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Laboratory Test Weights Factory

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95# North Construct Road, Choumou, Bieqiao Town, Liyang City, Jiangsu Province, China.

Laboratory test weights are standardized weights that are used to calibrate and verify the accuracy of weighing equipment in a laboratory setting. They are typically made from materials such as stainless steel, brass, or cast iron and are designed to meet specific accuracy and tolerance requirements.
The use of laboratory test weights is critical in ensuring the accuracy and precision of analytical measurements. By regularly calibrating and verifying the accuracy of weighing equipment using test weights, laboratories can maintain the integrity of their analytical results and ensure that their measurements are accurate and reliable.
Test weights come in a variety of sizes and shapes, ranging from small microgram weights to large kilogram weights. They are often sold in sets or kits that include a range of weights to allow for calibration across different weight ranges.
It is important to handle and store test weights carefully to prevent contamination or damage that could affect their accuracy. Many laboratories use specialized storage cases or cabinets to protect and organize their test weights. Regular cleaning and maintenance are also important to ensure that the weights remain accurate and reliable over time.
About Fuyeu
Changzhou Fuyue Weight Co., Ltd

Changzhou Fuyue Weight Co., Ltd is located in Liyang City, Jiangsu Province, a rich and beautiful city. We were built in 1979 and we are always the leading company in the weight industry with a history of 40 years. We are the early and large professional weights manufacturer in China, covering an area of 20,000 square meters and owning the complete weights production line, precision testing equipment as well as experienced technicians. China Laboratory Calibration Weights Manufacturers, Wholesale Stainless Steel Calibration Weights for Laboratory.

Now we mainly manufacture weights from 1mg-2000kg following the standard of “OIML R111-2004” and “ASTM E-617”. The classes of “OIML R111” are E1, E2, F1, F2, M1; The classes of “ASTM” are Class0, Class1, Class2, Class3, Class4, Class5, Class6, Class7. Now our market has been covering our whole country and exporting to over 100 countries and districts worldwide. Our brand FUYUE is known and used by more and more customers. Our weights are widely used for laboratory and testing institutes, balance and scale manufacturers, and food and Pharmaceutical manufacturers, and weighing in the port and freeway. We have received high praise from customers at home and abroad.

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More information about Laboratory Test Weights

Industry Knowledge Extension

What is Laboratory Test Weights

Laboratory test weights are precision weights used to calibrate and verify the accuracy of laboratory balances and scales. These weights are designed to meet strict accuracy requirements and are typically made from high-quality materials such as stainless steel, brass, or nickel.
Laboratory test weights are available in a variety of sizes and denominations, ranging from a few milligrams to several kilograms. They are calibrated to an international standard and are used to ensure that laboratory balances and scales are accurate and provide reliable results.
Accurate weighing is critical in many laboratory applications, such as pharmaceuticals, chemistry, and food production. Laboratory test weights are used to calibrate balances and scales regularly, ensuring that they maintain their accuracy over time.

Exploring the Different Types of Laboratory Test Weights and their Applications

Laboratory test weights are precision weights used to calibrate and verify the accuracy of laboratory balances and scales. There are different types of test weights available for different applications, and each has its unique features and benefits.
Here, we will explore the different types of laboratory test weights and their applications:
1. Stainless steel test weights: Stainless steel test weights are the common type of test weights and are widely used in laboratory applications. They are resistant to corrosion and are available in a range of sizes from milligrams to kilograms.
2. Brass test weights: Brass test weights are commonly used in educational laboratories and for low-precision applications. They are relatively inexpensive and are available in a range of sizes.
3. Cast iron test weights: Cast iron test weights are heavy and durable, making them suitable for high-capacity balances and scales. They are also relatively inexpensive and widely available.
4. Calibration masses: Calibration masses are highly precise and are used for calibrating high-precision balances and scales. They are available in small denominations and are typically made from stainless steel or aluminum.
5. Analytical weights: Analytical weights are highly precise and are used in analytical balance applications. They are available in small denominations, ranging from milligrams to grams.
6. Class F test weights: Class F test weights are highly precise and are used for calibrating precision balances and scales. They are available in small denominations and are typically made from stainless steel or brass.
7. Ultra-class test weights: Ultra-class test weights are the precise test weights available and are used for calibrating ultra-high precision balances and scales. They are typically made from highly polished stainless steel or aluminum.
In conclusion, selecting the right type of laboratory test weight is critical for ensuring accurate and reliable results. The choice of test weight will depend on the application, the required precision, and the capacity of the balance or scale.

Selecting the Right Laboratory Test Weights: A Comprehensive Guide

Selecting the right laboratory test weight is crucial for ensuring accurate measurements and reliable results. With so many options available, choosing the right type of test weight can be challenging. This comprehensive guide will help you navigate the selection process and choose the right laboratory test weight for your application.
1. Identify the Required Accuracy: The accuracy of the test weight must match the required accuracy of the balance or scale. If the balance or scale has a readability of 0.1 mg, the test weight must have an accuracy of at least 0.1 mg.
2. Determine the Capacity of the Balance or Scale: The capacity of the balance or scale determines the maximum weight of the test weight that can be used. If the balance or scale has a maximum capacity of 100 g, a test weight greater than 100 g cannot be used.
3. Consider the Material: Test weights are typically made from stainless steel, brass, or cast iron. Stainless steel is the most common material due to its durability and resistance to corrosion.
4. Select the Appropriate Class: Test weights are classified according to their accuracy, with Class E being the least accurate and Class 1 being the most accurate. The required class of the test weight depends on the required accuracy of the balance or scale.
5. Choose the Right Denomination: Test weights are available in a range of denominations, from milligrams to kilograms. Choose the right denomination that matches the required accuracy of the balance or scale.
6. Verify Traceability: Ensure that the test weight has a certificate of calibration traceable to a national standard, such as NIST or OIML.
7. Consider the Environment: Consider the environment in which the test weight will be used. For example, in a humid environment, a stainless steel test weight may be more suitable than a cast iron test weight, which can rust.
8. Check Compatibility: Ensure that the test weight is compatible with the balance or scale. Some balances or scales may require a specific type of test weight for calibration.
In conclusion, selecting the right laboratory test weight requires careful consideration of accuracy, capacity, material, class, denomination, traceability, environment, and compatibility. By following this comprehensive guide, you can choose the right test weight for your application and ensure accurate and reliable results.