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Water bath

It is laboratory equipment construct from a vessel fill up with heated water. At Kumar Instruments, it is utilized to produce samples in water at a uniform temperature over a long time duration. Most water baths have an analog or digital interface to permit customers to set a craving temperature, but few water baths have the temperature managed by current passing through a reader. Utilisations include incubation of cell cultures, warming of reagents, or melting of substrates. It is also utilized to sanction specific chemical reactions to take place at high temperatures. Different kinds of water baths are utilized depends on the application. For all water baths, it can be utilized up to 99.9 °C. When the temperature is above 100 °C, another process such as a sand bath, oil bath, or silicone bath may be utilized.


•            Utilize with caution.

•            It is not suggested to utilize a water bath with pyrophoric reactions or moisture sensitivity. Do not warm a bath fluid above its flashpoint.

•            Water level must be steadily monitored, and fill up with distilled water only. This is necessary to avert salts from depositing on the heater.

•            Disinfectants can be added to put a stop to the growth of organisms.

•            Raising the temperature to 90 °C or high up to once a week for few times for the aim of decontamination.

•            Markers tend to appear off easy way in water baths. Utilize water-resistant ones.

•            If the application needs liquids that provide off fumes, it is suggested to operate a water bath in a well-ventilated zone or in the fume hood.

•            The cover is closed to help to reach high temperatures and to prevent evaporation.

•            Set up on a constant surface away from flammable substances.

Circulating water baths

They (also called stirrers) or these Scientific Instruments are perfect for applications when temperature consistency and uniformity are censorious, such as serologic and enzymatic experiments. Water is rigorously circulated throughout the bath results in an extra uniform temperature.

Non-circulating water baths

They rely firstly on convection instead of water is uniformly heated. Therefore, it is lesser precise in terms of temperature control. There are add-ons that offer stirring to non-circulating water baths to develop more uniform heat transfer.

Shaking water baths

They have additional power for shaking, which moves liquids around. This shaking feature can be turned off or on. In microbiological applications, consistent shaking permits liquid-grown cell cultures grown to uniformly mix with the air.

Some key benefits of this water bath are warning and cut-off protection for high /low temperature, bright LED display, adjustable shaking frequencies, convenient bath drains, optional lift-up bath cover, power switch integrated with keypad, and user-friendly operation via keypad.


Over the years, water baths have developed from basic analog tools to advanced digital machines efficient of programmable and sophisticated capabilities, controls, and functions.

Key features in water baths often include:

•            Multi-language operation

•            User-settable limit values

•            Eco modes which save energy after set programs are finished

•            User-settable alarms: visible, audible or both

•            Display of set point and/or actual temperatures

•            Programmable presets for regularly used temperatures

•            Integrated timers

•            Hinged gable covers

•            Calibration off-set capabilities

•            Stainless reservoirs

•            Reservoir drains

•            automatic and Primary safety thermostats

•            Harmonious with waterless alloy bath beads

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