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The vibration fiber fineness tester works based on the stringprinciple. First, it measures the natural vibration frequency of the fiber with known vibration fiber length and tensile force, then automatically calculates the linear density of the single fiber. The fineness measurement range is 0.6-40dtex. The instrument is tested quickly and can test the linear density unevenness that reflects the mass distribution of the fiber.
Vibratory fineness tester can measure the fiber line density, and can directly display the linear density of single value, the average and the coefficient of variation. Besides, the external printer can print test results.Instruments and instrument line strength and elongation, can accurately test a single fiber strength, initial modulus and breaking work.

The instrument complies with the national standard GB / T 14335, GB / T 16256, the international standard ISO1973 international chemical fiber and Standardization Bureau (BISFA) standard test method for linear density was measured for single fibers can be widely used in chemical fiber, textile and other manufacturers, testing agencies and research institutes.

GB/T 14335Testing method for linear density of synthetic staple fibers
GB/T 16256Textile fibers-Determination of linear density-Vibroscope method
ISO 1973Textile fibers-Determination of linear density -Gravimetric method and vibroscope method

Items	Parameters
Fineness measurement range	0.6~40 dtex
Fineness error	≤±2％
Vibrating fiber length	20mm
The length error between the upper and lower blade	≤±1％
Pretension clamp precision	≤±0.5％
Frequency error	≤±0.5％
Power	220V~±10％
Weight	10kg
Dimensions	393×300×320(mm)

Start-up fast and tension properties are suitable for a wide range.
Vibratory fineness tester can measure the fiber line density, and can directly display the linear density of single value, the average and the coefficient of variation. Besides, the external printer can print test results.
Instruments and instrument line strength and elongation, can accurately test a single fiber strength, initial modulus and breaking work.