operation or our brand manufacturers?

We look forward to hearing from you and will be happy to help. You can reach us by phone at +49 30 2096579 00 or by e-mail at [email protected]

Additional information

Weight N/A
Dimensions N/A
Thermostat Temperature max.

+100°C, +200°C

Lowest temperature (cooling function)

-20°C, -25°C, -35°C, -38°C, -50°C


cooling, heating, heizen, kühlen


Kältemittel, refrigerant

Refrigeration machine

air-cooled, luftgekühlt