Key Highlights
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Manufactured to International Recommendation OIML R111 specifications
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OIML Class M1 accuracy for general calibration and verification tasks
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Supplied as a single calibration weight kit with protective case
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Includes handling glove for safe and contamination-free handling
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Designed for durability in routine weighing environments
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Nominal value permanently marked on the weight
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Suitable for industrial and laboratory verification applications
The 20 kg ā 1 mg Calibration Weight, OIML Class M1 is designed for dependable performance in routine calibration, verification, and industrial weighing applications. Manufactured in compliance with OIML R111 international standards, this M1 class calibration weight offers a practical balance between accuracy and durability.
Each kit includes a single 20 kg calibration weight packaged in a protective case and supplied with a glove to ensure proper handling. The nominal value is permanently marked on the weight for clear identification and traceability. With a material density of approximately 7.95 g/cm3, this weight delivers stable and repeatable performance suitable for working standards and verification checks.
OIML Class M1 weights are commonly used in quality control processes, tolerance testing, and routine balance verification where consistent results are required but ultra-high precision is not critical.
Applications
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Routine balance verification
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Industrial quality control checks
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Tolerance testing and compliance verification
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Educational and training laboratories
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General laboratory and production environments
Specifications
| Specification | Details |
|---|---|
| Nominal Value | 20 kg |
| Accuracy Class | OIML M1 |
| Standard | OIML R111 |
| Material Density | Approx. 7.95 g/cm3 |
| Nominal Marking | Permanently marked |
| Packaging | Protective case with handling glove |
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Choose reliable and compliant calibration solutions with OIML Class M1 weights 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.








