Cometech QC-656A Máy đo độ lệch nhiệt kỹ thuật số H D T
Product Serial : QC-656A
Digital H.D.T. Heat Deflection Tester
Confirm to ASTM D648 ISO 75-1 Standard
Confirm to ASTM D648 ISO 75-1 Standard
Introduction:
The specimen is given a flexion stress at the center, and the temperature should increase by 2 degrees Celsius per minute. When the specimen’s center undergoes a deflection of 0.254mm, the temperature is determined as the specimen’s deflection temperature. The tester is equipped with touch screen that guides users step by step. A user-friendly interface and standardized process are designed to orientate users in the shortest possible and to reduce test errors. The system has built-in calculation function, user can enter the specimen dimension to get the required weight. During the process, the specimen holder and the weight frame automatically rise and descend to facilitate specimen’s installment. This tester has 6 test stations, each one can show the independent temperature and displacement on the display. When it reaches deflection value, it will record the temperature and stops and start cooling system. Smart testing process is time-saving and requires only a minimum of testers.
The specimen is given a flexion stress at the center, and the temperature should increase by 2 degrees Celsius per minute. When the specimen’s center undergoes a deflection of 0.254mm, the temperature is determined as the specimen’s deflection temperature. The tester is equipped with touch screen that guides users step by step. A user-friendly interface and standardized process are designed to orientate users in the shortest possible and to reduce test errors. The system has built-in calculation function, user can enter the specimen dimension to get the required weight. During the process, the specimen holder and the weight frame automatically rise and descend to facilitate specimen’s installment. This tester has 6 test stations, each one can show the independent temperature and displacement on the display. When it reaches deflection value, it will record the temperature and stops and start cooling system. Smart testing process is time-saving and requires only a minimum of testers.
Relative:
■ QC-661 Digital Vicat Heat Deflection Tester
■ QC-662 Vicat Heat Deflection Tester
■ QC-657B H.D.T. Heat Deflection Tester
| Temperature | Room temperature - 300℃ |
|---|---|
| Temperature Control | 2℃ increase per minute (adjustable) |
| Weight | Weight support 2.7 N. Each station has the following weights: 0.1N×1, 0.2N×2, 0.5N×1, 1N×1, 2N×2, 5N×1, 10N×1 |
| Delfection Reading | 0.001~3.000 mm |
| Flexion Span | 100 mm, 64mm (101.6mm for options) |
| Specimen Support's Surface | R=3.0 mm (able to add the Vicat heat deflection test head) |
| Specimen Dimension | ASTM L=5”(127 mm), d=1/2 ”(12.7 mm), b=1/4”( 6.35 mm) ISO edge wise L=120mm, d=10mm, b=4mm ISO flat wise L=80mm, d=10mm, b=4mm ※Specimen deviation should be±0.1 mm  |
| Temperature Equalization Method | Circulating flow |
| Cooling Method | Water cooling |
| Stations | 6 test stations |
| Oil Chamber Capacity | 25 L |
| Dimension | 48×110×125 cm |
| Weight | 230 kg (Empty); 250 kg (oil inlcuded) |
| Power | Sigle Phase 220VAC |
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