Industrial Crane Scales: Aerospace-Grade Steel & 0.1% Precision Accuracy

Ideal for safe weighing during lifting. Ron Crane Scales are heavy duty, compact and feature extremely long battery life. Available in 0.5t to 30t capacities, wireless or wired, with optional protective cage.

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Type of Loads
Communication
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Single or Multi
Type of Loads
Communication
Display type
By Family
By Model
Capacity in tons

The Global Standard for Industrial Overhead Weighing

Eilon Engineering’s industrial crane scales are specialized overhead lifting devices engineered for the precise measurement of suspended loads. Our unique 90° offset shackle hole design provides maximum stability by reducing the influence of external moments, leading to safer, more stable lifts and more accurate readings. 

Our Ron Crane Scale™ line utilizes aerospace grade steel, fatigue-rated load cell bodies with a 5:1 or 10:1 safety factor and ±0.1% accuracy of the full scale. This dedication to quality has made Ron Crane Scales the benchmark for overhead weighing systems around industries like aerospace, construction, and other heavy rigging operations since 1976.

Technical Comparison: Choosing the Best Crane Scale for Your Application

Model

Ron 2501H (wireless)

Ron 3050 (Integrated display)

Ron 2150H (wired)

Primary use

Long-range safety monitoring

Harsh foundry environments

Fixed rigging & cabled rigs

Transmission/display range

150m standard (up to 3 km optional add-on)

Integrated 2" LED

Up to 50m (165ft) cable

Accuracy

± 0.1% of full scale

± 0.1% of full scale

± 0.1% of full scale

Battery life

2000 hours standard (up to 5000 optional add-on)

Up to 2,000 hours

Up to 2,000 hours

Safety factor

5:1 or 10:1

5:1 or 10:1

5:1 or 10:1

Protection

IP67/NEMA 4

Shock-absorbing cage

IP65 Standard

Engineering Advantages of the Ron Crane Scale™ Series

In industrial weighing, material quality plays a key role in safety and reliability. Unlike many other weighing systems that utilize common alloy steel, Eilon Engineering load cells are constructed exclusively from aerospace-grade low-alloy steel.

Fatigue Rating & ASME BTH-1 Compliance

All Ron systems are fatigue-rated in accordance with ASME BTH-1 standards. So while lesser systems will degrade over time, Ron Crane Scales are designed to withstand an unlimited number of load cycles, so long as the maximum lifting capacity has never been exceeded. This makes them the perfect fit for both safety-minded operations with high-frequency usage and for permanent installations.

Unique 90-Degree Offset Shackle Design

Our proprietary perpendicular shackle hole design reduces bending moments and increases weighing accuracy by up to 25% over traditional in-line designs. By ensuring the load cell remains perfectly vertical, off-axis loading errors are minimized for maximum safety during critical lifts.

Proven Field Performance: From NASA to Offshore

Eilon Engineering has spent five decades providing solutions for weighing during lifting and load monitoring for some of the world’s most demanding organizations.

  • Aerospace: Trusted by NASA, Boeing (Starliner project), and SpaceX for high-precision spacecraft assembly, structural testing, and transportation.

  • Foundries and high heat: Specialized heat-shielded models designed to measure molten metal in high-temperature foundry environments.

  • Maritime: IP67-rated offshore sealing optimized for bollard pull tests and container handling in harsh saltwater conditions.

  • Entertainment: Multi-point load monitoring for world tours, including Metallica, AC/DC, Cirque du Soleil and many others.

Technical FAQ: Expert Buying Guidance

Crane scales have an upper hook and lower shackle, while dynamometers have both upper and lower shackles. This makes crane scales optimal for vertical lifting and weighing operations, while dynamometers can be used for both vertical and horizontal force measurement, such as wire pull tests and cable tensioning.

We recommend annual calibration to maintain the 0.1% precision accuracy. Ron systems support easy, user-performed calibration, allowing for simple field adjustments using a known weight (80% of capacity recommended) without requiring the scale to be returned to the factory.

Yes. Ron wireless technology is based on decades of research and field experience. Wireless Ron systems are regularly used even in highly critical environments such as NASA launch facilities. Our systems use multiple frequencies and long transmission ranges (up to 3 km, optional) to maintain a stable signal—even in environments with significant structural interference or radio noise.