Bench Scale Calibration

GNW is a reliable, trusted and experienced service provider for bench scale calibration. Learn more about how we can help.

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What is bench scale calibration?

Bench scales are commonly used in laboratories, manufacturing facilities, and various industrial settings to measure the weight of small to medium-sized objects.

Calibration, in the context of bench scales, refers to the meticulous process of adjusting and verifying the accuracy of these instruments to ensure their readings align with established standards. This involves comparing the scale’s output to a known reference standard to identify and rectify any deviations.

What is the importance of bench scale calibration?

  • Accuracy and Precision: Calibration is crucial for maintaining the accuracy and precision of bench scales. In industries where even a slight deviation in measurements can have significant consequences, ensuring that bench scales provide reliable readings is paramount.
  • Compliance with Regulations: Many industries are subject to strict regulations governing the accuracy of measurements. Bench scale calibration is not only a best practice but often a regulatory requirement.
  • Quality Control: In manufacturing processes, especially those involving precise formulations, bench scales are instrumental in maintaining product consistency.
  • Cost Savings: Accurate measurements reduce waste by preventing overuse or underuse of materials

How often do you need bench scale calibration?

The frequency of bench scale calibration depends on various factors, including the industry, the specific application, and any regulatory requirements. In general, calibration should be performed at regular intervals to ensure accurate and reliable measurements.

Signs you may need bench scale calibration for your equipment:

Inconsistent Readings: If the scale provides inconsistent or fluctuating readings for the same load, it may indicate a calibration issue.

Drift in Measurements: Persistent changes in readings over time, when the scale is not in use, suggest a need for calibration.

Failure to Return to Zero: A properly calibrated scale should return to zero when there is no load on it. If it consistently displays a non-zero reading, it might require calibration.

Unexpected Errors: If the scale consistently produces errors outside the acceptable range, calibration may be necessary to correct inaccuracies.

Changes in Environmental Conditions: Environmental factors, such as temperature and humidity, can affect scale accuracy. If the environment changes significantly, it may impact the scale’s performance, necessitating recalibration.

Physical Damage or Wear: Any physical damage to the scale or wear on its components may compromise accuracy. Regular calibration can help identify and rectify such issues.

Changes in Scale Location: Relocating a scale can expose it to different environmental conditions or handling, potentially affecting its calibration. Recalibration may be required after a move.

New Loads or Applications: Introducing new types of loads or applications that differ significantly from the scale’s previous use may require recalibration to ensure accuracy.

Long Periods Without Use: Scales that have been unused for an extended period may need calibration before being put back into service, as factors like dust or changes in internal components can affect accuracy.

Regulatory Compliance Requirements: If regulatory standards or industry requirements dictate a specific calibration frequency, failing to adhere to these guidelines may result in the need for calibration.

Scheduled Maintenance: Regular maintenance schedules may include periodic calibration to ensure the ongoing accuracy of the scale.

Customer Complaints or Quality Issues: If customers or quality control processes identify discrepancies in measured quantities, it’s a clear signal that calibration should be considered.

Age of the Equipment: Older scales may experience wear and tear, leading to a decline in accuracy. Regular calibration can help compensate for the effects of ageing.

It’s important to note that regular calibration, even in the absence of apparent issues, is a proactive approach to maintaining accuracy and compliance. Scales should be calibrated based on a predetermined schedule and whenever there are signs of potential issues.

How can GNW help with bench scale calibration?

We can calibrate and certify bench scales for any manufacturer. Regular calibration ensures that your scales are performing correctly and your process or end products are not being unduly affected. 

Our friendly team is able to calibrate your bench scales at our works, or we can visit your premises and calibrate your scales on site. We use either M1 or F1 calibration weights to ensure your scales are performing correctly.

If our technical team comes across a problem during calibration, we are able to provide repair services for scales and balances from all manufacturers. We do not charge any inspection fees and all work is quoted to you beforehand.

Please get in touch via our contact page, we also offer a wide range of calibration services.

ISO 9001-2015 accredited

ISO 9001-2015 accredited

Audited annually by European Certification Group

Audited annually by European Certification Group





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