What is the significance of OIML classification for calibration weights?

OIML (International Organization of Legal Metrology) classifications (e.g., E2, F1, F2) define the maximum permissible error for a weight. Higher classes like E2 offer greater precision, suitable for calibrating high-accuracy balances, while F1 and F2 are used 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 low magnetic permeability, which are crucial for maintaining accuracy and long-term stability in precision weighing applications.

Is certification necessary for all calibration weights?

The necessity of certification depends on the application and regulatory requirements. For critical applications requiring full traceability and compliance, an ISO 17025:2017 certificate is typically required. For less critical internal checks, a Statement of Accuracy may suffice.

How should calibration weights be stored and handled?

Calibration weights should be stored in their protective cases in a clean, stable environment to prevent damage, contamination, and temperature fluctuations. They should be handled with clean gloves or forceps to avoid transferring oils or dirt that could alter their mass.

Can these weights be used with any type of balance?

These weights are suitable for calibrating and verifying a wide range of analytical, precision, and industrial balances. The appropriate OIML class of the weight should match or exceed the accuracy requirements of the balance being calibrated.

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

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

Used VWR 2KG Weight - Calibration Weights & Kits, photo 3

Used VWR 2KG Weight - Calibration Weights & Kits, photo 4

Used VWR 2KG Weight - Calibration Weights & Kits

used Equipment

Available

Verified seller

VWR 2KG Weight

Name: VWR 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

5,773 km away

Model Number

2KG

Stock Number

55686

Machinery Masters View

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

Calibration of laboratory balances and scales.
Verification of industrial weighing systems.
Quality control in manufacturing processes.
Metrology and precision measurement laboratories.
Educational and research institutions for experimental accuracy.

Typical capacity: This unit is a 2KG weight. Calibration weights are commonly available in a wide range from milligrams to tens of kilograms.
Material: Units of this type are typically constructed from high-grade stainless steel for durability and corrosion resistance.
OIML Classification: Commonly available in OIML Class E2, F1, or F2, indicating the level of accuracy and tolerance.
Form factor: Typically cylindrical with a knob for ease of handling.
Storage: Often supplied with a protective plastic storage case for safe keeping.
Certifications: Optional Statement of Accuracy or ISO 17025:2017 Certificate of Calibration are commonly available for traceability.

OIML (International Organization of Legal Metrology) classifications (e.g., E2, F1, F2) define the maximum permissible error for a weight. Higher classes like E2 offer greater precision, suitable for calibrating high-accuracy balances, while F1 and F2 are used for less stringent applications.

Calibration weights and kits are essential for maintaining measurement accuracy across laboratories, biotech and pharmaceutical facilities. Buyers typically prioritise certified traceability, material quality and condition of surface finish when purchasing used sets. Industry sentiment favours equipment from established manufacturers with documented calibration history. Common strengths include durability and long operational lifespan when properly stored. When buying used, verify calibration certificates, inspect for corrosion or damage, and confirm all weights in the set are present and accounted for.

General overview for this equipment type

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.