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Static Testing Equipment
Name：LFY-402C Textile Horizontal Friction Static Attenuation Tester
Details
The main purposeThis instrument is suitable for textiles of various compositions and structures that can withstand frictional electrification, to evaluate the difficulty of generating static electricity and the attenuation performance of static electricity for textiles used to make clothing.
Instrument characteristics
1. The instrument consists of a non-contact electrostatic potential measuring device, a mechanical arm friction device, a sampling and A/D conversion circuit, a sample rack translation device and a computer real-time automatic detection and test result processing system.
2. The mechanical arm friction device rubs the sample with a constant number of frictions to make the sample frictionally charged, so as to detect the initial electrostatic voltage and decay time to show the electrostatic charging performance of the tested fabric.
3. The instrument adopts computer control, automatically records the initial voltage and decay time of the sample, and displays the voltage curve with time in real time, which is convenient and intuitive.
Technical index
1. Test sample table: inner hole diameter 72mm±1mm, thickness 1.5mm±0.1mm;
2. Sample holder: inner hole diameter 75mm±1mm, thickness 1mm±0.1mm;
3. Friction table: curvature radius of 250mm, end curvature radius of 6mm, made of insulating material or wood material, the top of which is 1mm higher than the upper surface of the test sample plate;
4. Sensor: within the effective diameter range of 40mm～45mm, 50mm±1mm away from the test sample;
5. Electrostatic voltage calibration source:
6. Calibration electrode: 62mm in diameter;
7. Friction head: wood (130±1)mm×(70±1)mm, thickness (27±1)mm, and (10±1)mm groove inside, which is filled with absorbent cotton to make a blackboard eraser The shape is covered by cotton cloth, and the cotton mass is 11g±1g;
8. Friction pressure: The size of the applied pressure causes a 3mm±0.1mm dent between the friction head and the sample; the adjustment range is 0～8mm±0.1mm
9. Friction speed: 2 times/sec;
10. Electrostatic test range: 15000V; measurement accuracy: ±100V;
11. Calibration electrostatic range: 5000V; measurement accuracy: ±100V;
12. Attenuation ratio: the attenuation range can be set freely within the range of 10% to 90%.
Applicable standards
GB/T 12703.8-2020 Textiles—Test methods for electrostatic propensity—-Part 8: Test method using horizontal mechanical friction
ISO 18080-4-2015 "Textiles-Test methods for evaluating the electrostatic tendency of textiles-Part 4: Test methods for horizontal mechanical friction"
JIS L 1094 2014 "Test Method for Chargeability of Woven Fabrics and Knitwear" Method D
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