What is the primary difference between a stirred and unstirred water bath?

An unstirred water bath relies on convection for heat distribution, suitable for general applications. A stirred bath includes a mechanism to actively circulate water, providing superior temperature uniformity, particularly for sensitive or larger volume samples.

Can this water bath be used for applications requiring temperatures below ambient?

No, standard heated water baths are designed for temperatures above ambient. For sub-ambient applications, a refrigerated or chiller bath would be required.

What maintenance is typically required for an unstirred water bath?

Routine maintenance typically involves regularly cleaning the tank to prevent algae and scale build-up, and periodically checking the water level. Using distilled or deionised water is recommended to prolong element life.

Is a lid necessary for operation?

While not always strictly necessary, using a lid significantly improves temperature stability, reduces evaporation, and helps to achieve and maintain higher temperatures more efficiently. It is generally recommended for optimal performance.

What safety features are commonly found on these units?

Typical safety features include over-temperature protection to prevent overheating, and often a low-water cut-off to protect the heating element from damage if the water level drops too low.

Used Grant JB1 Heated Water Bath - Water Baths & Heating Baths, photo 1

Used Grant JB1 Heated Water Bath - Water Baths & Heating Baths, photo 2

Used Grant JB1 Heated Water Bath - Water Baths & Heating Baths, photo 3

Used Grant JB1 Heated Water Bath - Water Baths & Heating Baths, photo 4

Used Grant JB1 Heated Water Bath - Water Baths & Heating Baths

used Equipment

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Grant Instruments - Grant JB1 Heated Water Bath

Name: Grant JB1 Heated Water Bath
Brand: Grant Instruments
SKU: 16552.SR1B
Price: 150 GBP
Availability: SoldOut

Price: £ 150

This listing is for the Grant JB1 Heated Water Bath The unit is in full working condition and is ready for immediate use The Grant JB1 Unstirred Water Bath offers a 3.5 L capacity, with a temperature operating range from approximately 20 °C to 90 °C (though some listings note 20–80 °C) It's designed for reliable, simple functionality: Unstirred format — no built-in stirring mechanism. Construction: Polypropylene lining with a metal internal base (to support vessels) Offers temperature stability down to around ±0.3 °C Compact dimensions: around 33 cm (W) × 16 cm (D), with a height of about 20 cm (or up to 29 cm with lid) Typical Usage As a basic model in the Grant water bath lineup, the JB1 is ideal for: Educational labs Routine applications where simple, reliable heating (without stirring) is sufficient Situations demanding compact, transportable equipment

Cambridgeshire, United Kingdom

5,773 km away

Model Number

JB1

Stock Number

16552.SR1B

Machinery Masters View

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

Educational laboratories for basic heating tasks.
Routine laboratory applications requiring stable heating without agitation.
Sample incubation and thawing in research and clinical settings.
Chemical and biochemical reactions requiring precise temperature control.
Quality control procedures in various industrial sectors.

Typical capacity: For this class of equipment, capacities commonly range from 2 to 5 litres.
Temperature range: Units of this type typically operate between ambient +5°C and 90°C.
Temperature stability: Commonly, unstirred water baths offer stability down to ±0.3°C.
Power supply: Most units are designed for standard single-phase electrical supplies, typically 230V, 50Hz.
Construction material: The internal tank is often made from polypropylene or stainless steel for corrosion resistance.
Footprint: Compact models are typically around 30-40 cm wide and 15-25 cm deep.
Heating mechanism: Units commonly utilise an immersed heating element with a thermostatic control.

An unstirred water bath relies on convection for heat distribution, suitable for general applications. A stirred bath includes a mechanism to actively circulate water, providing superior temperature uniformity, particularly for sensitive or larger volume samples.

Water baths and heating baths are generally valued in laboratory and biotech settings for their reliability and precision temperature control. When purchasing used units, buyers typically prioritize checking heating uniformity, control system functionality, and tank condition to avoid corrosion issues. These devices are known for their durability and long operational lifespan when properly maintained. Industry sentiment favors established brands known for consistent performance and availability of spare parts.

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.