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How to determine the weight of a load before lifting

The vacuum handle for glass is solid and durable; it is made from aluminium alloy and neutral rubber.  Before lifting, it is crucial to calculate the weight of the load to be lifted in proportion to the capacity of the vacuum handle for glass. When you patronize a reliable manufacturer like GRABO, your device comes with instructions on the weight of the load to be lifted and the weight not to be exceeded. Before lifting a load, one of the first things you should do is determine the entire weight of the burden. This should be determined early in the design stages of a lift, as everything else about the overhead lift, including the weight of the load, will need to account for it. Every piece of lifting gear used in the lift, including the hook and everything else below, must be factored into the total weight of the load:

  • Hook block

  • Ropes

  • Lifting beams

  • Shackles, hoist rings, and other hardware

  • Lifting slings

  • Easy Ways to Calculate the Weight of a Load


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You can use a range of various means to determine the weight of the load you intend to lift with your vacuum handle for glass.

Check to see if the weight is marked on the load

A manufacturer like GRABO have marked the load with the weight, or it may have been estimated and marked previously. Before picking, look for any visual indications of load weight.

 Familiarity with the Load

If you're lifting and moving a load around your facility daily, such as a steel coil, a bundle of pipes, or logs, you'll already know how much it weighs. In many cases, your overhead crane was built with a duty cycle and capacity specially designed for that repetitive lifting application; thus, the weight of the load was taken into account when the crane was built. 

Examine the Bill of Lading or other shipping documents.

The shipping documents you received should include some weight information if the load was shipped or delivered to your facility or job site.

Use a Commercial Scale

You might be able to use an industrial floor scale, which is frequently used in manufacturing areas or the shipping and receiving department, for smaller and lighter weights.

Refer to the Manufacturer's Specifications or Catalog Data

If the load is a product or piece of machinery, the weight of the load may be indicated on:

Paperwork provided by the manufacturer Information on the manufacturer or distributor's website Product specifications in a catalogue or product brochure

Devices that can be used to calculate your weight include: 

These gadgets can show the load's measured weight in a variety of ways. Some are mechanical and have an analogue display with a needle and dial, similar to how many bathroom or medical scales work. Some even work with handheld digital devices or computer software to provide the readout to an operator who may be conducting heat.

A load shackle is a fully-rated lifting shackle with integrated electronics and microprocessors for determining the weight of a load once hoisted into the air. Data is also sent to a handheld device or a remote workstation using these types of devices. Overload sensors are built into many load cells and dynamometers, alerting the operator, safety managers, or other people in charge

Always follow the manufacturer's instructions for scheduled maintenance and calibration when utilizing load cells or dynamometers to guarantee your instrument complies and continues to deliver accurate results.

Understanding the weight of the load you intend to raise and move is the first step in planning an overhead lift. If you follow lifting and rigging best practices and create a lift plan before lifting any load into the air, everything else should fall into place.

Determine the sling-style (chain, wire rope, or synthetic) and hitch type you'll use (vertical, basket, or choker). Determine the sling angle. Based on the lift's rating and working load limit, select the appropriate hardware and slings (WLL).

Before any overhead lift, inspect all rigging equipment. Any object that appears to be damaged, deformed, or irregular in appearance should be taken from service and inspected by a qualified person to decide if it can be repaired or disposed of away

Lifting the weight a few inches off the ground to ensure that no swing develops and that the load is secure and the centre of gravity has been accounted for will ensure proper rigging connection and method.

Additional environmental elements can increase resistance to the load's weight, which must be taken into account. Here are a few examples:

A load raised on a muddy surface or dipped in and out of chemicals, or other liquids causes friction or resistance.

  • A load being lifted off of a sloped surface

  • Heavy winds/wind gusts

  • Never lift a load off the ground any higher than you need to, identify possible obstructions, and use a tagline when necessary to provide additional load control.


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A vacuum handle for glass is a must-have device, but it comes with its instructions of usage, specific instructions like the amount of load to be lifted or not to be exceeded should be adhered to. It is also vital that you patronize a reliable and trusted manufacturer like GRABO to get good value for your money. 

vacuum handle for glass
How to determine the weight of a load before lifting