Constant temperature thermostatic bath Alpha RA 12

refrigeratedstainless steelheated

Product summary
Alpha RA 12 is a thermostatic bath-circulator designed for laboratory and process temperature control from -25 to 100 °C. Delivered with bath cover and pump connections, it integrates an air-cooled refrigeration system with compressor automation to extend compressor life and reduce operating costs. The stainless steel bath and rear outlet facilitate connection and maintenance.

Key features

• Thermostatic bath/circulator with simple operation and integrated refrigeration
• Fully electronic continuous controller with 1-line LED display
• Circulating pump with flow reduction and rear outlet connection
• Air-cooled condenser with compressor automatic (energy-saving)
• Low-level and overtemperature protection for use with non-flammable liquids
• Stainless steel bath; includes bath cover and pump connections
• User-friendly 3-key menu guidance; acoustic and visual alarms
• Operates with conventional refrigerants (HFCs) in accordance with EU Regulation (EU) 573/2024

Working range

• Min. working temperature: -25 °C
• Max. working temperature: 100 °C
• Temperature stability: 0.05 ± K

Cooling capacity (50 Hz)
Temperature | Tempering medium | Cooling capacity 50 Hz
20 °C | Ethanol | 0.325 kW
0 °C | Ethanol | 0.26 kW
-20 °C | Ethanol | 0.08 kW


Technical data (according to DIN 12876)

• Model: Alpha RA 12 — Part no.: L000639
• Working temperature range: -25 ... 100 °C
• Ambient temperature range: 5 ... 40 °C
• Temperature stability: 0.05 ± K
• Heater power (max): 1.5 kW
• Max. power consumption: 1.8 kW
• Current consumption: 8 A
• Max. discharge pressure: 0.2 bar
• Max. pump flow: 15 L/min
• Bath volume (min/max): 9.5 / 14.5 L
• Bath material: stainless steel
• Dimensions (W x D x H): 365 x 500 x 605 mm
• Weight: 37 kg
• Power supply: 220 V; 60 Hz / 230 V; 50 Hz
• Power plug: Power cord with angled plug (CEE7/7)