Alpha Kältethermostate
Affordable cooling thermostats for maintaining temperatures from -25 to 100 °C in the lab
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Back to overview Cooling thermostats

Affordable low-temperature thermostats for temperature control from -25 to 100°C in the lab

The most affordable choice for high-quality LAUDA thermostats. LAUDA Alpha offers reliable technology and state-of-the-art design for temperature ranges from -25 bis 100 °C.

This product line is suitable for internal and external temperature control with non-flammable liquids (water and water/glycol).

The thermostats are the perfect solution for most basic temperature control applications in the lab. Reduced to the most essential functions, this affordable product line will win you over with its reliability and user-friendliness.

Overview

Benefits and added value

  • Stainless steel bath vessels
  • Drain connection at the rear
  • Pump connections, bath cover, short-circuit hose for pump connections as standard equipment
  • Racks and hoses as accessories

Working range

The cooling thermostats RA 8, RA 12 and RA 24, including standard-issue bath covers and pump connections, facilitate cooling across the entire temperature range from -25 to 100°C. Automatic compressor control extends the service life of the compressor and offers savings on operation costs.

Min. working temperature

-25 °C

Max. working temperature

100 °C

Temperature stability

0.05 ± K

Product lines

Select up to 4 technical parameters that you want to display in the table

Product Min. working temp Max. working temp Heater power max. Cooling output at 20 °C 50 Hz Compare product
Alpha RA 8 -25 °C 100 °C 1.5 kW 0.225 kW Details
Alpha RA 12 -25 °C 100 °C 1.5 kW 0.325 kW Details
Alpha RA 24 -25 °C 100 °C 1.5 kW 0.425 kW Details

Device dimensions

415 x 605 x 605 mm

Alpha RA 24

365 x 500 x 605 mm

Alpha RA 12

235 x 500 x 605 mm

Alpha RA 8

Characteristics

Downloads - general product data

Please select which documents you would like to see in which language:

Available documents
Available languages
Device Device category Document type Language Format File size

Alpha (new design)

 Immersion thermostats Operating instructions
English
PDF 2,64 MB Download document

Alpha (new design)

 Bath thermostats Operating instructions
English
PDF 2,64 MB Download document

Alpha

 Immersion thermostats Operating instructions
English
PDF 1,17 MB Download document

Alpha

 Bath thermostats Operating instructions
English
PDF 1,17 MB Download document

Chapter Cooling thermostats
Overall brochure

 Bath thermostats Brochure
English
PDF 3,37 MB Download document

Chapter Heating thermostats
Overall brochure

 Bath thermostats Brochure
English
PDF 4,12 MB Download document

Accessories

Please use the LAUDA accessories finder for additional accessories.
LAUDA accessory finder

Do you need additional information or do you have questions?


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Heating thermostats

  • Various performance classes from entry-level to high-end
  • Temperature range 20 °C to 300 °C
  • Temperature stability ± 0.01 K
  • Bath sizes from 2.5 L to 40 L, bath vessels of stainless steel (insulated)
  • Various interface modules
To Heating thermostats

Cooling thermostats

  • Various performance classes from entry-level to high-end
  • Temperature range -100 °C to 200 °C
  • Simply sustainable - can be used with natural refrigerants
  • Bath sizes from 3.3 L to 44 L, bath vessels of stainless steel (insulated)
  • Various interface modules
To Cooling thermostats

Circulation and process thermostats

  • Temperature control thanks to refrigerants or Peltier technology
  • Devices with open bath systems and with pressure overlays
  • Compact design
  • Temperature range -90 °C to 320 °C
  • Cooling output 0.06 to 25 kW
To Circulation and process thermostats

Calibration thermostats

  • Temperature range -25 °C to 200 °C
  • Constant immersion depth thanks to a calibration chamber with overflow principle
  • Various sizes, bath openings and usable depths available
  • Extensive range of accessories
  • Better heat transfer as compared to heating cabinets and metal block thermostats
To Calibration thermostats

Immersion and bridge thermostats

  • Temperature control for any bath vessels, heating output up to 3.5 kW
  • Telescoping rod for baths from 310 to 550 mm width
  • With various pump models: Pressure-suction pump or high-performance pressure pumps
  • For different bath depths up to 320 mm
  • Selectable control head depending on the required functional scope
To Immersion and bridge thermostats

Applications and industry examples for LAUDA thermostats

Biotechnology

In biotechnology, temperature control is essential when it comes to the quality of research and production results.

To the industry solutions

Research & development labs

Temperature control in research and development is especially important in the sample preparation and quality assurance sectors.

To the industry solutions

Medical technology

In medical technology, temperature control is used above all in the laboratory for sample preparation and for medical devices.

To the industry solutions

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