Manufactured to International Recommendation OIML R111 specifications
OIML Class M1 accuracy for routine calibration and verification
Complete 500 g calibration weight set
Durable surface finish suitable for frequent handling
Nominal value clearly marked on each weight
Supplied with a protective storage case
Suitable for industrial laboratory and quality control applications
The 500 g Calibration Weight Set, OIML Class M1 is designed for dependable performance in routine calibration and verification environments. This set is ideal for laboratories and industrial facilities that require reliable working standards for daily weighing tasks rather than ultra-high precision reference weights.
Manufactured in accordance with OIML R111 international standards, the set includes M1 class calibration weights housed in a protective case to ensure secure handling and long-term storage. Each weight is permanently marked with its nominal value for easy identification and traceability. With a material density of approximately 7.95 g/cm3, the set provides stable and repeatable mass performance for quality control and verification processes.
OIML Class M1 calibration weight sets are commonly used for tolerance testing, routine balance verification, and general industrial weighing applications.
| Specification | Details |
|---|---|
| Nominal Value | 500 g |
| Accuracy Class | OIML M1 |
| Standard | OIML R111 |
| Material Density | Approx. 7.95 g/cm3 |
| Nominal Marking | Permanently marked |
| Packaging | Protective case included |
| Weight Included | 500 g ā 1 mg | 500 g ā 100 mg | 500 g ā 1 g | 500 g ā 100 g |
|---|---|---|---|---|
| 500 g | (1) 500 g | (1) 500 g | (1) 500 g | (1) 500 g |
| 200 g | (2) 200 g | (2) 200 g | (2) 200 g | (2) 200 g |
| 100 g | (1) 100 g | (1) 100 g | (1) 100 g | (1) 100 g |
| 50 g | (1) 50 g | (1) 50 g | (1) 50 g | ā |
| 20 g | (2) 20 g | (2) 20 g | (2) 20 g | ā |
| 10 g | (1) 10 g | (1) 10 g | (1) 10 g | ā |
| 5 g | (1) 5 g | (1) 5 g | (1) 5 g | ā |
| 2 g | (2) 2 g | (2) 2 g | (2) 2 g | ā |
| 1 g | (1) 1 g | (1) 1 g | (1) 1 g | ā |
| 500 mg | (1) 500 mg | (1) 500 mg | ā | ā |
| 200 mg | (2) 200 mg | (2) 200 mg | ā | ā |
| 100 mg | (1) 100 mg | (1) 100 mg | ā | ā |
| 50 mg | (1) 50 mg | ā | ā | ā |
| 20 mg | (2) 20 mg | ā | ā | ā |
| 10 mg | (1) 10 mg | ā | ā | ā |
| 5 mg | (1) 5 mg | ā | ā | ā |
| 2 mg | (2) 2 mg | ā | ā | ā |
| 1 mg | (1) 1 mg | ā | ā | ā |
| Piece Count | 24 pcs. | 16 pcs. | 12 pcs. | 4 pcs. |
| Total Set Weight | 1.11111 kg | 1.111 kg | 1.11 kg | 1 kg |
Ā
| Weight Included | 500 g ā 1 mg | 500 g ā 100 mg | 500 g ā 1 g | 500 g ā 100 g |
|---|---|---|---|---|
| 500 g | (1) 500 g | (1) 500 g | (1) 500 g | (1) 500 g |
| 200 g | (2) 200 g | (2) 200 g | (2) 200 g | (2) 200 g |
| 100 g | (1) 100 g | (1) 100 g | (1) 100 g | (1) 100 g |
| 50 g | (1) 50 g | (1) 50 g | (1) 50 g | ā |
| 20 g | (2) 20 g | (2) 20 g | (2) 20 g | ā |
| 10 g | (1) 10 g | (1) 10 g | (1) 10 g | ā |
| 5 g | (1) 5 g | (1) 5 g | (1) 5 g | ā |
| 2 g | (2) 2 g | (2) 2 g | (2) 2 g | ā |
| 1 g | (1) 1 g | (1) 1 g | (1) 1 g | ā |
| 500 mg | (1) 500 mg | (1) 500 mg | ā | ā |
| 200 mg | (2) 200 mg | (2) 200 mg | ā | ā |
| 100 mg | (1) 100 mg | (1) 100 mg | ā | ā |
| 50 mg | (1) 50 mg | ā | ā | ā |
| 20 mg | (2) 20 mg | ā | ā | ā |
| 10 mg | (1) 10 mg | ā | ā | ā |
| 5 mg | (1) 5 mg | ā | ā | ā |
| 2 mg | (2) 2 mg | ā | ā | ā |
| 1 mg | (1) 1 mg | ā | ā | ā |
| Piece Count | 24 pcs. | 16 pcs. | 12 pcs. | 4 pcs. |
| Total Set Weight | 1.11111 kg | 1.111 kg | 1.11 kg | 1 kg |
Ā
Maintain reliable and repeatable weighing performance with OIML Class M1 calibration weight sets from SellEton Scales.Ā Contact our team today to request pricing, confirm availability, or speak with a calibration specialist for your laboratory requirements.
Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
Customer Support: Contact at (844)-735-5386 or info@selletonscales.com for queries or concerns about shipping.
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