VinSyst VTHT Digital Portable Tablet Hardness Tester

The VinSyst VTHT Digital Portable Tablet Hardness Tester is a specialized pharmaceutical laboratory testing instrument designed to determine the breaking force and mechanical strength of compressed tablets. Manufactured by VinSyst Technologies, this instrument is used in pharmaceutical manufacturing facilities, quality control laboratories, research and development departments and tablet production facilities to evaluate tablet hardness and ensure consistent product quality.

Tablet hardness is an important quality parameter in pharmaceutical manufacturing. Tablets must possess sufficient mechanical strength to withstand handling, packaging, transportation and storage while maintaining their ability to disintegrate and dissolve appropriately after administration. The VinSyst VTHT provides a convenient method of measuring the force required to fracture a tablet, allowing pharmaceutical manufacturers to monitor the consistency of their production processes.

The instrument operates using a load-cell-based force measurement system. During testing, a tablet is placed between two precision-ground platen jaws. One jaw is connected to the load cell, while the other is operated through a mechanical adjustment mechanism. The operator gradually advances the movable jaw until sufficient compressive force is applied to fracture the tablet. The instrument measures and displays the peak force required to break the sample.

The VTHT series is designed to accommodate tablets with diameters ranging approximately from 2 mm to 28 mm. Its force measurement capacity is available in different configurations, with models extending up to 500 Newtons or 50 kgf. The exact capacity and measurement resolution depend on the selected model.

One of the important features of the instrument is its digital LCD display with backlighting. The display provides clear measurement results and allows operators to monitor tablet breaking force during testing. The system supports different measurement units, including Newtons (N), kilogram-force (kgf) and pound-force (lbf), making it suitable for laboratories following different testing procedures.

The instrument also incorporates programmable upper and lower tolerance limits. Operators can define acceptable hardness limits for a particular tablet formulation or production batch. The system provides visual indications using green and red indicators to help identify results within or outside the programmed limits.

The peak-hold function records the maximum force applied during tablet fracture, while the auto-release function supports the completion of the measurement cycle. The instrument also includes a memory facility capable of storing up to ten test results. It can calculate the average of the stored measurements, helping laboratory personnel assess the consistency of tablet hardness across a sample batch.

Another useful feature is its RS-232 communication interface, which supports connectivity with compatible computers and printers. This enables measurement data to be transferred for documentation, reporting and quality-control purposes. Depending on the configuration, optional PC software and a thermal printer may also be available.

The instrument incorporates an acrylic glass safety cover around the tablet testing mechanism. This cover helps contain fractured tablet particles during testing and provides a protective enclosure around the testing area. A disposal container is provided for collecting broken tablet material, supporting convenient laboratory operation and cleaning.

The VinSyst VTHT is designed as a portable laboratory instrument and operates using an external power adapter or rechargeable battery, depending on the supplied configuration. Its compact construction makes it suitable for use in pharmaceutical quality-control laboratories, tablet manufacturing facilities and research laboratories where routine hardness testing is required.

The instrument is applicable to a wide range of compressed tablet products, including pharmaceutical tablets, nutraceutical tablets, food supplements, detergent tablets, dairy-based tablets, animal feed tablets and other compressed solid products. It can support routine production testing, formulation development, process optimization and product quality evaluation.

In pharmaceutical quality assurance, tablet hardness measurements are important for monitoring compression conditions and identifying variations in tablet manufacturing. Tablets that are too soft may break during handling, whereas excessively hard tablets may exhibit undesirable disintegration or dissolution characteristics. The VTHT provides quantitative breaking-force measurements that help manufacturers evaluate these properties as part of their overall quality-control programme.

The VinSyst VTHT Digital Portable Tablet Hardness Tester combines load-cell-based force measurement, digital result display, programmable tolerance limits, data storage and computer connectivity in a compact benchtop configuration. It is a practical testing solution for pharmaceutical manufacturers, research institutions and quality-control laboratories requiring reliable measurement of tablet breaking force.

Important: Tablet hardness is one component of pharmaceutical tablet quality testing and should be evaluated alongside other relevant parameters, such as friability, disintegration and dissolution.

2.1 Applications of Product

1. Pharmaceutical Manufacturing: Testing the breaking force of compressed pharmaceutical tablets.

2. Quality Control Laboratories: Monitoring tablet hardness during production and batch inspection.

3. Tablet Formulation Development: Evaluating the effect of formulation ingredients on tablet strength.

4. Research and Development: Studying tablet compression and mechanical properties.

5. Nutraceutical Industry: Testing vitamins, minerals and dietary supplement tablets.

6. Food Industry: Measuring the breaking force of compressed food products.

7. Detergent Industry: Testing compressed detergent tablets.

8. Dairy Industry: Evaluating compressed dairy-based products.

9. Animal Feed Industry: Measuring the mechanical strength of feed tablets.

10. Pesticide Industry: Testing compressed agricultural chemical tablets.

11. Production Process Optimization: Monitoring tablet compression consistency.

12. Pharmaceutical Stability Studies: Evaluating changes in tablet mechanical strength during storage.

2.2 Product Features

• Digital portable tablet hardness testing system.

• Load-cell-based force measurement.

• Measurement capacity available up to 500 N / 50 kgf.

• Tablet size range of approximately 2–28 mm.

• Measurement accuracy of ±0.5% of full-scale capacity.

• Digital LCD display with backlight.

• Measurement units in Newtons, kgf and lbf.

• Programmable upper and lower tolerance limits.

• Peak-hold measurement function.

• Auto-release function.

• Green and red visual result indicators.

• Memory for up to 10 test results.

• Average calculation of stored measurements.

• RS-232 computer and printer connectivity.

• Acrylic glass safety cover.

• Tablet-fragment disposal container.

• Rechargeable battery operation in applicable configurations.

• External power adapter.

• Compact and portable design.

2.3 Technical Specifications

The specifications below are based on VinSyst VTHT series documentation. The photograph does not establish the exact capacity variant.

Important: The VTHT series has multiple force-capacity variants. Do not advertise 500 N as the confirmed capacity of your individual unit until its model label or calibration certificate is checked.

2.4 Standard and Optional Accessories

Standard accessories documented for the series:

• Power adapter

• Acrylic glass safety cover

• Disposal container

• Cleaning brush

• Storage case

Optional accessories:

• Calibration ring weight with hook

• PC software

• Thermal printer

• IQ, OQ and PQ documentation

The calibration weight visible in your photograph should be listed as included only after confirming it is supplied with the instrument.

2.5 Product Condition

Condition: To be confirmed.

• Brand New

• Refurbished

• Used