What is the significance of OIML classification?

OIML (International Organisation of Legal Metrology) classes (E2, F1, F2) define the maximum permissible error for a weight. E2 offers the highest precision, suitable for calibrating high-accuracy balances, while F1 and F2 are for less stringent applications.

Why is stainless steel a preferred material for calibration weights?

Stainless steel is chosen for its excellent corrosion resistance, durability, and stability over time. It also has low magnetic properties, which is crucial for precision weighing.

Is certification necessary for calibration weights?

For critical applications requiring traceability and compliance with quality standards (e.g., ISO 9001, GLP/GMP), certification like ISO 17025:2017 is essential. For less critical internal checks, a Statement of Accuracy may suffice.

How should calibration weights be stored and handled?

Weights should always be stored in their protective cases to prevent damage and contamination. They should be handled with clean, lint-free gloves to avoid transferring oils or dirt, which can alter their mass.

How often should calibration weights be re-calibrated?

The re-calibration frequency depends on usage, environmental conditions, and regulatory requirements. Typically, weights used in critical applications are re-calibrated annually, but this can vary.

Used 2KG Weight - Calibration Weights & Kits, photo 1

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Used 2KG Weight - Calibration Weights & Kits

used Equipment

Available

Verified seller

VWR - 2KG Weight

Name: 2KG Weight
Brand: VWR
SKU: 55686
Price: 50 GBP
Availability: InStock

Price: £ 50

This listing is for 1 of 2 VWR 2KG Weight.

The unit is in full working condition and is ready for immediate release.

The VWR® Calibration Weights are meticulously crafted from high-grade stainless steel to ensure long-lasting durability and reliable performance. Designed for use in various precision weighing applications, these weights are ideal for laboratory, industrial, and calibration purposes. They feature a cylindrical shape with a knob for easy handling and come in OIML Class E2, F1, or F2 options to meet diverse accuracy requirements.

Each weight comes in a protective plastic storage case, ensuring safe storage and handling. For quality assurance, you have the option to include a Statement of Accuracy or an ISO 17025:2017 Certificate of Calibration. The ISO certification guarantees full traceability, providing critical information such as the date of manufacture, serial number, nominal mass, conventional mass, and uncertainty of measurement.

Key Features:

High-Grade Stainless Steel Construction: Ensures long-lasting durability and resistance to wear and corrosion.

Plastic Storage Case: Provides secure and safe storage for each calibration weight.

OIML Classification: Available in E2, F1, or F2 classes, offering precision options for various applications.

Cylindrical Shape with Knob: Ergonomically designed for easy handling.

High Polish Finish: Offers a smooth, polished surface and low magnetic permeability for precision applications.

Optional Certification: Available with either a Statement of Accuracy or an ISO 17025:2017 Certificate of Calibration, ensuring traceable calibration and compliance with industry standards.

Cambridgeshire, United Kingdom

5,791 km away

Model Number

2KG

Stock Number

55686

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Applications & Use Cases

Calibration of laboratory balances and scales to ensure accuracy in scientific experiments.
Verification of industrial weighing systems in manufacturing and quality control processes.
Use in pharmaceutical research and development for precise measurement validation.
Metrology laboratories for maintaining standards of mass measurement.
Educational institutions for teaching principles of mass and calibration.

Typical Specifications

Typical weight class: Commonly available in OIML Class E2, F1, or F2, indicating the level of accuracy.
Material construction: Typically high-grade stainless steel for durability and corrosion resistance.
Form factor: Often cylindrical with a knob for ease of handling.
Surface finish: Units of this type commonly feature a high polish finish to minimise magnetic permeability.
Storage: Typically supplied with a protective plastic storage case.
Certification options: Buyers can typically opt for a Statement of Accuracy or an ISO 17025:2017 Certificate of Calibration for traceability.

Frequently Asked Questions

OIML (International Organisation of Legal Metrology) classes (E2, F1, F2) define the maximum permissible error for a weight. E2 offers the highest precision, suitable for calibrating high-accuracy balances, while F1 and F2 are for less stringent applications.

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.