![package-hardness-tester-analog](https://www.amithgarmentservices.com/wp-content/uploads/2023/09/package-hardness-tester-analog-150x150.png)
Purpose
Used to determine the hardness/ softness of yarn bobbins/warp beams/cones/cheese etc.
Features
- Portable instrument.
- Also called package density meter.
- Determine density or hardness of yarn cone/package or beams of yarn or fabric.
- Very useful in package dying & yarn dying sections as dyer can separate cones which are too loose or which are too tight.
- Variation in package density leads to “cone to cone dye variations”.
- Avoid damage to bobbins and warp beams.
- Flat working surface is recommended.
- Ideal for bobbins with a diameter of more than 400 mm.
- Hardness Tester with indentation ball of 5 mm diameter is recommended for standard packages.
Related Standards:
- ISO 7211, BSEN 1049