Laboratory Balances

Laboratory balances are designed for accurate weighing within pharmaceutical, food-testing, chemical-analysis, education and industrial quality-control environments. At GNW Instrumentation, we supply precision, analytical and semi-micro balances from KERN, Ohaus and Adam Equipment, covering a wide range of capacities, readabilities and calibration options.

Analytical Balances

Precision Balances

Collection

52 products

Kern AXS Analytical Balances

From £570.00

Kern ADJ Analytical Balances

From £817.00

Kern 572 Precision Balances

From £693.50

Kern 440 Precision Balances

From £161.50

Precision, Analytical and Semi-Micro Laboratory Balances

Laboratory balances provide accurate measurement for scientific, pharmaceutical, educational and industrial applications. The GNW Instrumentation range includes precision, analytical and semi-micro balances from KERN, Ohaus and Adam Equipment, covering routine sample measurement through to highly sensitive laboratory procedures.

Precision balances combine fine readability with practical weighing capacities for sample preparation, formulation, parts counting, quality control and general laboratory work. Analytical balances commonly provide 0.0001 g or 0.1 mg readability and normally include a draught shield to reduce the influence of air movement around the weighing pan. Semi-micro balances provide still finer readability for specialist research, pharmaceutical development and carefully controlled analytical procedures.

The appropriate balance depends on the required readability, maximum capacity, sample size and operating environment. Adjustment method should also be considered: some models use an internal reference weight for manual or automatic adjustment, while others require adjustment using a suitable external test weight.

Depending on the model, available functions may include parts counting, percentage weighing, formulation, density determination, checkweighing and statistical analysis. RS-232, USB, Ethernet and formatted GLP/GMP output options can support connection to compatible printers, computers and laboratory data systems.

Calibration certificate options are available for laboratory balances supplied by GNW Instrumentation. Our team can help compare capacities, readabilities, adjustment methods, approved configurations and connectivity options when selecting equipment for a particular laboratory or quality procedure.

Understanding Laboratory Balances

Choosing a laboratory balance starts with the required readability, maximum capacity and intended application. Adjustment method, pan size, connectivity and environmental conditions should also be considered.

Precision balances are commonly used for routine sample weighing, formulation, education and industrial quality control. Analytical balances provide finer readability for sensitive procedures, while semi-micro balances support specialist work involving very small sample masses.

Sensitive measurements can be affected by air movement, vibration, temperature changes, static electricity and unsuitable work surfaces. Draught shields, anti-vibration tables and controlled weighing areas can help improve stability and repeatability.

Some balances use a built-in reference weight for internal adjustment, which may be initiated manually or triggered automatically depending on the model. Other balances require external adjustment using a suitable test weight.

Choose the Required Readability

Compare the smallest displayed increment with the sample size and measurement requirements. Precision, analytical and semi-micro balances provide different levels of readability.

Compare Adjustment Methods

Selected balances provide automatic internal adjustment, while other models require external adjustment using a suitable calibrated test weight.

Check Data Connectivity

Depending on the model, RS-232, USB and formatted GLP/GMP output may support printing, computer connection and documented weighing procedures.

Learn more

Laboratory Balance Applications

Laboratory balances support sample preparation, formulation, analysis and quality-control procedures across scientific, educational and industrial environments.

Pharmaceutical and Chemical Analysis

Analytical and semi-micro balances support sample preparation, formulation, gravimetric analysis and other sensitive weighing procedures within pharmaceutical and chemical laboratories.

Food Testing and Quality Control

Precision and analytical balances support ingredient measurement, sample preparation, formulation and quality-control checks within food-testing and production environments.

Education and Research Laboratories

Laboratory balances are used within schools, universities and research facilities for practical teaching, experimental work and routine sample measurement.

How to Choose a Laboratory Balance

Selecting a suitable laboratory balance depends on the required readability, maximum capacity, adjustment method, operating environment and data-recording requirements.

Determine the Required Readability

Routine precision weighing commonly uses readability between 0.01 g and 0.001 g, while analytical applications may require 0.0001 g (0.1 mg) or finer resolution.

Consider Adjustment and Calibration

Compare automatic internal adjustment with models requiring external adjustment, and confirm whether calibration certification is required for your quality procedures.

Review Environmental Conditions

Sensitive weighing requires a stable surface and protection from vibration, air movement and temperature changes. Draught shields or anti-vibration tables may be required.

Check Connectivity and Data Output

Depending on the model, USB, RS-232 and formatted GLP/GMP output can support printing, computer connection and documented laboratory procedures.

Laboratory Balance FAQs

Laboratory balances are used throughout scientific and industrial environments requiring highly accurate weighing performance. Below are answers to some common questions relating to laboratory balances and analytical weighing equipment.

What is the difference between a precision balance and an analytical balance?

Precision balances are designed for routine laboratory weighing, while analytical balances provide much finer readability, typically 0.0001g (0.1mg), for highly sensitive applications.

What readability do I need for a laboratory balance?

The required readability depends on the application. General laboratory work may require 0.001g, while pharmaceutical and analytical chemistry applications often require 0.0001g readability.

What is internal calibration on a laboratory balance?

Internal adjustment uses a built-in reference weight to adjust the balance without a separate external test weight. Depending on the model, adjustment may be started manually or triggered automatically.

Are laboratory balances supplied with calibration certificates?

Calibration certificates are available for laboratory balances supplied by GNW Instrumentation. The required certificate option should be selected or confirmed when ordering.