How to distinguish the geotextile effective pore size dry and wet sieve tester?
When purchasing a testing instrument, it's essential to ensure it's suitable for your specific test requirements. The geotextile effective pore size measuring instruments are typically divided into two types: dry sieve method and wet sieve method. Many people often confuse these two instruments, but understanding their differences can greatly assist in making an informed purchase decision.
First, let's take a look at the TSY-3 geotextile effective pore size measuring instrument (dry sieve method). This device is designed to determine the characteristic pore diameter of single-layer geotextiles and related products using the dry sieve principle. It is widely applicable to all types of geotextile products. The instrument complies with several key standards, including GB/T 14799, JTGE50-2006, and SL235-2012.
The technical specifications of the TSY-3 include:
- Sieve diameter: 200mm
- Sieve stack height: 400mm
- Sieve seat amplitude: 8mm
- Vibration frequency: 221 times/min
- Shock frequency: 147 times/min
- Radius of gyration: 12.5mm
- Power supply: 380V, 0.37 kW
- Dimensions: 640 × 430 × 800 mm
- Total weight: 50 kg
Installation of the TSY-3 is straightforward. It can be placed directly on a cement floor or mounted on a foundation. The installation instructions recommend a 300mm thick base and proper electrical wiring according to local codes. After installation, the motor should rotate in the direction indicated by the arrow, and if not, the wiring should be adjusted accordingly.
Now, let's explore the TSY-2 geotextile effective pore size analyzer (wet sieve method). This instrument operates based on the principle of spraying water onto the sample and graded granular material while vibrating at a set frequency and amplitude. The goal is to determine the effective pore size by analyzing which particles pass through the geotextile sample.
The TSY-2 is suitable for all types of geotextile products and meets the requirements of GB/T 17634-1998. Its technical parameters include:
- Inner diameter of the holder: Φ176mm
- Vibration frequency: 50Hz
- Vibration amplitude: 1.5mm (vibration height: 3mm)
- Time setting: 0–99.99s or 0–99 minutes 59s
- Motor: 2800r/min, 550W
- Power supply: 380V
- Dimensions: 680 × 420 × 750 mm
- Weight: 50kg
The operation steps for the TSY-2 include preparing the sample, setting the vibration time, connecting the water supply, and initiating the test. Once the test is complete, the particles that passed through the sample are collected and analyzed according to the standard.
Understanding the differences between dry and wet sieve methods can help you choose the right equipment for your application. Whether you need precision in dry conditions or moisture-based analysis, there's a suitable instrument available to meet your needs.
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