Balances or scales should always be checked with reference weights that you can rely on and trust. Our accredited mass laboratories clean, calibrate and adjust your weights, then document the results in calibration certificates with details of conventional mass correction, uncertainty and traceability information according to ISO/IEC 17025.
Crane Test Weights / Heavy-Capacity Test Weights
Safe Handling through Smart Test Weight Engineering
Crane test weights or heavy-capacity test weights are cast-iron or stainless-steel weights for scales with maximum capacities of several tons. They enable simple crane attachment for safe lifting and convenient testing. Choose from cylindrical, rectangular, or unique stackable designs and OIML F1, F2 or M1 classes depending on your need.
OIML Class
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Nominal Value
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Calibration Certificate
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Weight heavy cap. 50kg M1
Heavy Weight, cast-iron, stackable.
OIML Class
M1
Nominal Value
50 kg
Calibration Certificate
No
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Weight heavy cap. 100kg M1
Heavy Weight, cast-iron, stackable.
OIML Class
M1
Nominal Value
100 kg
Calibration Certificate
No
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Weight heavy cap. 200kg M1
Heavy Weight, cast-iron, stackable.
OIML Class
M1
Calibration Certificate
No
Show full specs
Weight heavy cap. 500kg M1
Heavy Weight, cast-iron, stackable.
OIML Class
M1
Nominal Value
500 kg
Calibration Certificate
No
Show full specs
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Useful Related Links
How to Select Test Weights
Test weight selection depends on the accuracy needed to satisfy your process tolerances. Our GWP® Recommendation service specifies the correct test weights and weight class to use to check the performance of your weighing device. Read more
Industrial Weighing Catalog
Envisioning the perfect industrial weighing and processing solution has never been easier. Download the free catalog to identify and select your next manufacturing, quality control, logistics, and service solutions. Read more
Service Offering
Calibrating, Passion at Work
Our unmatched global network of 14 calibration laboratories across Europe, the Americas and Asia guarantee fast and cost-effective mass calibration. Our metrology staff are passionate about their calibration work, to ensure you receive first class service as well as continuously improved results.
Using State-of-the-Art Robotic Mass Comparators
The combination of robotic technology and world-class mass comparators delivers proven reliability and outstanding measurement performance.
Scope up to 5 t
Scopes range from OIML E to M classes and ASTM classes. For heavy-duty weights, services cover all steps from re-painting to calibration, even for weights up to 5 t.
Professional Weight Cleaning
Weights up to 50 kg undergo treatment in a total of six separate customized baths. Each weight is cleaned and stabilized in a fully automated process prior to calibration to ensure uniform surface conditions.
Explore our Services - Tailored to Fit your Equipment
We support and service your measurement equipment through its entire life-cycle, from installation to preventive maintenance and calibration to equipment repair.
Uptime. Support & Repair
Performance. Maintenance & Optimization
Compliance. Calibration & Quality
Expertise. Training & Consulting
Professional Installation - Get it right from the start
FAQ
What are crane test weights used for?
Crane test weights are used for routine testing and calibration of a crane scale or hoist scale.
What industries use crane test weights?
Any industry that utilizes cranes or other heavy-capacity equipment can utilize these weights for calibration of scales up to several tons.
What are the types of crane test weights?
METTLER TOLEDO is one of your options for crane test weight suppliers, and we offer cylindrical, rectangular, or uniquely designed stackable crane test weights.
The cylindrical design features an eyebolt in the center for easy handling by crane and is best for manufacturers who do not need to built up different mass combinations. These crane test weights are available in sizes from 100 - 2000 kg and classes F1/F2.
Our rectangular weights have a low center of gravity due to the shape which allows for easier building up of different mass combinations. These are available in sizes from 1 - 50 kg and classes M1/M2/M3.
Lastly, the cast-iron stackable weighs are available for OIML M1, and they feature a standardized design for easy lifting and smooth, weather-proof construction to reject dust and dirt. The two-component coating provides a smooth surface without cracks or sharp edges.