SHL Three-pulley weight sensor

The SHL three-pulley weight sensor is a high-precision force measurement device specially designed for lifting equipment such as truck cranes and crawler cranes without exposed fixed rope ends. This product adopts an innovative three-pulley structure design, which can be directly installed in the pulley block of lifting equipment to monitor the lifting weight in real time and accurately, providing reliable safety guarantee for lifting operations.

Core advantages of the product

• ​Designed specifically for lifting equipmentIt is particularly suitable for lifting equipment such as truck cranes and crawler cranes that have no exposed fixed rope ends
• ​High-precision measurementThe comprehensive error is only ±31TP3 tf.s, and the sensitivity reaches 1.0±0.005mV/V
• ​Heavy load capacityWith rated loads ranging from 10 to 50 tons, we offer various specifications to meet different lifting requirements
• ​Outstanding protective performanceIP66 protection grade, resistant to harsh working environments
• ​Safety overload protection150%F.S safe overload, 200%F.S ultimate overload capacity

Technical specification parameters

​Basic performance parameters​

• 额定载荷：10t, 15t, 20t, 25t, 30t, 40t, 50t
• Comprehensive error: ±31TP3 tF.s
• Sensitivity: 1.0±0.005mV/V
• Zero-point equilibrium: ±11TP3 tF.s
• Input impedance: 750±20Ω
• Output impedance: 703±3Ω
• Insulation resistance: ≥5000MΩ

​Environmental adaptability​

• Operating temperature: -30℃ to +70℃
• Protection grade: IP66
• Excitation voltage: 10-12V DC (maximum 15V DC)

​Size specification (SHL-700 type) :​

• Length: 260mm
• Width: 225mm
• Installation hole position: Standard interface for lifting equipment

Installation and Application

The SHL three-pulley weight sensor is installed in a fixed welding mode and can be directly integrated into the pulley system of lifting equipment. Typical applications include:

• ​Safety monitoring of crawler cranesReal-time monitoring of hoisting weight to prevent overloading accidents
• ​Truck crane weight protectionAccurately measure the weight of the lifted object to ensure operational safety
• ​All kinds of lifting equipmentIt is applicable to various types of lifting machinery without exposed fixed rope ends

Product features

1. ​Direct integration designThere is no need to change the original structure of the equipment. Just replace the original pulley directly
2. ​Real-time monitoringIt provides continuous weight signal output to achieve real-time monitoring
3. ​High reliabilityMade of high-quality materials, it ensures long-term stable operation
4. ​Multiple output interfacesIt provides standard signal output for easy system integration

Professional technical support

We offer comprehensive technical support and customized services

• ​Professional application guidanceWeite technical engineers provide installation guidance and technical consultation
• ​Customized solutionsProvide the best solutions based on the specific requirements of different lifting equipment
• ​Full-process technical serviceComprehensive technical support from selection to installation and use

Safety value

The SHL three-pulley weight sensor is a key device for the safety protection of lifting equipment, capable of:

• Effectively prevent overloading accidents and ensure operation safety
• Improve the accuracy and efficiency of lifting operations
• Reduce equipment wear and tear and extend service life
• Comply with safety regulations and meet regulatory standards