HP系列

 

用於測量紗線卷、紗線束、紗線軸紗線圓錐體，染色包的繞線密度（硬度）

硬度測量的原理是基於在一個已知的彈簧壓力下，探針刺入被測物體的表面所受到的阻力，刺入程度轉化成硬度計表盤上的硬度值讀數。

 

功能特點：

 

1. 六種不同尺寸的球徑探頭和工作接觸面可供選擇

2. 恆壓力系統消除了由於操作者的差異造成的錯誤讀數

3. 球型探頭防止損傷線軸

4. 工作表面輕微的曲率適合於測量小徑線軸的硬度

5. 特殊的平面的接觸工作面適合測量直徑超過400mm的線軸的硬度

6. 還有情針可供選擇（型號M）

 

 *當外殼的底端被壓到與紅線重合時，則表示壓力達到恆壓力的要求。

 

產品特色：

 

d=2.5mm 球頭：適合高密度捲軸（e.g. 細絲、合成纖維）

d=5mm 球頭：適合中密度捲軸（e.g. 合成纖維、天然纖維、紗線、線）

d=10mm 球頭：適合低密度捲軸（e.g. 粗紗線、地毯纖維）

另有2.5-F、5-F、10-F 三款適合：測量直徑超過 400mm 之大型捲軸樣本

「恆定壓力環」提供穩定下壓力，避免不同測試者施力不均的問題

操作簡單、讀值準確、再現性高

 

產品規格

型號 測頭直徑 HP 2.5 球狀 d=2.5mm HP 5 球狀 d=5mm HP 10 球狀 d=10mm 外環荷重 約12.5N 測量範圍 0.55-8.065N 刻度範圍 0-100 錶頭直徑 d=54mm

 

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Yarn Package Hardness Tester HP 2.5

Textile hardness tester (durometer) to determine winding density of closely wound bobbins of synthetic, finished fibers and filaments

Indentor - ball diameter 2.5 mm
The measuring force is according to shore A regulations

Durometer with curved working face for bobbins with diameter up to 400 mm

Special Features

• The spring loaded outer ring assures a constant measuring pressure and eliminates false readings due to difference between operators
• Ball shaped indentor prevents damage to bobbins
• Working face slightly curved to fit on small bobbins, working face radius 55 mm

• Adjustable Min./Max. indicator marks to highlight working range of the textile durometer
• For bobbins with diameters over 400 mm use durometer model HP 2.5-F with flat working face e.g warping beams
• Optionally available: Calibration certificate with calibration report

Standard Features

• High repeatability
• Easy to use
• Display range 0 - 100 hardness graduation marks
• Certificate of Compliance with the order 2.1 according EN 10204 is included

Operation

For measuring the hardness, the spring-loaded outer ring of the housing is pressed downwards until the edge of the ring meets the red marking on the housing. This ensures a constant pressure and prevents measuring errors.

General:
The principle used to measure textile hardness is based on measuring the resistance force of the penetration of a ball shaped indentor against the spool under a known spring load. The hardness scale covers a range of 0 - 100, were 0 is the smallest and 100 is biggest hardness. The measuring force and the principle relates to the specifications of rubber hardness tester Shore A.

Please note:
There exists no international standard for adjusting and calibration of textile hardness. Therefore we have developed our own test-standard and procedures.

Available Models

Model	Ball Ø	Application
HP 2.5	2.5 mm	for closely wound bobbins of synthetic, finished fibers and filaments
		alternative
HP 5	5 mm	for loosely wound bobbins of synthetic fibers and closely wound natural fibers, yans and threads
HP 10	10 mm	for very loosely wound bobbins of thick yarns, such as carpet yarns

Attachment and Accessories

	Memory Pointer Code M   Memory pointer to capture and store value (last or highest reading) during measuring. Order code: e. g. HP 2.5-M
	Test Stand   Model PSHP for series measurements Click picture for more information

 

	Test Blocks   For Textile Hardness Tester with curved working face Order number: HP-P up to serial-no. 310-5800 Order number: HP-PT from serial-no. 310-5801 Click picture for more information
	Calibration Certificate Calibration certificate with calibration report is optional available.

Delivery Includes

Textile hardness tester with carrying case, Certificate of Compliance with the order 2.1 according EN 10204 free of charge, operating instructions in english or german as requested

 

Specifications

Indentor:	ball Ø 2.5 mm
Area of application:	For closely wound bobbins of synthetic, finished fibers and filaments
Depth of indentation*:	0 - 2.5 mm
Test pressure**:	Approx. 12.5 N
Measuring spring force*:	0.55 - 8.065 N
Display range:	0 - 100 hardness graduation marks
Scale diameter:	54 mm
Working face diameter:	55 mm
Weight, net (gross):	Approx. 300 g (500 g)
Dimensions:	50 x 60 x 110 mm (LxWxH)