Yearly Archives: 2024

Scale Theory

filling machine

By May 18, 2024 0 Comments
Last week continuation : Here is a list of the main automatic weighing instruments that must meet the OIML
(International Organization of Legal Metrology) requirements and recommendations: Continuous totalizer – OIML R 50 An automatic instrument that determines the mass of a bulk product placed on a conveyor belt, without the need for a systematic subdivision of the product and without interrupting the movement of the belt. Railway vehicle weighbridge – OIML R 106 An automatic instrument equipped with a load receiver including tracks, on which the railway vehicles are being weighed. Technology Update Weight/price labeler – OIML R 51 An automatic instrument that labels individual items with their weight and price information. Gravimetric filling machine – OIML R 61 An automatic instrument that fills containers with a predetermined and virtually constant mass of bulk production. Weighing in motion is also a common application in rail transport. Trains are weighed, either on the main line or at yards.Weighing in Motion systems installed on the main lines measure the complete weight (distribution) of the trains as they pass by at the designated line speed. Weighing in motion on the mainline is therefore also referred to as “coupled-in-motion weighing”: all of the railcars are coupled. Weighing in motion at yards often measure individual wagons. Itrequires that the railcars are uncoupled on both ends in order to weigh. Weighing in motion at yards is therefore also referred to as “uncoupled-in-motion weighing”. Systems installed at yards usually works at lower speeds and are capable of higher accuracies.
Scale Theory

loadcell

By May 18, 2024 0 Comments
The types of strain gauge loadcells commonly used in platform scales includesingle point, planar beam, bending beam, shear beam, dual shear beam, and Stype loadcells.

Shear Beam LoadCell
A shear beam loadcell has a piece of metal that elastically deforms under the force of a load. The strain is picked up by a strain gauge in the metal and changed to an electrical signal.. Shear beam loadcells are used for medium loads of less than five tons.
Single Point LoadCell
Single point loadcells have an aperture that is the cut out of the body of the loadcell. The aperture controls the thickness of the metal across the loadcell body. When a load is applied, the shape of the loadcell deforms, which is detected by strain gauges as the body of the loadcell is distorted. The deformation creates a voltage signal that is proportional to the force of the weight.
Scale Theory

Resistance Strain Guage Loadcells

By May 18, 2024 0 Comments
Figure shows the inside of a column-type loadcell. The positions of the foil type active and passive strain gauges and their connections can clearly be discerned. These gauges together with their trimming and temperature compensating resistors are wired into a Wheatstone bridge network. The column and base are machined from a one piece forging of special heat-treated high tensile steel. Since that time, however, strain gauges have proliferated both as mechanical scale components and in stand-alone load cells. Today, except for specific laboratories where precision mechanical balances are still used, strain gauge load cells dominate the weighing industry. Resistance Strain Guage Loadcells The loadcell is completed by a cast iron case which encloses the gauged portion, being sealed by O-rings at the top using the machined grooves. The case also carries the output cable socket. The typical cell having a nominal capacity of 20 tons is about 3.5 inches high including the cap and suffers a compression of about 0.006 inch at full load to give an output of some 18mV with a standard input of 10V. An 800 tons cell would be about 17.5 inches high and would compress about 0.025 inch for a similar output. Combined errors are claimed not to exceed + or- 0.1%. The problems of non-axial loading almost disappear if the loadcell can be used in tension instead of compression. In many cases this is not convenient, but when it is, loadcells of the kind illustrated in fig. are available for the purpose.
Blog, Scale Theory

Unit- Weight disposition

By May 18, 2024 0 Comments
A simple spring balance or lever type self-indicating Weighing scale is self-constrained as regards its energy requirements. The disposition of the load provides the energy to move the indicator by an amount proportional to the deflection of the lever work or the extension of the spring.Non – self-indicating and semi – self-indicating scales have the additional energy requirement of the disposition of weights or counter poises, usually a manual operation, but one which can be and has been mechanized. Automatic load balancing, in full or part, by the dispositioning of weights and counter poises by electrical means is a relatively later development.
Unit- Weight disposition - Industrial weighers
Figure shows the back of the main cabinet and the master dial. The Unit-weight handling forks can be seen to be actuated by a sector gear which is locked by a pawl entering an attached subsidiary square notched sector; the pawl is operated by means of a solenoid. At a signal from the slave’s notched disk, the solenoid operates, lifting the pawl and closing twin microswitches by means of an attached lever to start the electric motor turning. Drive is by way of a gearbox and an electro magnetic clutch to a shaft which carries a worm-gear engaged with the sector gear already mentioned. Drive continues until the unit weights thereby positioned bring the pointer on to the chart, when the microswitch in the slave unit opens to drop the pawl and stop the motor.
Scale Theory

Precision Balances

By May 18, 2024 0 Comments
Until the commencement of series research in the middle of the 19th century, accurate weighing had to be done on the conventional swan neckor box end beam scales.In the University of Edinburgh, in 1755 Dr.Black used precision balance to conduct experiments which laid the foundation for modern quantitative chemistry. Figure shows the balance with the glass case removed. The beam is light and well designed. The bearings for the end knife-edges are planes delicately balanced and a relieving device raises the central knife edge from its bearings.
The triple beam balance is an instrument used to measure mass very precisely.Such devices typically have a reading error of ±0.05 grams. Its name refers to its three beams, where the middle beam is the largest, the far beam of medium size and the front beam the smallest. The difference in size of the beams indicates the difference in weights and reading scale that each beam measures. Typically, the reading scale of the middle beam reads in 100 gram increments, the far beam in 10 gram increments, and the front beam can read from 0 to 10 grams.The triple beam balance can be used to measure mass directly from the objects, find mass by difference for liquid and measure out substances.

How does Electronic Weighing Balance work?

As a means of measuring force, the electromagnetic balance method utilizes the electromagnetic force generated from a magnet and coil, whereas the electrical resistance wire method (load cell type) utilizes the change in resistance value of a strain gauge attached to a piece of metal that bends in response to a force.
Comparison between Electromagnetic Type and Load cell Type
Blog

Table Top Weighing Scale – An Overview

By May 18, 2024 0 Comments

Table Top Weighing Scales are compact and adaptable, designed for use on countertops or table surfaces. With a space-saving design, they fit easily on a work surface while taking up minimal space. Lightweight and portable, these scales can be easily transported within a facility. They typically have weight capacities ranging from a few grams to several kilograms, catering to diverse weighing needs. These scales provide high levels of precision and accuracy, ensuring consistent and reliable results. Overall, they offer accurate measurements in a portable and compact design, making them a versatile choice for many applications.

Important Considerations When Selecting a Table Top Weighing Scale

When choosing a table top weighing scale, consider these key factors. Ensure the scale can handle your maximum anticipated weight with a buffer for accuracy. Check the scale’s readability for the smallest displayable increment needed for your tasks to ensure precision and accuracy. Consider the operating environment, ensuring the scale suits conditions like temperature, humidity, and exposure to dust or water. Verify the scale meets industry-specific regulations, especially in stringent fields. Lastly, choose a user-friendly interface to enhance efficiency and minimize errors.

When Is a Table Top Weighing Scale the Best Choice?

Table Top Weighing Scales are ideal for various industries and settings with limited space due to their portability and compact design. They are perfect for weighing smaller to medium-sized items, making them suitable for tasks within the scale’s weight range. These scales are easily movable between locations, enhancing their portability. With high accuracy and precision, they are excellent for tasks requiring detailed measurements.

Common Features and Specification

  • Capacity options: 3kg, 5kg, 10kg, 20kg, and 30kg
  • Waterproof and dust cover models available
  • Body: ABS, Metal and SS Body with Dust Cover
  • Long battery backup time of up to 24 hours
  • High bright LED display for clear visibility
  • Features for piece counting and Liter measurement
  • RS232 interface | Bluetooth | USB | Wifi option for connectivity 

The Table Top weighing scales are commonly applied for various purposes including:

  • General weighing in industries
  • Dairy units for measuring milk or dairy products
  • Weighing meats and Chicken in butcher shops
  • Retail shops for weighing products for sale
  • Hardware shops, Departmental Stores, Hotel, Sweet Stalls,  Grocery weighing, Fruits Vegetable weighing
  • Various Packaging units

Maintaining Your Table Top Weighing Scale

Proper maintenance of your Table Top Weighing Scale is essential for accurate measurements and to extend its lifespan. Follow these guidelines:

  • Regular Cleaning: Clean the scale regularly to remove dirt, dust, or spills that could affect accuracy. Use a soft, non-abrasive cloth or brush to clean the scale’s surface gently.
  • Frequent Calibration: Calibrate your table top scale frequently to ensure accuracy. Follow the manufacturer’s instructions or industry standards for calibration procedures.
  • Avoid Overloading: Never exceeds the scales maximum weight limit, as overloading can lead to inaccurate measurements and potential damage to the scale components.

By following these maintenance practices, you can ensure that your Table Top Weighing Scale performs reliably and delivers accurate measurements throughout its lifespan.

Conclusion

Accurate Electronics is a leading Table Top Weighing Scale Manufacturer, Supplier and Service provider from Coimbatore, Tamilnadu with extensive industry experience and a strong commitment to quality. Consult with our experts for guidance in selecting the right weighing scale for your needs, ensuring accurate measurements and improved operational effectiveness. Trust Accurate Electronics for reliable solutions that meet the highest standards of precision and performance.

ACCURATE ELECTRONICS: Your Pathway To Profitability!!

Blog

Streamline Your Warehouse Operations with Pallet Truck Scales

By May 14, 2024 0 Comments

In the fast-paced world of warehouse management, efficiency is everything. Every minute wasted on manual weighing processes translates to lost productivity and potential revenue. That’s where pallet truck scales come in—a game-changing solution designed to streamline your warehouse operations and boost your bottom line.

What Are Pallet Truck Scales?

A hand pallet truck, commonly known as a manual pallet jack or hand-powered jack, is an essential tool for effortlessly moving materials on pallets within warehouse facilities. These pallet jacks are designed for ease of use and are ideal for navigating tight spaces and transporting palletized goods efficiently.

What sets some hand pallet trucks apart is their integrated measuring system, which allows for quick determination of the weight of loaded pallets. This added feature enhances operational efficiency by providing instant weight data, eliminating the need for separate weighing processes.

Whether you’re loading, unloading, or transporting pallets, a hand pallet truck equipped with a measuring system offers a practical solution for managing materials with precision and ease in your warehouse environment.

The Benefits of Pallet Truck Scales

Enhanced Efficiency:

With pallet truck scales, you can weigh and transport goods in one seamless motion, saving valuable time and resources. Say goodbye to manual weighing processes and hello to streamlined operations.

Improved Accuracy: Accuracy is paramount in warehouse management, and pallet truck scales deliver in spades. With built-in weighing functionality, you can ensure your shipments are weighed accurately every time, reducing the risk of errors and discrepancies.

Increased Productivity: By combining weighing and transportation into a single step, pallet truck scales allow your employees to work faster and more efficiently. This means more goods moved in less time, resulting in increased productivity and throughput.

Cost Savings: Time is money, and pallet truck scales help you save both. By reducing the need for manual weighing processes and minimizing handling time, you can cut costs and maximize profitability in your warehouse operations.

Versatility: Pallet truck scales are versatile tools that can be used across a wide range of industries and applications. Whether you’re in manufacturing, logistics, distribution, or retail, these scales can help streamline your operations and improve efficiency.

How Pallet Truck Scales Work:

To weigh a pallet using a pallet truck scale, follow these simple steps:

  • Position the pallet truck under the pallet like you normally would.
  • Use the hydraulic pump to lift the pallet slightly off the ground.
  • As the pallet lifts, the integrated weighing system on the pallet truck will show the accurate weight on the display.

This seamless process makes weighing efficient during regular handling, eliminating the need for separate steps and optimizing workflow in warehouses. Pallet truck scales are essential for combining pallet handling with precise weighing, streamlining material handling tasks, and ensuring accurate weight measurements for inventory and shipping.

Why Choose Our Pallet Truck Scales?

At Accurate Electronics, we pride ourselves on delivering high-quality pallet truck scales that are built to last. Our scales are designed with durability, accuracy, and ease of use in mind, ensuring they meet the rigorous demands of modern warehouse environments.

With features such as robust construction, easy-to-read displays, and intuitive controls, our pallet truck scales are the perfect solution for streamlining your warehouse operations and maximizing efficiency.

Conclusion

Don’t let outdated weighing processes slow you down. Invest in pallet truck scales from Accurate Electronics and take your warehouse operations to the next level. With enhanced efficiency, improved accuracy, and increased productivity, our scales are the key to unlocking your warehouse’s full potential.

Ready to experience the benefits for yourself? Contact us today to learn more about our pallet truck scales and how they can transform your warehouse operations.

Accurate: Your Pathway To Profitability!!!

Blog

The Importance of Warm-Up Time for Weighing Machines

By May 10, 2024

When it comes to obtaining accurate and precise weight measurements, the warm-up time of a weighing machine is often overlooked. However, allowing sufficient warm-up time is critical for ensuring the reliability and consistency of weight readings. In this blog post, we’ll explore the importance of warm-up time for weighing machines and why it’s essential for achieving accurate results in various applications.

Understanding Warm-Up Time

Warm-up time refers to the period required for a weighing machine to stabilize and reach its optimal operating conditions. During this time, the internal components of the weighing machine, such as the load cell and electronics, adjust to the surrounding environment, including temperature fluctuations and mechanical stresses. Failure to allow adequate warm-up time can lead to inaccurate readings and measurement errors.

Temperature Stability

Temperature variations can significantly impact the accuracy of weighing machines, particularly those with sensitive electronic components. As the temperature of the environment changes, the properties of materials within the weighing machine, such as the load cell and circuitry, may also fluctuate. Allowing sufficient warm-up time enables these components to reach thermal equilibrium, minimizing the effects of temperature-related drift on weight measurements.

Mechanical Stability

In addition to temperature stability, mechanical stability is another crucial factor affected by warm-up time. Mechanical stresses, such as vibrations and mechanical shocks, can disrupt the balance and alignment of the weighing machine’s components, leading to fluctuations in weight readings. Allowing the weighing machine to stabilize during the warm-up period helps mitigate these mechanical effects and ensures consistent performance.

Ensuring Accuracy and Precision

The primary goal of allowing warm-up time for weighing machines is to ensure accuracy and precision in weight measurements. By allowing the machine to stabilize before taking measurements, users can minimize the influence of environmental factors and mechanical disturbances on the accuracy of readings. This is especially important in applications where precise measurements are critical, such as laboratory research, pharmaceutical manufacturing, and quality control processes.

Recommended Warm-Up Times

The warm-up time required for a weighing machine can vary depending on factors such as the type of scale, its design, and the operating environment. In general, manufacturers provide guidelines or specifications regarding the recommended warm-up time for their weighing machines. It’s essential to follow these recommendations closely to ensure optimal performance and accuracy.

Conclusion

In conclusion, the warm-up time of a weighing machine is a crucial factor that directly impacts the accuracy and precision of weight measurements. Allowing sufficient warm-up time enables the machine to stabilize, adjust to environmental conditions, and mitigate the effects of temperature variations and mechanical stresses. By following manufacturer recommendations and allowing adequate warm-up time before taking measurements, users can ensure reliable and consistent results in a wide range of applications.

Blog

The Importance of Regular Maintenance and Calibration for Optimal Performance of Electronic Weighing Scale

By April 24, 2024

In today’s fast-paced business environment, accuracy and precision are paramount. Whether you’re in the jewellery industry, running a laboratory, managing a retail store, or operating a manufacturing facility, the reliability of your weighing scales is crucial. Digital weighing machines have become indispensable tools, offering efficiency and accuracy in measuring everything from precious metals to bulk commodities. However, to ensure consistent accuracy, regular calibration and maintenance are essential.

Understanding Calibration:

Calibration is the process of adjusting a weighing scale to ensure it provides accurate and reliable measurements. Over time, factors such as wear and tear, environmental conditions, and usage can affect the performance of a scale, leading to inaccuracies. Calibration corrects these deviations, bringing the scale back to its specified accuracy level.

The Benefits of Calibration:

  1. Accuracy: Calibration ensures that the readings provided by your weighing scale are precise, helping you to deliver Accurate in measurements.
  2. Compliance: Many industries have regulatory standards that require weighing scales to be calibrated regularly to maintain compliance of Legal metrology department
  3. Quality Control: Calibrated scales are essential for maintaining consistent product quality and meeting customer expectations to increase your profit
  4. Cost Savings: Accurate measurements prevent costly errors such as overfilling containers or underestimating product quantities to gain customer Good will
  5. Longevity: Regular calibration and maintenance can extend the lifespan of your weighing scale, reducing the need for premature replacements.

Frequency of Calibration:

The frequency of calibration depends on several factors, including the type of scale, its usage, environmental conditions, and industry regulations. Generally, high-precision scales used in critical applications may require more frequent calibration compared to scales used for non-critical purposes. It’s important to consult the manufacturer’s recommendations and industry standards to determine the appropriate calibration interval for your weighing scale.

Scale Maintenance Tips:

In addition to calibration, proper maintenance is essential for ensuring the longevity and performance of your weighing scale. Here are some maintenance tips to keep your scale in top condition:

  1. Keep it Clean: Regularly clean the weighing platform and surrounding area to prevent dust and debris buildup.
  2. Handle with Care: Avoid rough handling or dropping the scale, as this can damage internal components.
  3. Avoid Overloading: Never exceeds the maximum capacity of the scale, as this can affect its accuracy and cause damage.
  4. Check for Damage: Inspect the scale for any signs of damage or wear, such as cracks, dents, or loose parts.
  5. Regular Inspection: Periodically inspect the scale for accuracy by testing it with known weights or calibration standards.

 Conclusion:

In conclusion, regular calibration and maintenance are essential practices for ensuring the accuracy, reliability, and longevity of your weighing scales. By investing in proper calibration procedures and following maintenance best practices, you can optimize the performance of your digital weighing machines, minimize downtime, and safeguard your business against costly errors. Remember, when it comes to precision measurement, accuracy is key, and calibration is the pathway to achieving it.

Accurate: Your Pathway to Profitability!!!

Blog

Digital Weighing Scale Problems and Troubleshooting

By April 22, 2024

In the world of precision measurement, the reliability of weighing scales is paramount. Whether you’re in a laboratory, a commercial kitchen, or a manufacturing facility, accurate weight measurements are essential. However, even the most advanced digital weighing scales can encounter issues that compromise their accuracy and effectiveness. In this blog post, we’ll delve into seven common problems faced by weighing scales and provide practical solutions that often go unnoticed.

  1. Calibration Issues

Regular calibration is essential for maintaining the accuracy of weighing scales. Factors such as changes in gravity due to change of place, temperature fluctuations, humidity levels, and wear and tear can impact calibration over time. Without proper calibration, scales may provide inaccurate readings, compromising the reliability of weight measurements.

Solution: Schedule regular calibration sessions with certified technicians to ensure accurate readings. Store the scale in a stable environment with consistent temperature and humidity levels to minimize calibration drift.

  1. Uneven Surface

Placing a weighing scale on an uneven surface can significantly affect the accuracy of weight readings. Uneven surfaces can cause instability, leading to inconsistent measurements. The scale’s sensors may not make proper contact with the surface, resulting in inaccurate readings.

Solution: Always place the scale on a flat, stable surface to ensure accurate weight measurements. If necessary, use leveling feet or shims to stabilize the scale and improve accuracy anti-vibration Tables / Pads can be used for analytical and micro balances.

  1. Zero Errors

Zero errors occur when the scale fails to return to zero after removing all weight. These errors can impact subsequent weight measurements, leading to inaccuracies in readings.

Solution: Recalibrate the scale regularly to ensure it returns to zero properly. Clean the scale’s surface to remove any debris that may interfere with zero readings.

  1. Overloading

Overloading a weighing scale beyond its weight capacity can have severe consequences. It can damage internal components, leading to inaccurate readings and potential safety hazards.

Solution: Adhere to the weight capacity specified by the manufacturer. If weighing heavy objects, use a scale with a higher capacity or divide the load into smaller increments to avoid overloading.

  1. Battery Issues

Low or dying batteries can affect the accuracy of digital weighing scales. Fluctuations in power supply can result in inconsistent readings or complete malfunction of the scale.

Solution: Regularly replace/charge the batteries as recommended by the manufacturer to maintain consistent power supply. Consider using rechargeable batteries for cost-effectiveness and sustainability.

  1. Physical Damage

Physical damage, such as dents or bent components, can disrupt the internal mechanisms of weighing scales, leading to misalignment or sensor malfunction.

Solution: Handle weighing scales with Utmost care and avoid dropping or mishandling them. Regularly inspect scales for signs of damage and address any issues promptly to maintain accuracy.

  1. Unresponsive Buttons

When the buttons on a digital weighing scale become unresponsive, it can impede the user’s ability to operate the scale effectively, leading to frustration and potential errors in weight measurements.

Solution: Clean the buttons and surrounding areas to remove any dirt or debris. If cleaning doesn’t resolve the issue, contact the manufacturer for repair or replacement options.

Why Accurate Electronic Weighing Scales?

Accurate electronic weighing scales play a crucial role in various industries, from pharmaceuticals and laboratories to retail and manufacturing. Reliable weight measurements are essential for quality control, inventory management, and compliance with industry standards. By investing in accurate electronic weighing scales and addressing common issues promptly, businesses can ensure precision, efficiency, and customer satisfaction. Trust in accurate electronic weighing scales for precise measurements and streamlined operations to increase your profit.

Accurate Always Pathway to Your Profitability!!!

 

Newsletter

Scroll To Top
Close
Close
Sidebar
×