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Heating and Cooling Thermostats Alpha, LAUDA

LAUDA Alpha is the cost-effective choice in the area of high-quality LAUDA thermostats in the temperature range from -25 up to 100 °C. This well-priced equipment range is made possible by minimizing any unnecessary features, with the focus on reliability and user-friendliness. The thermostats are suitable for operation with non-flammable liquids (water, water/glycol) and for both internal and external thermostating tasks. A 1-point-calibration of the thermostats can be carried out by the user.

  • 3-keys operation with large and brilliant LED display. Resolution of indication of 0.1 °C
  • Pressure pump with 0.2 bar pressure and 15 L/min pump flow
  • Pump reduction for reducing the flow rate from 15 to 5 L/min as standard
  • Temperature range from 25 to 100 °C and temperature stabilitiy of +/- 0,05 K
  • Integrated timer function for automatic shut-down of the device
  • 1-point calibration can be performed by the user
  • Safety functions such as alarms, warnings and malfunctions are indicated on the LED display
Immersion Thermostat
TypeTemp. range
°C		Heater cap.
kW		Pump pressure
bar		Flow rate
l/min		Order No.
A25 – 1001.50.21510 23 30226


Heating thermostats
TypeTemp. range
°C		Heater cap.
kW		Bath vol.
l		Bath opening W × D
mm		Bath depth
mm		Order No.
(1)A 625 – 1001.52.5 – 5.5145×16115010 23 30733
A 1225 – 1001.58 – 12235×16120010 23 30734
A 2425 – 1001.518 – 25295×37420010 23 30735


Accessories for immersion and heating thermostats
ArticleOrder No.
Pump circulation set10 23 32005
Cooling coil10 23 32004


Accessoires for heating thermostats
ArticleOrder No.
Bath cover set A 610 23 33006
Bath cover set A 1210 23 33007
Bath cover set A 2410 23 33008


Cooling thermostats
TypeTemp. range
°C		Heater cap.
kW		Cooler power
kW		Bath vol.
l		Bath opening W × D
mm		Bath depth
mm		Order No.
(2)RA 8-25 – 1001.50,2255 – 7.5165×19016010 23 31907
RA 12-25 – 1001.50,3259.9 – 14.5300×19016010 23 31908
RA 24-25 – 1001.50,42514 – 22350×29016010 23 31909