Description
CF31 cryo compact thermostat is a highly compact refrigerated circulating thermostat offering 2 kW heating power and protection class III / classification 3 according to DIN 12876-1. The operating range extends from −30 °C to 200 °C. A stainless-steel bath with integrated cover provides a medium opening of 16 × 3 cm (W × D) and 14 cm depth for direct tempering of smaller objects. Immersion-pump connections (M16×1 external thread) enable external applications; two hose olives each for 8 mm and 12 mm internal-diameter tubing are supplied. The instrument features splash-proof membrane keypads, a bright VFD display plus LCD with operator guidance, high-precision ICC cascade temperature control, RS232/RS485 interfaces, electronically adjustable SMART PUMP stages, a Pt100 external-sensor connection for measurement and control in external systems, an integrated programmer for 6 × 60 program steps and TCF temperature-control features for control dynamics. A front drain tap simplifies emptying. Cooling data are stated per DIN 12876. Net weight is 35 kg. This CF-series model from manufacturer Julabo supports demanding external and bath tempering tasks in a minimal footprint.
This article is part of Circulators, chillers & thermostats, in Heating, drying & cooling.
Key features
- Pack size: 1 pc
- Product type: CF31
- Temperature range: −30 °C to 200 °C
- Heating power: 2 kW
- Bath opening (W × D / depth): 16 × 3 cm / 14 cm
- Interfaces: RS232/RS485, Pt100 external sensor
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Questions about CF31 Cryo-compact circulator
What is this article?
CF31 Cryo-compact circulator is the article on this page. Luminix Health distributes Julabo for laboratory use. It sits in Circulators, chillers & thermostats, inside Heating, drying & cooling, in Lab instruments.
A circulator or thermostat holds a bath liquid at a set temperature and pumps it through a jacket. A chiller is the same idea aimed below ambient. The temperature range, the cooling power and the pump flow are the three numbers. The fluid has to match the range.
Temperature equipment either holds a set point or drives a sample toward one. An oven dries. A furnace reaches the temperatures of ashing and melting. A bath surrounds a vessel with water or oil. A circulator moves that fluid. An incubator holds the mild warmth of a culture. An autoclave uses steam under pressure to sterilise. The number that matters is the temperature the article actually reaches, not the number painted on the dial. Temperature is part of the international system kept by the BIPM and compared by EURAMET.
Which category should I open next?
The category is Heating, drying & cooling. The sub-category is Circulators, chillers & thermostats. The catalogue is Lab instruments.
Shelves beside this one are Muffle & tube furnaces, Heating mantles, Drying ovens & climate chambers, Water & oil baths, Hot plates & heating blocks, Incubators, Heating & cooling (other), Temperature control accessories, Laboratory refrigerators & freezers, Autoclaves & sterilisers, Bunsen & gas burners and Heating tapes, cables & plates.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.












