Đồng hồ đo độ cứng cao su Asker Durometer Type A , 0 point - 100 point

Mã SP: Đồng hồ đo độ cứng cao su Asker Durometer Type A , 0 point - 100 point
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Hãng: Asker

Model: Durometer Type A

Xuất xứ: Nhật Bản

Thông số kĩ thuật:

ASKER Durometer Type A
dong ho do do cung cao su asker durometer type a , 0 point - 100 point hinh 0


The Type A Durometer for general rubber (Normal hardness )

The mainstream product used world-wide for measuring various kinds of rubbers, and specified in the standards of JIS K 6253, ASTM D 2240, ISO 7619, DIN53505, etc.
Features
Indentor
Height: 2.50mm Shape: Flat Cone Point
dong ho do do cung cao su asker durometer type a , 0 point - 100 point hinh 0
Pressure foot
The Pressure foot in contact with the specimen is 44mm in width and 18mm in depth, wide enough to ensure accurate measurement.

Another type of durometer with an 18mm diameter pressure foot is available. In addition, the Longer Pressure Foot Type (AL Type) is applicable for measurement of narrow or concave specimens .
dong ho do do cung cao su asker durometer type a , 0 point - 100 point hinh 0
Hardness Tester Selection Chart
Our product line consists of various types of durometers applicable to specific materials
as indicated in the chart above.

Type A Durometer (ASKER A type), conforming to JIS K 6235 is the most popular type of durometer for measuring rubber hardness.

However, verification is recommended because a significant difference is estimated to be the largest when a durometer indicates measurement values from 10 to 90 points.

For hard specimens for which Type A Durometer readings indicate more than 90 points, measurements should be undertaken using the Type D Durometer (ASKER D type). However, for soft specimens with measurements of less than 20 points, the ASKER C type or Type E Durometer (ASKER E type) should be used. The most important consideration in using durometers is to select the correct type for purposes of measurement according to the specimen.


Specification
Standards JIS K 6253
JIS K 7215
ASTM D 2240
ISO 7619
ISO 868
DIN 53505
Indication range 0 point - 100 point (262 degree dial scale)
Minimum indication 1 point (Accuracy : ±1 point)
Indentor Design (mm) Height: 2.50 35°Angle Flat Cone Point 0.79 Dia.
Spring Forces [mN(g)]
0 point: 550(56)
100 point: 8050(821)
Central hole of diameter of Pressure foot Φ3
Pressure foot
Dimension (mm)
44×18(Rectangular)
Outer Dimension (mm) Approx. Width 57×Depth 30×Height 76
Weight (g) 200
Application general rubber, soft plastic


Outer Dimension (mm)
A custom designed pressure foot durometer is available according to specimen conditions
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