Key Highlights
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Manufactured to International Recommendation OIML R111 specifications
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OIML Class M1 accuracy for routine calibration and verification
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Complete 500 g calibration weight set
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Durable surface finish suitable for frequent handling
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Nominal value clearly marked on each weight
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Supplied with a protective storage case
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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.
Specifications
| 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 |
500 g OIML Classification Weight Set Contents
| Weight Included |
500 g – 1 mg |
500 g – 100 mg |
500 g – 1 g |
500 g – 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 |
– |
| 20 g |
(2) 20 g |
(2) 20 g |
(2) 20 g |
– |
| 10 g |
(1) 10 g |
(1) 10 g |
(1) 10 g |
– |
| 5 g |
(1) 5 g |
(1) 5 g |
(1) 5 g |
– |
| 2 g |
(2) 2 g |
(2) 2 g |
(2) 2 g |
– |
| 1 g |
(1) 1 g |
(1) 1 g |
(1) 1 g |
– |
| 500 mg |
(1) 500 mg |
(1) 500 mg |
– |
– |
| 200 mg |
(2) 200 mg |
(2) 200 mg |
– |
– |
| 100 mg |
(1) 100 mg |
(1) 100 mg |
– |
– |
| 50 mg |
(1) 50 mg |
– |
– |
– |
| 20 mg |
(2) 20 mg |
– |
– |
– |
| 10 mg |
(1) 10 mg |
– |
– |
– |
| 5 mg |
(1) 5 mg |
– |
– |
– |
| 2 mg |
(2) 2 mg |
– |
– |
– |
| 1 mg |
(1) 1 mg |
– |
– |
– |
| Piece Count |
24 pcs. |
16 pcs. |
12 pcs. |
4 pcs. |
| Total Set Weight |
1.11111 kg |
1.111 kg |
1.11 kg |
1 kg |
Maintain reliable and repeatable weighing performance with OIML Class M1 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: To the 48 contiguous states (residential, farm and rural deliveries may carry a carrier surcharge).
Ship date: Rice Lake Weighing Systems products ship on the maker's own lead time; we confirm the date when you order, or call 844-735-5386 before you buy.
Tracking: Emailed the moment your order ships.
Questions: (844) 735-5386 or info@selletonscales.com.
