What Is a Platform Scale?
A platform scale is a weighing instrument designed to measure the mass of objects placed on its platform. These scales are capable of handling particularly heavy and bulky items. With advancements in technology, the limitations on the size and weight of objects have eased, allowing for more versatile usage. Commonly, electric resistance types are used, known as digital or electronic platform scales.
Uses of Platform Scales
Platform scales are utilized for weighing a range of objects, from small-gram-scale items to large-scale items like vehicles and steel materials. They are integral in various industries, including explosion-proof models for hazardous materials, and those with specific features like waterproofing and counting functions.
Features of Platform Scales
Advantages
Analog scales are suitable for non-electric environments and offer versatility. Digital scales provide a wide range of features suitable for different situations.
Disadvantages
While platform scales withstand vertical pressure well, they may be less resistant to lateral impacts, requiring careful selection for environments with risks of side impacts from equipment like forklifts.
Types of Platform Scales
- Analog Platform Scales: Operable without electricity.
- Ball-Receiving Scales: Known for accuracy and durability, suitable for environments with forklifts.
- Ball Receiver with Legs: A type of ball carrier with legs.
- Pedestal with Legs: Less durable but more affordable than ball-receiving types.
- Bogie with Ramp: Enables weighing objects on a dolly.
How to Choose Platform Scales
Selecting the right scale involves considering the size, weight, accuracy requirements, and the environment where it will be used. Ensure the chosen scale is appropriate for the intended application and environment.
1. Size and Weight
Select scales that can comfortably handle the size and weight of objects being measured.
2. Accuracy
Consider both the weight limit and the minimum display unit for accuracy needs.
3. Operating Environment
Choose scales with appropriate features like waterproofing or explosion-proof construction based on the operating environment.
How to Use Platform Scales
For analog scales:
- Place a tare container on the scale and adjust to its weight.
- Add the item to be measured to the container.
- Add weights to balance the scale. (the bar should be horizontal)
- Determine the item’s weight by totaling the added weights.