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Calibration Weight Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

A calibration weight is a precisely manufactured mass standard with certified accuracy, used to verify and adjust the measurement accuracy of weighing instruments. These weights are traceable to national or international measurement standards and are essential for maintaining measurement integrity in quality control, laboratory testing, and production processes where precise weight measurements are critical.

Working Principle

Calibration weights operate on the principle of gravitational force comparison. When placed on a weighing scale, the weight exerts a force proportional to its mass due to gravity. The scale's load cell or mechanical system converts this force into an electrical signal or mechanical displacement, which is then compared against the known mass value of the calibration weight to determine measurement accuracy and make necessary adjustments.

Materials

Stainless steel (typically 316L or 304), brass, cast iron, or aluminum with protective coatings. High-precision weights may use austenitic stainless steel for minimal magnetic permeability and corrosion resistance.

Technical Parameters

Density 8000 kg/m³ (standard for stainless steel)
Accuracy Class E1, E2, F1, F2, M1, M2, M3
Surface Finish Mirror or matte finish to minimize air buoyancy effects
Magnetic Permeability ≤1.05
Temperature Coefficient ≤±0.0005%/°C

Standards

ISO 9001, ISO/IEC 17025, OIML R111, ASTM E617

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Calibration Weight.

Parent Products

This component is used in the following industrial products

Precision Weigh Scale Module

A high-accuracy weighing component for automated ingredient measurement in food processing systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Inaccurate measurements leading to product quality issues
Non-compliance with regulatory standards
Contamination affecting weight accuracy
Physical damage altering mass properties

FMEA Triads

Trigger: Surface contamination from oils, dust, or moisture
Failure: Mass deviation exceeding tolerance limits
Mitigation: Regular cleaning with appropriate solvents, proper storage in controlled environments

Trigger: Physical impact or dropping
Failure: Deformation or mass change
Mitigation: Use protective handling tools, implement strict handling procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.001% to ±0.5% depending on accuracy class

Test Method

Gravimetric comparison against higher-class reference standards in controlled laboratory conditions

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

How often should calibration weights be recalibrated?

Calibration weights should be recalibrated annually or according to the manufacturer's recommendations, usage frequency, and environmental conditions. Regular recalibration ensures traceability to national standards.

What factors affect calibration weight accuracy?

Key factors include temperature variations, humidity, magnetic properties, surface contamination, handling damage, and air buoyancy. Proper storage and handling procedures are essential.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Calibration Weight