What is the primary purpose of a calibration weight?

Calibration weights are used to verify and adjust the accuracy of weighing instruments, ensuring they provide precise and reliable measurements.

How often should calibration weights be re-calibrated?

The re-calibration frequency depends on usage, environmental conditions, and regulatory requirements. Annual re-calibration is common, but some applications may require more frequent checks.

Can this 500g weight be used with any balance?

This 500g weight is suitable for calibrating balances with a capacity that includes 500g and a readability appropriate for the weight's accuracy class. Always check your balance's manual for recommended calibration weights.

What is the significance of the OIML class?

The OIML class (e.g., E2, F1, M1) indicates the weight's tolerance and uncertainty. A higher class (e.g., E2) signifies greater accuracy, making it suitable for calibrating more precise instruments.

How should calibration weights be handled and stored?

Weights should be handled with clean, lint-free gloves or forceps to avoid transferring oils or dirt. Store them in their protective cases in a stable, clean environment to prevent damage and contamination.

Used Ohaus 500g Weight - Calibration Weights & Kits, photo 1

Used Ohaus 500g Weight - Calibration Weights & Kits, photo 2

Used Ohaus 500g Weight - Calibration Weights & Kits, photo 3

Used Ohaus 500g Weight - Calibration Weights & Kits

used Equipment

Available

Verified seller

Ohaus 500g Weight

Name: Ohaus 500g Weight
Brand: Ohaus
SKU: 40268
Price: 50 GBP
Availability: InStock

Price: £ 50

This listing is for a Ohaus 500g Weight. The unit is in full working condition and is ready for immediate release.

Cambridgeshire, United Kingdom

5,773 km away

Model Number

500g

Stock Number

40268

Machinery Masters View

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

Used for calibrating analytical balances and precision scales in laboratory settings.
Essential for verifying the accuracy of weighing instruments in pharmaceutical production and quality control.
Utilised in biotech research for ensuring precise measurement of reagents and samples.
Applied in metrology laboratories for maintaining traceability of mass standards.
Suitable for routine checks of weighing equipment in food processing quality assurance.

Nominal Mass: This specific unit is 500g; other units in this class typically range from milligrams to kilograms.
Material: Commonly made from stainless steel or brass, often with a polished finish for stability and corrosion resistance.
Accuracy Class: Typically conforms to OIML (International Organization of Legal Metrology) standards, such as E2, F1, F2, M1, depending on the required precision.
Construction: Solid, one-piece construction is typical for stability and long-term mass integrity.
Adjustability: Higher class weights may feature an adjustment cavity for fine-tuning, though simpler weights are often solid.
Storage: Typically supplied with a protective case or individual compartment within a kit to prevent damage and contamination.

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.