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THT500 Tablet Hardness Tester | Precision Breaking Force Testing for Pharmaceutical Quality Control

THT500 Tablet Hardness Tester for Pharmaceutical Breaking Force Testing

Product Overview:

The THT500 Tablet Hardness Tester is a device used to measure tablet breaking force accurately in pharmaceutical quality control. Its automated operation guarantees that tablets consistently meet international pharmacopoeia standards, such as those in United States Pharmacopeia <1217> and European Pharmacopoeia 2.9.8. By providing reliable and unbiased data, the THT500 plays a vital role in pharmaceutical hardness testing labs and tablet manufacturing facilities, whether producing generic or branded dosage forms.

A tablet hardness tester or tablet compression strength testing is used to determine how much force is required to break a pharmaceutical tablet. This value relates to the mechanical strength of tablets. Testing hardness during production of the tablets is critical because it gives an indication of how well the tablets will withstand the packaging, shipping and handling process. The hardness of the tablets also assures that each tablet contains a consistent amount of medication and meets the rigid requirements set forth by pharmaceutical regulatory requirements and pharmaceutical quality assurance testing protocols.

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What is a Tablet Hardness Tester?

The tablet hardness tester, also called tablet breaking force measurement, evaluates the force needed to fracture a pharmaceutical tablet. This measurement reflects the tablet’s mechanical strength. Hardness testing is crucial in tablet manufacturing because it indicates the tablet’s durability during packaging, transportation, and handling. It also assures that the tablets have a consistent dose and meet the strict standards set by pharmaceutical testing requirements.

Key Specification Highlights:

  • 1- Force Range: Up to 500 N
  • 2- Measurement Accuracy: ±1N
  • 3- Tablet Diameter Range: 1 mm to 36 mm
  • 4- Tablet Thickness Range: 1 mm to 36 mm
  • 5- Test Speed: 0.01 – 3mm (Programmable)
  • 6- Data Output: 2X USB 2.0
  • 7- Unit of measure: Newton (N), Kilogram – force (kgf), Pound of force (lbf)
  • 8- Fully FDA 21 CFR Part 11 compliance
  • 9- Dedicated PC Software for Quality Control and R&D Analysis 

Key Features of the THT500 Tablet Hardness Tester

Compact Design

Multi-Parameter Measurement

The THT500 not only measures tablet breaking force but also offers a complete solution for comprehensive tablet testing. It automatically captures data on crucial physical attributes such as hardness, diameter, thickness, and (for oblong tablets) width. This enables the device to generate a detailed profile of each tablet’s physical characteristics, enhancing batch consistency verification.

Ergonomic and Portable

High-Precision Force Measurement

Equipped with high-precision load cells at the core, the THT500 employs advanced force measurement technologies to deliver accurate and consistent force readings for both precise force application and tablet hardness testing. This tablet hardness value ensures reliability for critical quality control decisions.

Tablet Testing Instruments

Touchscreen Control Interface

The touchscreen interface offers operators an intuitive and user-friendly set of tools to operate the THT500. Its graphical layout guides users through creating, executing, and reviewing tests. A modern design streamlines complex tablet testing parameters, making the advanced features of the tablet hardness testing machine easily accessible to all laboratory staff.

The interface also offers digital tablet hardness tester to operate an intuitive and user-friendly set of tools. It also streamlines the advanced features of the tablet hardness testing machine easily accessible to all laboratory staff.

Pharma Lab Tablet Testing

Integrated Data Management

The THT500 allows integrated data management for seamless digital test data recording. With both individual hardness values and statistical summaries available internally or exported using USB, the THT500 provides all the tools necessary for comprehensive analysis and reporting, ensuring high tablet measurement accuracy. This functionality is extremely important for maintaining appropriate documentation under GMP and FDA 21 CFR Part 11 compliance environments.

Tablet Testing Capabilities

The THT500 has an extensive range of tablet testing capabilities that are critical to contemporary pharmaceutical quality control activities. The primary function of the THT500 is to provide an accurate tablet mechanical strength testing. However, the THT500 also captures other important physical dimensions, including diameter and thickness. Since the THT500 simultaneously measures multiple characteristics in a single test, it provides an overall view of tablet quality. The integrated approach allows QC scientists to quickly correlate the tablet compression force with the tablet compression process, and identifying any issues that may arise before impacting product performance. Also furnishes accurate tablet mechanical strength testing. 

Technical Specifications of the THT500

The following table summarizes the key technical specifications of the THT500 Tablet Hardness Tester. These details provide a clear overview of its measurement capabilities, performance standards, and physical characteristics for tablet hardness tester for quality control laboratories.

Specification Detail
Force Range 0-500 N
Measurement Accuracy ±1N
Resolution 0.01 mm
Units of Measurement Newton (N), Kilogram - force (kgf), Pound of force (lbf)
Tablet Diameter Range 1-36 mm
Tablet Thickness Range 1-36 mm
Test Speed 0.01-3mm (Programmable)
Data Connectivity 2X USB 2.0
Dimensions (W x D x H) LWH 320 x 155 x 130 mm
Weight approx. 9.5 kg

Applications in Pharmaceutical Laboratories

Tablet Testing Instruments

Pharmaceutical Manufacturing

On the production floor, the THT500 is used for testing both in-process and finished tablets. Operators regularly take samples to monitor the compression process, ensuring that tablet hardness stays within specified limits. This real-time feedback enables immediate adjustments to reduce waste and ensure tablets meet strength requirements before packaging. The THT500 helps verify that tablet hardness remains within the allowable range during production, providing instant feedback for necessary adjustments to maintain reliability and stability, thus minimizing waste and ensuring product quality before packaging.

THT500 - Software on Laptop

Research and Development Laboratories

Formulators in R&D use the THT500 for tablet formulation testing in their projects. They examine the relationship between the tablet formulation, compression settings, and the mechanical strength of the tablets. This data is essential for creating tablet formulations that are durable and can withstand the stresses of the tableting process while maintaining their integrity throughout the shelf life.

Formulators in R&D use the THT500 for tablet strength analysis in their projects. They examine the relationship between the tablet formulation, compression settings, and the mechanical strength of tablets. This data is essential for creating tablet formulations that are durable and can withstand the stresses of the tableting process while maintaining their integrity throughout the shelf life, aiding in tablet durability testing.

Ergonomic and Portable

Quality Control Laboratories

The THT500 also functions as the main instrument in QC labs for routine tablet quality control testing. The testing verifies that tablet strength measurement meet registry requirements and offers digital tablet hardness testing data recording to simplify documentation for regulatory submissions and audits. 

Pharma Lab Tablet Testing

Nutraceutical Manufacturing

Beyond pharmaceutical products, the THT500 is also used in the manufacturing of nutraceuticals, allowing companies to evaluate tablet durability for vitamins and supplements designed to withstand transportation and meet both consumer and manufacturer standards for product integrity.

Regulatory Compliance and Testing Standards:

The THT500 Tablet Hardness Tester was designed to meet the stringent requirements of the world’s pharmaceutical regulatory agencies. It has been manufactured based on the performance and methodology of the key pharmacopeial standards, which are important guidelines for all pharmaceutical testing instruments. The unit can perform tests according to the United States Pharmacopeia <1217> (which gives overall rules for breaking force), the European Pharmacopoeia 2.9.8 (which describes the way tablets resist crushing), and the Japanese Pharmacopoeia. By using the THT500 to perform these tests, laboratories demonstrate GMP Compliance with documented evidence that their products meet the necessary quality attributes for patient safety and efficacy. THT500 is also fully compliant with FDA 21 CFR Part 11 when using the dedicated Software, Celeste. Hence tablet hardness testing equipment meets all the pharmaceutical testing standards while considering the guidelines of pharmaceutical analytical instruments.

Operational Benefits for Pharmaceutical Laboratories:

Implementing the THT500 in a laboratory can lead to greater efficiencies; the most significant is reducing operator errors caused by manual methods, resulting in fewer testing mistakes. This will significantly shorten quality control laboratory testing times, thanks to automated documentation and digital test recording features that simplify data management and ensure readiness for regulatory audits. Additionally, by streamlining the tablet hardness measurement process, the THT500 enables skilled analysts to focus on more complex tasks, boosting productivity and efficiency.

Optimizing the Tablet Manufacturing Process with Hardness Analysis:

To optimize the tablet making process, the THT500’s data offer a wealth of knowledge to pharmaceutical scientists on how their formulation and process variables impact the final product in tablet hardness analysis.

One of the main process variables that affect tablet production is the compression force applied during tablet manufacturing. The THT500 can be used to provide a definitive correlation between the compression force and the tablet hardness value.

If the tablet hardness values from the tablet strength analysis are below the desired range, there is a possibility of granulation moisture content too high, punch depth incorrectly set, or blending being incorrectly performed. Therefore, the THT500 is a key instrument to use for tablet production quality control and making corrective actions before producing an inferior product.

Tablet hardness is also an indicator for testing tablet durability. If a tablet has the correct tablet breaking strength measurement, it will be less likely to chip or break while being coated, packaged, or shipped. The integration of the THT500 into a manufacturer’s routine quality checks will ensure that the tablet structural integrity testing will confirm that the tablets delivered to patients will arrive at the intended location in perfect condition. Thus, the use of the THT500 fortifies its standing as a leading pharmaceutical hardness testing equipment solution.

How a Tablet Hardness Tester Works?

Pharmaceutical Laboratories Using Tablet Hardness Testers in North America:

The THT500 precision tablet hardness testing instrument has emerged as an essential component of quality control and developmental research in pharmaceutical testing laboratories throughout North America, including the United States, Canada, and Mexico. The majority of major manufacturers currently depend on this testing equipment to confirm that the quality of orally administered drugs falls within their Quality Assurance Programs for drug product delivery. Contract manufacturers also use the THT500 to provide drug products that meet multiple different quality standards, while laboratories utilize it to study new tablet formulations and drug delivery systems. Throughout the development and commercialization processes of pharmaceutical tablet manufacturing on this continent, the THT500 has earned its reputation as a reliable testing instrument.

A Closer Look at THT500 Technology: Ensuring Measurement Accuracy

The precision of testing system used to measure tablet hardness is based on the accuracy of the components that comprise it. The THT500 has been designed as a complete tablet hardness testing device and combines numerous technologies to provide reliable results every time.

The core of the THT500 is its sophisticated load cell force measurement system. This is by far the most important component of a tablet hardness testing system because it determines the fracture force at which a tablet breaks. The THT500 uses an electronic load cell instead of an older-style mechanical spring mechanism. The THT500’s load cell exhibits exceptional linearity and sensitivity; thus, even small differences in tablet hardness can be accurately measured and recorded. The electronic load cell of the THT500 provides superior resolution when measuring force.

In addition, the THT500 is not limited to a stand-alone unit; it also becomes a complete tablet hardness testing system when combined with Celeste software. Celeste software provides not only tablet hardness analysis for each tablet tested but also ensures data integrity when tablets are tested in regulated environments. When combined with precise hardware and intelligent software, the THT500 is the ultimate tablet testing machine for today’s pharmaceutical laboratory equipment needs; therefore, every tablet measurement result can be verified and validated.

Frequently Asked Questions

What hardness should a pharmaceutical tablet have?

Pharmaceutical tablets do not have a constant hardness value as it is specifically defined by the formulation used and the intended function of the tablet. The range for typical compressed tablets is usually around 40 to 100 Newton (N), as this is a suitable strength to withstand normal conditions of packaging, transport, and handling. At the time of developing the formulation, the hardness is selected to provide optimum strength to meet the prescribed requirements for disintegration and drug release, so that a tablet meets the requirements of the appropriate pharmacopeia.

How does a tablet hardness tester work?

The THT500 tablet hardness tester has an upper and lower jaw, and as it applies force to the tablet at a constant rate through the upper jaw, it measures that force using a load cell. The load cell will then measure how much force is applied to the tablet until the tablet breaks; if the tablet breaks, that is the maximum breaking force, and therefore, it is the tablet’s hardness.

Here the tablet fracture detection occurs when load cell measures the tablet force measurementn throughout the test. The instrument records the maximum tablet fracture force that is applied to the tablet’s hardness value.

What unit measures tablet hardness?

The unit of measure used to describe tablet hardness or breaking force is the Newton (N), but some hardness testers may show results in Kiloponds (kp) or Kilogram-force (kgf). These two other units of measure hold some historical and/or regional significance but are not the preferred units of measure for measuring tablet hardness in the majority of modern pharmacopeias and when scientifically reporting the hardness of tablets in Newtons.

What affects tablet hardness during manufacturing?

The primary factor affecting tablet hardness is the compression force applied during tableting. Other important factors include:

  • Powder or granulation properties (particle size, binder concentration, moisture content)
  • Compression speed and dwell time
  • Tablet size, thickness, and shape
  • Lubricant level in the formulation

These variables influence how strongly the particles bond together during compression.

How many tablets should be tested for hardness?

The USP and the EP (European Pharmacopoeia) do not set forth a defined number of tablets that can be used for hardness-testing purposes because hardness testing is a process control test. Many laboratories routinely perform hardness testing on at least ten tablets to provide an accurate average for analysis and to ensure consistency between batches.


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Request a Quote for the THT500 Tablet Hardness Tester

To learn more about how the THT500 automatic tablet hardness tester can enhance your pharmaceutical quality control operations, we invite you to contact our team. We can provide detailed product information, a comprehensive product brochure, or arrange a technical consultation to discuss your specific tablet testing requirements. A product demonstration can also be scheduled to see the THT500’s capabilities firsthand. Request a quote today to equip your laboratory with this essential pharmaceutical hardness tester and tablet testing machine for pharmaceutical laboratories.

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