What is the primary difference between a circulating bath and a standard water bath?

A circulating bath includes a pump to circulate the temperature-controlled fluid, allowing for precise external temperature control of connected equipment or more uniform internal bath temperatures. Standard water baths primarily offer static heating.

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

This specific model, the CIR19, is a circulating heating bath. For applications requiring temperatures below ambient, a refrigerated circulating bath (chiller) would typically be required, or an external cooling coil could be used with this unit.

What kind of fluid should be used in a circulating bath?

For temperatures up to 100°C, deionised water is commonly used. For higher temperatures or specific applications, heat transfer fluids such as silicone oil or ethylene glycol solutions may be required. Always consult the manufacturer's guidelines.

Is specialist installation required for this type of equipment?

Typically, circulating baths are plug-and-play, requiring connection to a suitable power supply and filling with the appropriate fluid. However, if connecting to complex external systems, professional plumbing or technical expertise may be beneficial.

What maintenance is typically involved for a circulating bath?

Routine maintenance commonly includes regular cleaning of the bath reservoir, periodic fluid changes, and inspection of tubing and connections for leaks or wear. Keeping the unit free from scale and algae build-up is crucial for optimal performance.

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Thermo Scientific CIR19 Circulating Bath

Used Thermo Scientific CIR19 Circulating Bath - Water Baths & Heating Baths, photo 1

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Used Thermo Scientific CIR19 Circulating Bath - Water Baths & Heating Baths, photo 10

Used Thermo Scientific CIR19 Circulating Bath - Water Baths & Heating Baths

used Equipment

Available

Verified seller

Thermo Fisher Scientific - Thermo Scientific CIR19 Circulating Bath

Name: Thermo Scientific CIR19 Circulating Bath
Brand: Thermo Fisher Scientific
SKU: UR58305
Price: 800 GBP
Availability: InStock

Price: £ 800

This listing is for Thermo Scientific CIR19 Circulating Bath.

The unit is in full working condition and ready for immediate use.

This laboratory immersion circulator delivers exceptional temperature stability for sensitive samples.

It features an intuitive digital controller, robust pumping capacity, and a durable stainless steel bath reservoir, making it perfect for routine clinical, industrial, or academic research application workflows.

Transparency Report and Technical Audit:

Source Pedigree: Biotech / Research Facility
Condition: Direct-from-Bench (Decontaminated/Original)
Power-On Test: Verified; Digital display active, lighting operational, and fan system engaged.
Integrity: 100% Original Parts (Non-Refurbished)

Software and Media Disclosure:

As a Direct-from-Lab asset, any original software media or accessories found with the unit are included as a courtesy.

Licensing Notice:

We do not provide, transfer, or guarantee software licenses or keys.

The buyer is responsible for all software licensing, registration, and workstation compatibility via the manufacturer.

Notice for Procurement:

This unit is sold As-Is, Where-Is.

While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration.

Ideal for labs with in-house technical expertise or existing service agreements.

Sustainability Impact:

By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams.

Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory.

Cambridgeshire, United Kingdom

5,773 km away

Model Number

CIR19

Stock Number

UR58305

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Precise temperature control for external devices such as refractometers, viscometers, and jacketed vessels.
Sample incubation and conditioning in biotechnology and pharmaceutical research.
Temperature calibration of sensors and probes in quality control laboratories.
Material testing requiring stable temperature environments for polymers, chemicals, and other substances.
General laboratory heating and cooling applications where accurate temperature regulation is critical.

Typical capacity: Circulating baths in this class typically feature bath volumes ranging from 5 to 20 litres.
Temperature range: Units of this type commonly offer a temperature range from ambient +5°C up to 100°C, with some models extending to higher or lower temperatures.
Temperature stability: For this class of equipment, temperature stability is typically ±0.05°C or better.
Pumping capacity: Circulating baths commonly feature a pumping capacity suitable for internal circulation and external closed-loop applications, often in the range of 15-25 litres per minute.
Power supply: Units are typically single-phase, 230V, 50Hz for the UK market, with varying wattage depending on heating and cooling capabilities.
Bath material: The bath reservoir is commonly constructed from durable stainless steel for corrosion resistance and ease of cleaning.

A circulating bath includes a pump to circulate the temperature-controlled fluid, allowing for precise external temperature control of connected equipment or more uniform internal bath temperatures. Standard water baths primarily offer static heating.

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.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.