Thermo Fisher Scientific - Thermo Scientific CIR19 Circulating Bath

• Maintaining precise temperatures for laboratory samples and reagents.
• Controlling the temperature of external devices such as refractometers, viscometers, and electrophoresis units.
• Performing calibration procedures requiring stable temperature environments.
• Supporting biotechnology and pharmaceutical research for cell culture and reaction control.
• Facilitating quality control processes in industrial settings requiring temperature-controlled testing.

Typical temperature range

Commonly spans from approximately -20°C to +150°C, depending on the specific model and cooling/heating capabilities.

Typical bath volume

For this class of equipment, bath volumes typically range from 5 to 20 litres.

Temperature stability

Units like the CIR19 are designed to offer high temperature stability, often within ±0.01°C to ±0.05°C.

Pumping capacity

Typically features a robust internal pump, offering flow rates commonly between 10 to 20 litres per minute for external circulation.

Power supply

Commonly operates on standard laboratory single-phase power, typically 230V, 50Hz in the UK.

Construction materials

Units of this type commonly feature a stainless steel bath reservoir for durability and chemical resistance.

• What is a circulating bath used for?

  A circulating bath is used to maintain a precise and stable temperature for samples within its bath or to circulate temperature-controlled fluid to an external device.

• Does this unit require a specific type of fluid?

• What maintenance is typically required for a circulating bath?

• Can this unit be used for both heating and cooling?

• Is calibration necessary for this equipment?

Chillers and recirculating coolers hold strong reputation in laboratory and biotech sectors for temperature stability and process reliability. Buyers typically prioritise checking refrigeration system condition, pump functionality, and temperature control accuracy when purchasing used units. Industry sentiment favours models with robust construction and established service records. Common strengths include consistent cooling performance, energy efficiency relative to age, and durability when properly maintained. Verification of calibration history and cooling capacity specifications remains essential before purchase to ensure suitability for sensitive applications.

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