Key Highlights
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Manufactured to International Recommendation OIML R111 specifications
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OIML Class E1 accuracy for ultra-high precision calibration
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Complete 500 g calibration weight set
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Polished surface finish for maximum mass stability
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Nominal value clearly marked on each weight
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Supplied with a protective storage case with serial number applied
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Delivered with an accredited calibration certificate
The 500 g Calibration Weight Set, OIML Class E1 is designed for laboratories and metrology environments requiring the highest level of accuracy and traceability. This set is ideal for primary reference applications and precision calibration of analytical balances where strict compliance and long-term stability are essential.
Manufactured in accordance with OIML R111 international standards, the set includes E1 class calibration weights with a polished finish to minimize contamination and handling effects. Each weight is clearly marked with its nominal value, while the protective case is serialized for secure identification and asset control. An accredited calibration certificate is supplied, making this set suitable for regulated environments and accreditation audits.
OIML Class E1 calibration weight sets are commonly used for calibrating Class I analytical balances in pharmaceutical, research, and metrology laboratories.
Specifications
| Specification |
Details |
| Nominal Value |
500 g |
| Accuracy Class |
OIML E1 |
| Standard |
OIML R111 |
| Surface Finish |
Polished |
| Material Density |
Approx. 7.95 g/cm3 |
| Nominal Marking |
Permanently marked |
| Certificate |
Accredited certificate included |
| Packaging |
Protective case with serial number |
500 g OIML Classification Weight Set Contents
| 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
Achieve uncompromising calibration accuracy with OIML Class E1 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: 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.
