Skip to content

500 mg – 50 g Calibration Weight Set, OIML Class E1

Original price $1,334.00 - Original price $2,622.00
Original price
$2,622.00
$1,334.00 - $2,622.00
Current price $2,622.00

Key Highlights

  • Manufactured to International Recommendation OIML R111 specifications

  • OIML Class E1 accuracy for ultra-high precision calibration

  • Complete calibration weight set from 500 mg through 50 g

  • Supplied with protective case, additional small case or vial if required

  • Includes handling equipment for safe and contamination-free use

  • High-polish surface finish for maximum mass stability

  • Accredited calibration certificate included

  • Designed for primary reference and analytical balance calibration

The 500 mg – 50 g Calibration Weight Set, OIML Class E1 is a precision-engineered mass standard set designed for laboratories that demand the highest level of accuracy and traceability. Manufactured in full compliance with OIML R111 international standards, this E1 class set is suitable for use as a primary reference in controlled laboratory environments.

The set includes multiple individual E1 calibration weights covering micro and gram ranges, supplied in a protective case with appropriate handling equipment. A polished surface finish minimizes contamination and supports long-term stability. An accredited calibration certificate is supplied, making this set suitable for accreditation audits, reference calibration systems, and metrology-grade applications.

E1 class weight sets are commonly used for calibrating Class I and Class II analytical balances in pharmaceutical, research, and national metrology laboratories.

Applications

  • Calibration of Class I and Class II analytical balances

  • Primary reference mass standards

  • Laboratory traceability systems

  • Tolerance testing and compliance verification

  • Research and metrology laboratories

Specifications

Specification Details
Weight Range 500 mg – 50 g
Accuracy Class OIML E1
Standard OIML R111
Surface Finish Polished
Material Density 7.95 g/cm3
Certificate Accredited calibration certificate included
Packaging Protective case with handling equipment

 

500 mg through 50 g OIML Weight Set Contents

Set Range 500 mg – 1 mg 500 mg – 100 mg 50 g – 1 mg 50 g – 1 g
Included Weights 1 × 500 mg
2 × 200 mg
1 × 100 mg
1 × 50 mg
2 × 20 mg
1 × 10 mg
1 × 5 mg
2 × 2 mg
1 × 1 mg
1 × 500 mg
2 × 200 mg
1 × 100 mg
1 × 50 g
2 × 20 g
1 × 10 g
1 × 5 g
2 × 2 g
1 × 1 g
1 × 500 mg
2 × 200 mg
1 × 100 mg
1 × 50 mg
2 × 20 mg
1 × 10 mg
1 × 5 mg
2 × 2 mg
1 × 1 mg
1 × 50 g
2 × 20 g
1 × 10 g
1 × 5 g
2 × 2 g
1 × 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 – –
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 – – –

Larger OIML Weight Sets

Set Range 500 g – 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

 

Ensure uncompromising accuracy with OIML Class E1 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.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare