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

Unstirred water baths rely on convection for heat distribution, which is suitable for many routine tasks. Stirred baths incorporate a pump or stirrer for enhanced temperature uniformity, particularly important for sensitive applications or larger volumes.

Can this water bath be used for applications below ambient temperature?

No, this type of heated water bath is designed to operate above ambient temperature. For sub-ambient applications, a refrigerated or chiller bath would be required.

What maintenance is typically required for an unstirred water bath?

Regular cleaning of the tank to prevent scale and microbial growth, periodic draining and refilling with deionised water, and checking the integrity of the heating element and sensors are common maintenance tasks.

Is a lid necessary for operation?

While not always strictly necessary, using a lid is highly recommended. It reduces evaporation, improves temperature stability, and helps to achieve and maintain the set temperature more efficiently.

What is the typical footprint of a 14-litre water bath?

For a 14-litre unit, external dimensions commonly range around 30-50 cm in depth and width, and 25-35 cm in height, making them suitable for standard laboratory benchtops.

used Equipment

Available

Verified seller

Grant Instruments - SUB 14 Heated Unstirred Water Bath

Name: SUB 14 Heated Unstirred Water Bath
Brand: Grant Instruments
SKU: 19396.SR1BSR80
Availability: InStock

Price: Contact seller for price

This listing is for the Grant Instruments SUB 14 Water Bath

The unit is in full working condition and is ready for immediate release

Grant Instruments SUB 14 Water Bath – 14L

A universal water bath, the Grant Instruments SUB 14 is known for its high quality, excellent temperature stability, and robust construction, making it ideal for a wide range of routine laboratory applications.

Key Features

Capacity: 14 Litres

Temperature Range: Ambient +5°C to 99°C

Temperature Stability: ±0.2°C

Display: 2-digit LED for clear temperature indication

Heating Power: 700W

Control System: Digital for reproducibility and precision

Safety:

Independent over-temperature cut-out to protect users, samples, and workplace

Secondary over-temperature protection in case of control failure

Construction:

Stainless steel tank within a robust, durable outer case

Designed to withstand demanding environments

Applications

Ideal for:

Sample incubation

Sample warming and thawing

Media preparation

Quality control testing

Dimensions

External: 45 cm (D) x 33 cm (W) x 26 cm (H)

Cambridgeshire, United Kingdom

5,791 km away

Model Number

SUB 14

Stock Number

19396.SR1BSR80

Machinery Masters View

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

Applications & Use Cases

Sample incubation and warming in biological and chemical laboratories.
Thawing frozen samples, reagents, and media.
Media preparation for microbiology and cell culture.
Quality control testing requiring precise temperature maintenance.
General laboratory heating tasks for non-flammable liquids.

Typical Specifications

Typical capacity: For this class of equipment, capacities commonly range from 5 to 20 litres, with 14 litres being a common mid-range size.
Temperature range: Units of this type typically operate from ambient +5°C up to 99°C, suitable for most laboratory heating applications.
Temperature stability: Good quality unstirred water baths commonly offer stability of ±0.2°C or better, ensuring consistent sample conditions.
Power supply: Typically 230V, 50Hz single-phase, drawing around 700W for a unit of this capacity.
Construction materials: The tank is commonly stainless steel for corrosion resistance, housed within a durable outer case, often made of coated steel or robust plastic.
Safety features: Most units include independent over-temperature cut-outs to protect samples and the workplace.

Frequently Asked Questions

Unstirred water baths rely on convection for heat distribution, which is suitable for many routine tasks. Stirred baths incorporate a pump or stirrer for enhanced temperature uniformity, particularly important for sensitive applications or larger volumes.

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.