TEMPERATURE CONTROL

Refrigerated Circulating Baths & -80°C Ultra-Low Temperature Baths

Refrigerated circulating baths combine an accessible liquid bath with active heating, cascade refrigeration, and fluid circulation. They are selected for direct sample immersion, low-temperature material conditioning, sensor and logger comparison, controlled reaction support, and external equipment loops where working range, cooling capacity, stability, bath geometry, pump performance, and fluid compatibility must be evaluated together.

How to select a refrigerated circulating bath

Temperature range

Confirm the required minimum and maximum setpoints plus ambient conditions and expected heat load. A published minimum is normally a no-load capability unless stated otherwise.

Cooling capacity curve

Request capacity at the operating temperatures that matter to the application, not only the maximum capacity near room temperature.

Working space

Match the usable bath opening, depth, and fluid volume to the specimen, calibration probes, vessel, or immersion fixture.

Pump and external loop

For external circulation, confirm flow, pressure, connection size, hose compatibility, elevation, and pressure drop through the connected equipment.

Compliance & Standards

All products in the Refrigerated Circulating Baths category comply with international testing standards including:

ASTM Standards

EN Standards

AASHTO Standards

BS Standards

ISO Standards

Frequently Asked Questions

No. Water freezes far above -80°C. The correct heat-transfer fluid depends on the target temperature, viscosity, flash point, material compatibility, ventilation, and laboratory safety requirements.

Not automatically. Minimum temperature is commonly stated under defined no-load conditions. Provide the heat load, fluid, ambient temperature, external-loop volume, and desired pull-down time so cooling capacity can be checked at the target setpoint.

Include the operating range, target setpoints, heat load, bath or external-loop use, required working dimensions, fluid preference, pump requirements, ambient conditions, voltage and frequency, communication interface, and calibration documentation.

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