Is Your Scale Broken? 5 Signs You Need to Replace Your Scales

When a scale is properly maintained and protected, it can last for a very long time. It can deliver accurate measurements and resolution, and the indicator will consistently show a stable weight reading, even after heavy use. Eventually, however, you’ll need to replace your scales.

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You can get years of productivity and reliability out of your scale, but how would you know if your scale isn’t working correctly? In this article, we will uncover the five critical warning signs that indicate your scale might be due for a replacement. Understanding these signs can save your operations from costly inaccuracies and inefficiencies.

How to Tell If a Scale Is Broken

Determining how to tell if a scale is broken requires attention to a few key indicators regarding its performance and condition. Here are some factors to consider:

1. Readings Drift: If the scale registers fluctuating values or inconsistent readings, this could indicate a malfunction. Make sure it holds stable readings under consistent conditions.
2. Environmental Factors: Ensure that the scale is placed on a flat surface and not subjected to extreme temperature or humidity that could interfere with its performance.
3. Appearance of Wear and Tear: Regularly inspect the scale for visible signs of damage or wear. Mechanical components can degrade over time, impacting accuracy.
4. Operational Metrics: If the scale consistently requires recalibration or if it struggles to provide accurate readings even after adjustment, it’s a strong indicator of underlying issues.
5. Display Functionality: Check the legibility of the display. If the readouts are dim or difficult to see, this may be a sign that the scale or its electronics are failing.

5 Signs You Need To Replace Your Scale

1. Inconsistent Readings

If your scale gives inconsistent readings between items of the same weight, this is one of the more obvious signs that it may need to be replaced. If you are unsure, take one item with a known weight (such as a 10-pound free weight) and place it on the scale platform multiple times.

You should see the scale register the same weight each time, then return to the “000” display when the object is removed. If the scale registers anything other than 10 pounds or doesn’t return to zero, this may mean it’s having mechanical problems or load cell problems.

In this case, your scale needs to be calibrated or replaced. Many digital scales have a calibration mechanism that may need to be reset, so check for that as well.

2. Inaccurate Readings Between Scales

This problem occurs when you take the same object and weigh it on another scale that is known to be accurate and well-calibrated. Typically, the problem lies within the load cells of the inaccurate scale.

Depending on the scale you have, it may just need to be calibrated. You should do calibration every year, or even every few months. If you’re unsure how to do it, this article will show how to calibrate your scale the correct way.

However, if you calibrate it and the scale reading is still off, it may be that some of the cells have been shock-loaded. This occurs when an object is dropped onto its platform from a significant height or significant force.

Another possibility may be that your digital scale keeps changing weight because it has been overloaded. Just as the name implies, overloading occurs If a weight is placed on the scale that is far beyond its capacity.

3. Unstable Readings

This refers to a condition where the weight reading does not hold steady on one number. In some scales, this is also referred to as ‘drifting.’ This means that the scale display shows fluctuating weights while the object is firmly on the scale.

This is not dependable when precision is required. It may indicate that there is an electronic malfunction within the digital indicator.

Another common reason for drifting appears when low humidity causes static buildup on your load cells and/or weight controller. When the humidity changes, the static charge in the air does so as well. Your weight controller is looking for very small changes in input voltage, and static discharges can cause the weight reading to drift.

In addition, changes of ambient temperature can also cause drift of the weight readings.

4. Display Readability

Sometimes, the scale display readout can become difficult to see. This can occur when sections of the display are burned out, or when connected to an unreliable power source.

If you can, change the batteries or power source cable. This will rule out a simple malfunction and help you better determine if the display is broken. If so, you may need to replace the display.

Large displays with bright screens will increase legibility, usability, and, ultimately, effectiveness. The Arlyn UpScale Touchscreen Indicator, for example, features a 7-inch, color touchscreen with a resolution of ×600 pixels, a Quad Core processor, and 8GB of storage. If you can’t read your scale’s native display, or quickly recall stored information, it can impact your performance.

5. Rust or Other Corrosive Damage:

Typically, this is a mechanical issue that is seen in environments where moisture or other corrosive elements are abundant. A scale’s moving parts or load cells may come into contact with water or other chemicals that cause the components to degrade and malfunction.

Moving scales between environments with extreme variations in temperature can also result in temporary inaccuracy. Just as other devices are manufactured to be more resistant to specific, harsh conditions, your scale should be suitable for your intended uses. Replace your scales with rust and corrosion-resistant alternatives.

The Lifespan of Industrial Scales

The longevity of an industrial weighing scale, whether it is a sophisticated digital scale or a traditional mechanical scale, varies significantly based on several factors. Regular usage, the environment in which it operates, and maintenance practices all play a role in determining a scale’s lifespan.

Digital scales, known for their precise readings, can show signs of aging differently than their analog scales counterparts. While a digital scale may not exhibit physical wear as obviously, its internal components may degrade over time, impacting its accuracy. Mechanical scales, on the other hand, might show their age more visibly.

The Process of Replacing Your Industrial Scales

When the time comes to replace your scales, it’s crucial to approach the process systematically to ensure you select the best equipment for your needs. Here are the steps and considerations for replacing your industrial scales:

1. Assess Your Current Needs: Evaluate the specific requirements of your operation. Consider the maximum weight your scale needs to measure, the level of accuracy required, and how the scale will integrate into your existing systems.
2. Research the Latest Scale Technologies: Stay informed about the latest scale technologies. Modern smart scales offer features like enhanced data tracking and wireless connectivity, which might benefit your operations.
3. Compare Types and Features: Weigh the pros and cons of different types of scales. Whether it’s a more rugged design for industrial environments or a scale with sophisticated software for data analysis, choose the features that align with your operational goals.
4. Consider Space and Environment: Ensure the new scale fits in the allocated space and is suitable for the environmental conditions of your operation. Factors like the presence of moisture, dust, or chemicals can influence the type of scale you choose.
5. Budgeting and Return on Investment (ROI): Determine your budget for the new scale and consider the ROI. A more expensive scale might offer longer durability or lower maintenance costs, providing better value over time.
6. Vendor Selection: Choose a reputable vendor known for quality products and strong customer support. A good vendor will not only provide a reliable scale but also assist with installation, calibration, and post-purchase support.

By following these steps, you can make a well-informed decision when replacing your industrial scales, ensuring that your new equipment enhances the efficiency and accuracy of your operations.

Arlyn Scales: A Leader in Industrial Weighing Scales

Arlyn Scales is a leader in the weighing industry and has been for the last thirty years. We constantly strive to make the best scales possible at the lowest cost possible. If it’s time for you to replace your scales, we offer every variety you may need.

We achieve this by working to improve our scale manufacturing process on a daily basis. We also research new ways of scale construction and application. We don’t just build a scale for today’s business needs; we build them to adapt to a company’s evolving and emerging concerns and practices.

Our factory is located right next to our office on Long Island in New York. Thanks to this arrangement, we can ship to our customers factory-direct, ensuring that they get the best price possible.

Time to Replace Your Scales

Since we don’t pay middlemen to distribute our scales, we’re able to take the money we save and invest it into scale design and research. This gives our customers a cutting-edge scale that our competition couldn’t beat, even at normal retail prices.

If you want to learn more, please visit our website Jindu.

At Active Scale Manufacturing Inc., we understand that your weigh scale is the heart of your business and that having an accurate and dependable weighing system is essential to the success of your operation. We work hard to ensure the scales we produce are accurate in a variety of industrial environments with exceptional scale accuracy.

Even with the highest quality scale systems, there are still factors you need to be aware of that greatly affect the accuracy of your weighing system. Taking advantage of our expertise can help you ‘weigh’ your options such as where and how the system will be installed and what factors can affect its operation.

What Factors Affect Truck Weigh Scale Accuracy?

1. Load Cell Accuracy

The load cell is the most important component of any digital weighing system.

Also called a transducer, a load cell converts a mechanical force into an electrical signal. In its simplest form, the load cell bends when weight is applied.

In a compression-mounted load cell, where the load cell is beneath the weighing vessel, like a truck scale, the load cell compresses when a load is applied. It then produces an analog output signal proportional to the applied weight or force that is transmitted to a controller that converts the signal into a digital weight measurement.

A malfunctioning load cell can result in inaccurate weight readings. You should be familiar with the following performance elements when looking to understand how load cells function in order to determine where a malfunction is coming from:

Response Time

This refers to the time it takes for a load cell to settle and provide an accurate reading. Response times can be a cause for errors if the load cell is being repeatedly used with little time between weighing sessions.

Nonlinearity

This refers to the maximum deviation of a load cell’s calibration curve from a straight line, charted between zero-weight and maximum rated capacity.

Creep

This refers to the change in the measured weight when a load is left stationary on the cell for a long period of time.

Hysteresis

This refers to the difference in scale output when the same load is measured twice – once increasing from a zero-weight, and a second measurement that is decreased from the load cell’s maximum weight rating.

Temperature

If the location of your load cell is exposed to significant temperature variations, its accuracy can be affected.

2. Scale Load Factors

An inaccurate rate may not be a result of the loading cell, but rather from the load on the scale itself and how it was applied and supported.

Here are just a few things to keep an eye out for when it comes to properly loading or unloading a scale:

• Ensure that the mounting structure located on the ground underneath the scale can fully support not just the scale, but its components and its load without flexing
• Ensure the load is properly aligned so as not to cause the load cell to interpret the force as weight, generating an inaccurate reading
• For vehicle scales, ensure drivers go slowly to prevent abrupt changes in weight
• Ensure the mounting hardware are properly functioning
• Use cross braces on systems that have flimsy support legs to reduce side loads when the support legs spread under strain

3. Environmental Factors

Environmental factors in the vicinity can also impact the accuracy of your weigh scale, such as:

Vibration

If there is equipment that is close by to the weigh scale, sensitive loads can misinterpret these vibrations resulting in incorrect weight readings.

Shock Loading

Suddenly dumping heavy materials on your weighing system can put more force than the maximum rated capacity and damage the system or the load cells.

Unclean Scales

Scales that are not regularly cleaned can build up weight due to dirt and other objects on the scale platform. The weight on the scale must be completely supported by the load cells, which is impossible if there is a significant amount of debris build-up underneath the scale itself.

Wind Loading

Whether your scale is indoors or outdoors, it can be affected by air movement, including air generated from air ducts, or air conditioning units.

Air Pressure Differences

If the air pressure in the calibration environment is different than the air pressure from the operating environment, this can lead to inaccurate measurements.

4. Usage

If your scale undergoes a lot of wear and tear and is constantly being spilled on or dirtied, your readings could become inaccurate. Much like any other type of scale, having debris between the mechanisms will create uncertainty and inaccurate weigh scale readings, and could even cause your weigh system to break down.

Ensuring that everyone who uses the scale understands how to use it safely and properly is also key – don’t let user error or incorrect scale usage cause you headaches and downtime.

5. Interference

Since load cells work by sending an electrical signal that is outputted onto the scale’s digital indicator, any kind of interference during that process can lead to inaccurate weight readings. Here are just a couple of the more common types of interference:

Moisture

From time to time condensation or moisture can build up on the load sensor, which can affect electrical outputs and cause interference in the signals being sent from the load cell to the display indicator.

Temperature

As temperatures increase, wire resistance also increases which causes the voltage to drop leading to the scale controller displaying results that are actually different from the load cell’s output.

At Active Scale, we’ve been providing our customers with highly accurate industrial scales that stand the test of time. Our quality equipment, commitment to service, and maintenance by our certified technicians can keep your business operational today, and in the future.

Contact us today, toll-free at 1-866-284-, if you have any questions about your weighing system.

Are you interested in learning more about Auto Weighing Machine? Contact us today to secure an expert consultation!

Frequently Asked Questions:

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