Cooling thermostat Alpha RA 8

laboratorybenchtopdigital

Product description
The cooling thermostats RA 8, RA 12 and RA 24, including standard-issue bath covers and pump connections, provide controlled cooling across the full temperature range from -25 to 100 °C. Automatic compressor control improves compressor lifetime and reduces operating costs, while the stainless steel bath ensures chemical compatibility for common laboratory and industrial fluids.

Features

• Thermostatic bath/circulator with straightforward operation and integrated cooling system
• Fully electronic continuous controller with 1-line LED display for actual or set temperature
• Circulating pump with adjustable flow reduction
• Air-cooled condenser
• Low level and overtemperature protection suitable for non-flammable heat transfer liquids
• Stainless steel bath with rear outlet connection
• Intuitive 3-key menu for easy operation
• Acoustic and visual alarm signals
• Energy-saving compressor automatic control
• Uses conventional HFC refrigerants in compliance with EU regulation (EC) 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 | 0.225 kW
0 °C | Ethanol | 0.16 kW
-20 °C | Ethanol | 0.08 kW

Technical specifications

• 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): 5.0 / 7.5 L
• Dimensions (W×D×H): 235 × 500 × 605 mm
• Weight: 29 kg
• Power supply: 220 V; 60 Hz / 230 V; 50 Hz
• Power plug: Power cord with angled plug (CEE7/7)