Tablet Hardness Tester Types and Principles

The hardness tester is a testing instrument used to measure the hardness of solid tablets. It is suitable for large and medium-sized pharmaceutical factories, hospitals, schools, drug inspection departments and other units to conduct hardness testing on tablet drugs. The measurement data provides a reliable basis for the control of the hardness and coating of the drug tablet, packaging and transportation, and a strong basis for the disintegration, release (dissolution) and other related experiments of the tablet. There are many types of tablet hardness testers, and the application range of different series of tablet hardness testers will also be slightly different.Tablet hardness tester plays a positive role in promoting the improvement of drug quality. On the basis of the production hardness tester, a large number of domestic and foreign related materials have been collected, and a large number of investigations have been carried out. Starting from automation and intelligence, the tablet hardness tester has been developed. The instrument uses a single-chip microcomputer control system, stepping motor drive system, high-precision pressure sensor amplifier circuit, LCD display and high-precision transmission system, etc., for a piece of medicine can detect its 4 indicators, weight, thickness, hardness and diameter . So as to ensure the quality control of drugs in the production process.

Functional advantages of tablet hardness tester

1. The hardness, diameter (length), thickness and weight of the sample can be obtained by measuring once.
2. High-precision load cell to ensure measurement accuracy.
3. Chinese LCD display, rich in content, easy to operate.
4. With power-on self-check function, to ensure the normal use of the instrument.
5. With statistical function, the test results can be counted, displayed and printed.
6. It has a fault self-diagnosis function and automatically prompts abnormal phenomena during the test.
7. With real-time calendar clock function, the test and calibration date and time can be printed in the result list.
8. With memory storage function, the parameter state setting can be saved, and there is no need to re-set the parameter every time the machine is turned on.
9. With standard printing interface.
10. With calibration function, display and print calibration results.

Main features of tablet hardness tester

1. High-precision pressure sensor to ensure the accuracy and reproducibility of the test.
2. The display uses a high-definition LCD screen with rich display content. Users can enjoy intelligent operation according to the screen prompts. Chinese character prompts and quantitative indicators are given during each operation.
3. Optional measurement method: manual single chip/automatic continuous.
4. The system can realize automatic tablet pressing, automatic display, automatic lock, automatic reset, automatic cycle test, automatic linear error correction, and automatic fault diagnosis.
5. For automatic continuous tests, the function of querying previous test results is provided, which provides convenience for data recording.
6. Automatically calculate the withdrawal stroke, compress your test duty time.
7. One-key conversion of measurement units (Newton-Kg).

3 Types of Hardness Testers Technical Parameter & Features

1. SYD-1 Tablets Hardness Tester

Main Features:

• SYD-1 manual tablet hardness tester is controlled by a single-chip microcomputer, high-precision pressure sensor, and digital display hardness value.
• It can continuously measure the hardness value of the tablet, manual loading, manual pressurization, automatic display, automatic lock, automatic cycle test.
• The panel adopts PC plastic mask and digital tube display.
• Main components and parts are imported.

Technical Parameters:

• Hardness test range: 0-20Kgt
• Hardness test accuracy: ±0.05kg
• Diameter test range: 20mm

2. SYD-2 Tablets Hardness Tester

Main Features:

• Constant-speed automatic tablet compression to ensure the accuracy and reproducibility of the measurement.
• High precision pressure sensor.
• The high-definition LCD screen is selected for display, and the display content is rich and friendly.
• The system can realize automatic tablet pressing, automatic display, automatic lock, automatic reset, automatic cycle test, automatic linear error correction, and automatic fault diagnosis.
• Automatically calculate the ejection stroke and compression test duty time.
• Provide function keys to delete misoperations.
• Intelligent LCD display, providing real-time multi-information data.
• Optional measurement method: single chip/automatic continuous.
• Users can use standard weights to calibrate the measurement accuracy of the instrument at any time.

Technical Parameters:

• Hardness test range: 15-200N
• Reading resolution: 0.1N
• Hardness measurement accuracy: ±0.5% of reading
• Tablet test diameter: 2mm-40mm
• Repeated measurement error: ±1%
• Number of test pieces per group: ≤100 pieces

3. SYD-3 Tablets Hardness Tester

Main Features:

• Embedded ARM’Cortex-M7′ core processor, with super-performance mechanical A/D module chip, to ensure high-speed acquisition and lossless processing of measurement data. Provide reliable and accurate measurement results for professional users.
• Accumulative tablet pressing mode provides touch keys for pause and continuous work, which is convenient for observing and analyzing the rupture process curve of the sample at any time.
• Real-time display of the whole measurement characteristic curve and coordinate display of the complete test process, providing an intuitive basis for the analysis and evaluation of the hardness of the test product.
• Real-time display: current date and time, pressure, number of slices, speed, average, maximum, minimum, variance, standard deviation.
• Provide hierarchical management of administrator authority and general user authority (password login).
• Provide an English input interface for inputting English, numbers, editing sample names, serial numbers, and operator names.
• Automatically calculate the ejection stroke, compress the test duty cycle, and improve work efficiency.
• Real-time display of the measurement characteristic curve of load change with time.

Technical Parameters:

• Hardness measurement range: 5N-350N(35Kg) and 5N-500N(50Kg) two specifications
• Resolution: 0.01N
• Accuracy: ±1%rdg ± 5dgt
• Measuring diameter: 2mm~40mm
• Adjusting range of compression rate: 0.1mm/s~5mm/s
• Speed adjustment resolution: 0.1mm/s
• Precision: ±1% of setting precision
• Measurement method: single chip accumulation; continuous decrement (the maximum number of measuring chips is 200); preset grouping (maximum 10 groups, 1-20 chips per group)
• Display: 7-inch high-definition touch screen
• Verification: Standard weights can be used to verify the accuracy of the machine. If there is a deviation in accuracy, the user can enter the calibration interface of the instrument; follow the prompts on the screen to easily eliminate the instrument error.

Summary

The tablet hardness tester is used to evaluate the mechanical properties of tablets objectively, sensitively and accurately. Its deformation or force change curve with time and displacement is used for tablet formulation research, process optimization, release mechanism discussion, product control, etc. provides scientific guidance.

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