Laboratories depend on accurate measurements for research, testing, quality control, product development and analysis. From analytical balances to precision laboratory scales, weighing equipment can play an important role in producing reliable results. When laboratory scales are not properly calibrated, inaccurate measurements can affect test results, research conclusions and quality-control decisions.
Koehler Scale provides calibration services for weighing equipment ranging from analytical balances to heavy-capacity industrial scales. Its technicians use certified test weights traceable to NIST and can develop calibration programs around individual customer requirements.
Why Scale Calibration Matters in LaboratoriesLaboratory measurements can require significantly greater precision than many industrial weighing applications. Small measurement errors may affect an experiment, formulation, sample analysis or quality-control result.
NIST Handbook 44 identifies precision laboratory weighing as a specific weighing application and establishes specifications and tolerances intended to promote accurate and repeatable measurements.
Regular calibration helps laboratories identify changes in scale performance caused by normal wear, environmental conditions, vibration, temperature changes, improper handling or other factors. Calibration also creates documentation that the equipment has been tested against appropriate standards.
Koehler provides full-service calibration and certification for weighing equipment and can service equipment from analytical balances through high-capacity industrial scales.
Koehler Scale provides calibration services for weighing equipment ranging from analytical balances to heavy-capacity industrial scales. Its technicians use certified test weights traceable to NIST and can develop calibration programs around individual customer requirements.
Why Scale Calibration Matters in LaboratoriesLaboratory measurements can require significantly greater precision than many industrial weighing applications. Small measurement errors may affect an experiment, formulation, sample analysis or quality-control result.
NIST Handbook 44 identifies precision laboratory weighing as a specific weighing application and establishes specifications and tolerances intended to promote accurate and repeatable measurements.
Regular calibration helps laboratories identify changes in scale performance caused by normal wear, environmental conditions, vibration, temperature changes, improper handling or other factors. Calibration also creates documentation that the equipment has been tested against appropriate standards.
Koehler provides full-service calibration and certification for weighing equipment and can service equipment from analytical balances through high-capacity industrial scales.
Key Calibration Risks in LaboratoriesCommon risks associated with improperly calibrated laboratory scales include:
- Inaccurate test results — Incorrect measurements can affect laboratory analyses and conclusions.
- Sample measurement errors — An inaccurate balance can result in incorrect quantities being used during testing.
- Research inconsistencies — Measurement errors can make experimental results difficult to reproduce.
- Quality-control failures — Incorrect weighing can cause materials or products to be incorrectly accepted or rejected.
- Incorrect formulations — Laboratories developing products or compounds may depend on highly precise measurements.
- Data integrity concerns — Incorrect measurements can compromise the reliability of laboratory data.
- Failed audits — Missing or inadequate calibration records can create problems during quality-system audits.
- Undetected scale drift — Laboratory balances can gradually change in accuracy without obvious signs.
- Equipment downtime — A balance that fails calibration may require adjustment or repair before it can be used.
- Financial losses — Repeated testing, wasted samples, rework and investigations can increase laboratory operating costs.
Frequently Asked Questions About Laboratory Scales1. Why is calibration important for laboratory scales?
Calibration helps verify that laboratory weighing equipment is providing accurate and repeatable measurements appropriate for its intended application.
2. What types of scales are used in laboratories?
Laboratories may use analytical balances, precision balances, bench scales, moisture analyzers and other specialized weighing equipment.
3. How often should laboratory scales be calibrated?
The appropriate interval depends on the equipment, frequency of use, environment, required accuracy and the laboratory's quality procedures. Laboratories should establish a documented schedule appropriate for each instrument.
4. What can cause a laboratory balance to become inaccurate?
Temperature changes, vibration, drafts, improper handling, contamination, mechanical wear and other environmental or operational factors can affect weighing performance.
5. What is NIST-traceable calibration?
NIST traceability establishes a documented relationship between calibration standards and recognized national measurement standards. Koehler uses certified test weights that are traceable to NIST.
6. Can Koehler calibrate analytical balances?
Yes. Koehler provides calibration services for weighing equipment ranging from analytical balances to heavy-capacity industrial platform scales.
7. Can laboratory scales be calibrated on-site?
Yes. Koehler provides on-site calibration and validation services, allowing technicians to perform calibration at the customer's facility.
8. Does Koehler provide calibration documentation?
Yes. Koehler provides calibration documentation and reports as part of its calibration services.
Calibration helps verify that laboratory weighing equipment is providing accurate and repeatable measurements appropriate for its intended application.
2. What types of scales are used in laboratories?
Laboratories may use analytical balances, precision balances, bench scales, moisture analyzers and other specialized weighing equipment.
3. How often should laboratory scales be calibrated?
The appropriate interval depends on the equipment, frequency of use, environment, required accuracy and the laboratory's quality procedures. Laboratories should establish a documented schedule appropriate for each instrument.
4. What can cause a laboratory balance to become inaccurate?
Temperature changes, vibration, drafts, improper handling, contamination, mechanical wear and other environmental or operational factors can affect weighing performance.
5. What is NIST-traceable calibration?
NIST traceability establishes a documented relationship between calibration standards and recognized national measurement standards. Koehler uses certified test weights that are traceable to NIST.
6. Can Koehler calibrate analytical balances?
Yes. Koehler provides calibration services for weighing equipment ranging from analytical balances to heavy-capacity industrial platform scales.
7. Can laboratory scales be calibrated on-site?
Yes. Koehler provides on-site calibration and validation services, allowing technicians to perform calibration at the customer's facility.
8. Does Koehler provide calibration documentation?
Yes. Koehler provides calibration documentation and reports as part of its calibration services.
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