Strip evenness tester ASTM D1425
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Whats/App: +86 185 0176 3615
Web: qinsun-lab.com
The Strip Evenness Tester is suitable for:
(1) Cotton Industry: Testing yarn, roving, and sliver for CV%, U%, thick/thin places, and neps.
(2) Wool Processing: Evaluating short fiber uniformity in wool and blended yarns.
(3) Chemical Fiber Production: Monitoring the consistency of synthetic fibers, including polyester, nylon, and viscose.
(4) Textile Laboratories: Quality control of spun, blended, or pure fiber yarns.
(5) Extended Applications: Can also be applied to research in fiber blending optimization, automated production line monitoring, and textile defect analysis.
Specific products tested include: cotton yarn, wool yarn, hemp yarn, polyester yarn, viscose yarn, blended fiber yarns, roving, and slivers.
Standards
The Strip Evenness Tester aligns with common textile testing standards, including:
(1) ISO 2060:1995 – Textiles – Determination of linear density of yarns (Tex system)
(2) ISO 1833-1:2020 – Textiles – Quantitative chemical analysis of fiber mixtures
(3) ASTM D1425 – Standard Test Method for Evenness of Yarn
(4) GB/T 3811-2010 – Testing of fiber and yarn uniformity
Features
(1) High Precision Measurement: Sensitive capacitance sensors detect minute mass variations in textile strands.
(2) Wide Material Range: Supports cotton, wool, hemp, synthetic, and blended yarns.
(3) Comprehensive Analysis: Provides CV%, U%, imperfections, spectrograms, vari-length curves, and linear density distribution.
(4) High-Speed Testing: Capable of up to 800 m/min for rapid production monitoring.
(5) Automated Operation: Features automatic yarn feeding, zero adjustment, and defect alarms.
(6) Expert Analysis Software: Integrated software for root cause diagnosis and corrective action suggestions.
(7) User-Friendly Interface: Windows-based graphical interface for intuitive operation and visualization.
(8) Data Management: Stores, replays, and prints test data for long-term analysis.
Parameters
| Parameter | Specification |
|---|---|
| Capacitor Detection Slots | 4 |
| Test Range | 4 tex – 80 ktex |
| Test Speed | 8, 25, 50, 100, 200, 400, 800 m/min |
| Test Time | 10 sec – 20 min, adjustable |
| CV%, U% Value Range | 0.2% – 100% |
| Variation-Length Curve | Cutting length: 1 cm – 1000 m |
| Defects Output | Three types simultaneously: - Details: -30%, -40%, -50%, -60% - Coarse section: +35%, +50%, +70%, +100% - Cotton knot: +140%, +200%, +280%, +400% |
| Spectral Diagram | 170 channels, wavelength range 1 cm – 2000 m |
| Linear Density Frequency Distribution | -100% – +100%, +100% – +400% |
| DR% Values | DR(1m, +5%), DR(1m, -5%), DR(20cm, +35%), DR(20cm, -30%) |
| Number of Batch Measurements | ≤20 |
| Power Supply | AC 220V ±10%, 50Hz ±5Hz |
| Power Consumption | ≤400 VA |
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