Key Highlights
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Manufactured to International Recommendation OIML R111 specifications
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OIML Class F1 accuracy for precision calibration and verification
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Complete calibration weight set covering 500 mg through 50 g
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Supplied with a protective case for safe storage and transport
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Polished surface finish for stable and repeatable weighing results
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Designed for laboratory educational and industrial weighing tasks
The 500 mg â 50 g Calibration Weight Set, OIML Class F1 is designed for reliable calibration and verification across laboratory, educational, and industrial environments. This set offers a practical balance between accuracy and durability, making it suitable for routine balance calibration, verification checks, and tolerance testing.
Manufactured in accordance with OIML R111 international standards, the set includes multiple individual F1 calibration weights housed in a protective case to ensure secure handling and long-term stability. The polished surface finish supports consistent mass performance while minimizing contamination during use.
OIML Class F1 calibration weight sets are commonly used for calibrating Class I and Class II balances, supporting quality assurance programs, student laboratories, and general laboratory applications.
Applications
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Calibration of Class I and Class II analytical balances
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Reference mass verification
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Laboratory traceability programs
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Tolerance testing and compliance checks
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Educational and research laboratory use
Specifications
| Specification | Details |
|---|---|
| Weight Range | 500 mg â 50 g |
| Accuracy Class | OIML F1 |
| Standard | OIML R111 |
| Surface Finish | Polished |
| Packaging | Protective case included |
500 mg through 50 g OIML Weight Set Contents
| Set Range | 500 mg â 1 mg | 500 mg â 100 mg | 50 g â 1 mg | 50 g â 1 g |
|---|---|---|---|---|
| Included Weights | 1 Ã 500 mg 2 Ã 200 mg 1 Ã 100 mg 1 Ã 50 mg 2 Ã 20 mg 1 Ã 10 mg 1 Ã 5 mg 2 Ã 2 mg 1 Ã 1 mg |
1 Ã 500 mg 2 Ã 200 mg 1 Ã 100 mg |
1 Ã 50 g 2 Ã 20 g 1 Ã 10 g 1 Ã 5 g 2 Ã 2 g 1 Ã 1 g 1 Ã 500 mg 2 Ã 200 mg 1 Ã 100 mg 1 Ã 50 mg 2 Ã 20 mg 1 Ã 10 mg 1 Ã 5 mg 2 Ã 2 mg 1 Ã 1 mg |
1 Ã 50 g 2 Ã 20 g 1 Ã 10 g 1 Ã 5 g 2 Ã 2 g 1 Ã 1 g |
| Piece Count | 12 | 4 | 20 | 8 |
| Total Weight | 1.11 g | 1 g | 111.11 g | 108 g |
| Class E1 Part # | 30850 | 30854 | â | â |
| Class E2 Part # | 30851 | 30855 | 96477 | 96478 |
| Class F1 Part # | 30852 | 30856 | 96479 | 96480 |
| Class F2 Part # | 30853 | 30857 | 96481 | 96482 |
| Class M1 Part # | 161537 | â | â | â |
Larger OIML Weight Sets
| Set Range | 500 g â 1 mg | 1 lb | 8 lb | 7.72 lb |
|---|---|---|---|---|
| Piece Count | 7 | 9 | 13 | 16 |
| Total Weight | 710 g | 1 lb | 8 lb | 7.72 lb |
| Part # | 12545 | 12630 | 12652 | 12659 |
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Ensure dependable calibration and verification with OIML Class F1 calibration weight sets from SellEton Scales. 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.