Đồng hồ đo độ cứng cao su và nhựa Asker Durometer type E
Hãng: Asker
Model: Durometer type E
Xuất xứ: Nhật Bản
Thông số kĩ thuật:
| ASKER Durometer Type E |
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The ASKER Durometer Type E for soft rubber (low hardness), as specified by JIS K 6253 and ISO 7619.
The application is the same as the standard ASKER Durometer Type C
Widely used for measuring soft rubber, sponges, and other foam elastomers, as well as rolled-threads, -films and textile windings (yarn packages). |
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| Features |
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| Indentor |
 | Height: 2.50mm Shape: Spherical |
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| Pressure foot |
 | The Pressure foot in contact with the specimen is 44mm in width and 18mm in depth, wide enough to ensure accurate measurement. The Longer Pressure Foot Type (EL type)is applicable for measurement of narrow or concave specimens. |
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| 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.
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| Specification |
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| | Standards | | JIS K 6253
ISO 7619 |
| | | Indication range | | 0 point - 100 point (262 degree dial scale) |
| | | Minimum indication | | 1 point (Accuracy : ±1 point) |
| | | Indentor Design (mm) | | Height: 2.50 5.00 Dia. Spherical |
| | | Spring Forces [mN(g)] | | |
| | | Central hole of diameter of Pressure foot | | Φ5.5 |
| | Pressure foot
Dimension (mm) | | 44×18(Rectangular) |
| | | Outer Dimension (mm) | | Approx. Width 57×Depth 30×Height 76 |
| | | Weight (g) | | 200 |
| | | Application | | soft rubber, urethane foam, sponge, rolled-threads, film rolls and pottery clay |
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| Outer Dimension (mm) |
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|  | A custom designed pressure foot durometer is available according to specimen conditions.
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