I. Introduction to the GST-01 Gel Strength Tester

The GST-01 Gel Strength Tester is a state-of-the-art instrument designed for precise measurement of gel strength. Essential in ensuring product quality and consistency, the GST-01 plays a critical role in various industries. Its primary application is in the food sector, particularly in measuring the gel strength of surimi-based products like imitation crab meat, which directly impacts texture and consumer satisfaction.

II. Importance of Gel Strength Testing

Definition and Importance of Gel Strength

Gel strength is a measure of a gel’s ability to resist deformation under an applied force. It is a crucial quality parameter, particularly in the food industry, where the texture and firmness of products like surimi are key to consumer appeal. The measure of gel strength also extends to other industries such as pharmaceuticals, where it ensures the consistency and efficacy of gel-based medications.

Application Examples

Surimi Industry: In the production of imitation crab meat, gel strength determines the product’s texture and quality.
Pharmaceuticals: Ensures consistency in gel-based medicines.
Adhesives and Other Industries: Critical for product performance and application.

Test Items

WEIGHT: To measure distance at a certain load
PEAK: To measure gel strength
DISTANCE: To measure load at a certain distance

III. Key Features of the GST-01 Gel Strength Tester

Technical Specifications

The GST-01 Gel Strength Tester is engineered with precision and robustness. Its technical specifications include:

Test Range	0-50N (or as required)
Stroke	110mm (without probe)
Test Speed	1~100mm/min
Displacement Accuracy	0.01mm
Accuracy	0.5% F.S.
Control	PLC and human machine interface
Output	Screen, Microprinter, RS232(optional)

Design and Usability

PLC-Controlled Unit: Offers industrial-level stability with HMI touch screen operation.
7-inch HMI Touch Screen: Ensures user-friendly interface and easy operation.
Precision Ball Lead Screw Mechanism: Provides precise control over speed and displacement.
Specially Designed Program: Enhances flexibility in conducting various gel strength tests.
Multiple Fixtures: Allows various texture analyses.
Safety Features: Includes travel limit protection, automatic returning, and load cell protection cover.
Multiple Test Items: Measures weight, peak, and distance accurately.
Dot Matrix Type Microprinter: Facilitates immediate printouts of test results.
RS 232 Port and Professional Software: (Optional) For advanced data management.

Customization

The GST-01 offers customizable settings tailored to specific testing needs. It allows adjustments in testing items and probes to suit different gel strength and texture analyses.

IV. Test Methods

Principle of Gel Strength Testing

The gel strength test evaluates a gel’s resistance to deformation using a punch probe. The probe’s diameter, length, and material are precisely defined to ensure consistent results. Typically, a φ5mm probe at a speed of 60mm/min is used.

How To Measure Gel Strength?

Sample Preparation: Ensure the gel specimen is prepared according to standardized procedures.
Setting Up the Main Parameters: Configure the GST-01 with the correct parameters, including probe specifications and deformation rate.
Performing the Test: Conduct the test by compressing the gel surface until puncture, recording the force and distance.
Recording and Interpreting Results: Analyze the results to assess the gel’s strength and consistency.

V. Applications of GST-01 Gel Strength Tester

Food Industry

Quality Control in Surimi Production: Ensures consistent texture and quality in products like imitation crab meat.
Consistency Checks for Gel-Based Foods: Vital for maintaining product standards in various gel-based food items.

Medical and Pharmaceutical Industries

Testing Gel-Based Medical Products: Ensures the efficacy and consistency of gel-based medical products.
Pharmaceutical Applications: Maintains quality control in gel-based pharmaceuticals.

VI. FAQ

1. What is gel strength and why is it important?

Gel strength measures a gel’s ability to resist deformation under force, critical for determining texture and quality in food and pharmaceuticals.

2. How does the GST-01 Gel Strength Tester work?

The GST-01 uses a punch probe to compress the gel surface at a constant deformation rate until puncture, recording the force and distance to calculate gel strength.

3. What are the key features of the GST-01?

The GST-01 features a 7-inch HMI touch screen, precision ball lead screw mechanism, multiple fixtures, and safety features, making it highly accurate and user-friendly.

4. Can the GST-01 be customized for specific tests?

Yes, the GST-01 offers customizable settings and probes to meet specific testing needs, making it versatile for various applications.

5. What is bloom strength in gel strength testing?

Bloom strength is a measure of the firmness of a gel, typically gelatin, and is defined as the weight in grams required to depress a standard plunger into the gel by 4 mm. It is a key parameter in the food industry to determine the quality and setting properties of gelatin-based products.

GST-01 Gel Strength Tester