Lauda ALPHA Cooling Circulating Baths −25 to 100 °C

LAUDA Alpha Affordable cooling thermostats for maintaining temperatures from −25 to 100 °C in the lab

The cost-efficient choice for high-quality LAUDA thermostats

LAUDA Alpha offers reliable technology for temperature ranges from −25 to 100 °C. This line of devices is suitable for internal and external temperature control thermostating with non-flammable liquids (water and water/glycol). The thermostats are the perfect solution for most basic temperature control applications in the lab. Reduced down to the most essential functions, this affordable product line will win you over with its reliability and user-friendliness.

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.

Temperature range: -25...100°C

Important functions

  • Stainless steel bath vessels
  • Drain connection at the rear

Included accessories: Pump circulation set, bath cover, pump link for pump connections

Further accessories: Racks, tubing

Specific application examples:

  • Sample preparation in chemistry and pharmacy
  • Functional testing of electronic components
  • Test of slide bearings
  • Beer forcing test
  • Valve testing
  • Stress test
  • Notch bending test
  • Expansion testing
  • Brookfield test
  • Semi-conductor coating
Technical Specification
 Model    RA8  RA12 RA24
Catelogue number  L000641 L000642 L000643
Working temperature range °C -25…100 -25…100 -25…8100
Temperature stability ±K 0.05 0.05 0.05
Safety fittings   I, NFL I, NFL I, NFL
Heater power max. kW 1.5 1.5 1.5
Cooling output at 20°C kW 0.23 0.33 0.43
Cooling output at 0°C kW 0.16 0.26 0.33
Cooling output at -20°C kW 0.08 0.08 0.08
Pump type D D D
Pump pressure max. bar  0.2  0.2  0.2
Pump flow max. pressure L/min  15  15  15
Nipples  Øe 13 13 13
Bath volume L 7.5  14.5  22.0
Bath opening (w x D) mm  165 x 177  300 x 203  350 x 277
Bath depth mm  160  160  160
Usable depth mm 140 140 140
Height top of bath  mm 450 450 450
Dimensions (W x D x H) mm 235 x 500 x 605 365 x 500 x 605 415 x 605 x 605
Weight  kg 31.0 37.0 43.0
Power supply  V; Hz 230 V; 50Hz 230 V; 50Hz 230 V; 50Hz
Loading max.  kW 1.8 1.8 1.8
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Product Code Description List Price Offer Price
L000641 LAUDA Alpha RA 8 - Cooling thermostat 230 V; 50 Hz −25 to 100 °C POA POA ENQUIRE
L000642 LAUDA Alpha RA 12 - Cooling thermostat 230 V; 50 Hz −25 to 100 °C POA POA ENQUIRE
L000643 LAUDA Alpha RA 24 - Cooling thermostat 230 V; 50 Hz −25 to 100 °C POA POA ENQUIRE
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