Thermostatic Water Bath LB-21TWB – Precision Temperature Control And Laboratory Heating Equipment


Thermostatic Water Bath LB-21TWB is a laboratory instrument that maintains stable and precise temperatures from ambient +5°C to 100°C. It uses thermostatic control and digital monitoring to deliver uniform heating across the chamber, supporting applications such as reagent warming, sample incubation, viscosity testing, and biochemical analysis in research, pharmaceutical, and analytical laboratories.


Product Snapshot

Attribute

Details

Product Name

Thermostatic Water Bath

Model Number

LB-21TWB

Product Type

Laboratory Temperature Control Equipment

Used For

Maintaining uniform temperature for analytical and research applications

Industries

Pharmaceutical, Biotechnology, Chemical, Food & Beverage, Educational and Research Laboratories

Alternative Equipment

Circulating Water Bath, Thermostatic Sand Bath, Oil Bath

Warranty

1 Year Standard Warranty

Support

Technical documentation and operational support available


What Is This Product Used For?

Thermostatic Water Bath LB-21TWB is used for controlled heating and stable temperature maintenance of laboratory samples and reagents. It is essential for processes such as biochemical reactions, enzyme studies, incubation procedures, viscosity measurement, and calibration testing. The thermostatic system ensures consistent temperature distribution throughout the chamber, enabling accurate and reproducible experimental results.


Industries That Use This Product

Labotronics LB-21TWB is widely used in laboratory environments where precise thermal control is required, including:

  • Pharmaceutical research and quality control laboratories

  • Biotechnology and life science research facilities

  • Chemical and analytical testing laboratories

  • Food and beverage quality assurance departments

  • Academic and scientific research institutions

Its stable temperature performance makes it suitable for both routine and advanced laboratory workflows.


How Does Thermostatic Water Bath LB-21TWB Work?

Labotronics LB-21TWB operates using electric heating elements immersed in a stainless-steel chamber filled with water. A thermostatic or digital controller continuously regulates the heating process to maintain a stable temperature.

Heating and Temperature Control
Electrical heating elements raise the water temperature, while the thermostatic system adjusts power input to maintain the set temperature with high accuracy.

Uniform Temperature Distribution
The chamber design ensures even heat circulation, eliminating hot or cold spots and maintaining consistent conditions for all samples.

Safety and Operational Control
Thermostatic Water Bath LB-21TWB system includes over-temperature protection, low-water-level detection, and thermal insulation to ensure safe and uninterrupted operation.

Core Functional Capabilities

Key operational capabilities of Labotronics LB-21TWB include:

  • Thermostatic temperature control from ambient +5°C to 100°C

  • Uniform heat distribution across the stainless-steel chamber

  • Digital temperature display for real-time monitoring

  • Over-temperature and low-water safety protection systems

  • Corrosion-resistant stainless-steel construction

  • Compact benchtop design for laboratory efficiency

These features ensure accurate performance for continuous laboratory use.


Technical Specifications

Parameter

Specification

Temperature Range

Ambient +5°C to 100°C

Temperature Accuracy

±0.1°C

Temperature Uniformity

±0.3°C

Control Type

Thermostatic / Digital

Chamber Capacity

21 L

Display

Digital temperature display

Chamber Material

Stainless steel

Power Supply

220 V AC, 50/60 Hz

Dimensions (W × D × H)

510 × 360 × 400 mm

Weight

Approx. 12.5 kg


How to Choose This Thermostatic Water Bath

This model is suitable when:

  • Experiments require precise temperature control between ambient +5°C and 100°C

  • Long-duration or continuous heating is required for laboratory processes

  • Multiple samples need uniform thermal conditions simultaneously

  • High accuracy and reproducibility are critical for testing

  • A durable, corrosion-resistant benchtop system is preferred

Labotronics LB-21TWB ensures consistent performance for research, analytical, and industrial laboratory applications.


Alternative Equipment for This Product

Depending on application requirements, alternatives include:

  • Circulating Water Baths – For improved temperature uniformity using fluid circulation

  • Oil Baths – For high-temperature applications above 100°C

  • Thermostatic Sand Baths – For dry heating and stable high-temperature conditions

  • Refrigerated Water Baths – For sub-ambient temperature control applications

Each system is designed for specific laboratory heating or cooling needs.


Frequently Asked Questions About Thermostatic Water Bath LB-21TWB

  1. What is the temperature range of this model?
    It operates from ambient +5°C to 100°C for standard laboratory heating applications.

  2. Can it be used for biological experiments? Yes, it supports incubation, enzyme reactions, and biochemical studies.

  3. How is temperature uniformity maintained?
    Thermostatic controller ensures precise regulation and even heat distribution across the chamber.

  4. Is it suitable for continuous operation?
    Yes, it is designed for stable long-duration laboratory use.

  5. What safety features are included?
    It includes over-temperature protection, low-water-level alarms, and insulated housing.

  6. What material is the chamber made of?
    The chamber is made of high-grade stainless steel for durability and corrosion resistance.


Typical Application Scenarios

  • Enzyme activity and biochemical assays

  • Sample incubation and reagent heating

  • Viscosity and solubility testing

  • Calibration and analytical procedures

  • Stability testing and quality control studies


Compliance and Standards

Labotronics LB-21TWB complies with laboratory temperature control and safety standards, ensuring accurate performance, operational safety, and reproducible results in research, educational, and industrial environments.


Internal Linking Opportunities

Section

Suggested Links

Parent Category

Baths and Circulators

Related Products

Thermostatic Water Bath LB-20TWB, Thermostatic Sand Bath LB-10TSB

Buying Guides

Selecting the Right Laboratory Water Bath

Technical Articles

Principles of Thermostatic Temperature Control in Laboratory Systems


Comparison Table

Feature / Model

LB-21TWB

LB-20TWB

LB-19TWB

Circulating Water Bath

Oil Bath

Temperature Range

Ambient +5°C to 100°C

Ambient +5°C to 100°C

Ambient +5°C to 100°C

Ambient +5°C to 100°C

Up to 300°C

Temperature Accuracy

±0.1°C

±0.1°C

±0.1°C

±0.1°C

±0.5°C

Temperature Uniformity

±0.3°C

±0.3°C

±0.3°C

±0.2°C

±0.5°C

Chamber Material

Stainless Steel

Stainless Steel

Stainless Steel

Stainless Steel

Oil-filled

Chamber Capacity

21 L

20 L

19 L

Varies

Varies

Typical Applications

Biochemical testing, incubation

Enzyme reactions, warming

Viscosity studies

High-uniform heating

High-temp reactions


Quick Summary

Thermostatic Water Bath LB-21TWB  provides precise and uniform temperature control from ambient +5°C to 100°C for laboratory applications. It uses thermostatic regulation and digital monitoring to ensure stable heating for sample incubation, reagent warming, viscosity testing, and biochemical studies. Its stainless-steel chamber, safety systems, and benchtop design make it suitable for continuous use in pharmaceutical, research, and analytical laboratories.



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