E1 Class 10 kg Calibration Weight – Precision You Can Trust | Masseprazise

When accuracy and traceability are non-negotiable, Masseprazise’s E1 Class 10 kg Calibration Weight stands out as the gold standard in metrology and laboratory calibration. Designed to meet the strictest OIML R 111-1:2004 and ISO 17025:2017 standards, this high-precision calibration weight ensures dependable performance across demanding applications. Whether you're working in a pharmaceutical lab, R&D facility, or national calibration centre, our 10 kg E1 weight provides unmatched reliability and precision.

Applications of E1 Class Weights in Precision Calibration

E1 class calibration weights are used for the highest level of precision calibration. They are ideal for adjusting and verifying high-resolution balances, particularly those with a readability of 0.01 mg or better.

Common application areas include:

• National Metrology Institutes (NMIs)
• Pharmaceutical and analytical laboratories
• Mass comparator calibration
• ISO/IEC 17025-accredited labs
• High-end research and R&D centers

These weights serve as the reference standards in hierarchical calibration chains and are vital for industries where measurement integrity is critical.

How to Maintain and Handle E1 Class Calibration Weights

Proper handling and maintenance are essential to preserving the accuracy and longevity of E1 class calibration weights. Here are some important best practices:

Handling Guidelines:

• Always use gloves or forceps to handle the weight. Never touch it with bare hands, as body oils can alter its mass and surface properties.
• Place the weight on a clean, dust-free, and vibration-free surface during calibration.
• Use non-metallic tools to lift or move the weight to avoid magnetic contamination or scratches.

Cleaning and Maintenance:

• Clean the weight gently using a soft, lint-free cloth and, if necessary, with ethanol or a similar mild solvent.
• Never immerse the weight in water or use abrasive cleaners.
• Regularly inspect for surface oxidation, dust, or wear. Even the smallest change in mass can compromise calibration accuracy.

Storage Recommendations:

• After use, place the weight back into its hard-case aluminium box to protect it from dust and damage.
• Store the case in a temperature-controlled, dry environment to avoid material expansion or corrosion.
• Avoid exposing the weight to strong magnetic fields or mechanical shocks.

Recalibration Schedule:

To comply with international standards and maintain traceability

• recalibrate the E1 weight annually (or as per lab policy) through a NABL-accredited lab.
• Masseprazise includes a calibration certificate that meets both OIML R 111-1:2004 and ISO 17025:2017 guidelines.

Technical Specifications – E1 Class 10 kg Calibration Weight

Model: MP-E1-10KG

Compliance & Quality Assurance

• Meets OIML E1 tolerance limits for maximum permissible error
• Follows international standards required by legal metrology and accredited laboratories
• Designed for mass comparators with 0.01 mg readability or better