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GEHMAN’S TORSION TESTER
TM-2535
Ueshima Seisakusho
12 months
Rubber loses resiliency as temperature goes down. The frozen rubber can't keep its essential characteristics under the temperature below Glass Transition Point.
In fact, the rubber applications under severe environments such as vehicle tire in frozen area and aircraft components in the stratosphere are seriously affected.
Our Gehman's torsion tester TM-2535 is the most popular testing machine for this purpose and is adopted by JIS K6261(Equivalent to ISO 1432, ASTM D1053).
Rubber loses resiliency as temperature goes down. The frozen rubber can't keep its essential characteristics under the temperature below Glass Transition Point.
In fact, the rubber applications under severe environments such as vehicle tire in frozen area and aircraft components in the stratosphere are seriously affected.
It is a vital importance with the rubber applicants to test low temperature characteristics of vulcanized rubber.
Our Gehman's torsion tester is the most popular testing machine for this purpose and is adopted by JIS K6261(Equivalent to ISO 1432) for low temperature testing method of vulcanized rubber.
The Model TM-2530 satisfies performance requirements specified by the standard JIS K6261, and equips with the exclusive use frozen machine.
It is also designed to perform measurement and data processing in a full automatic for easier operation.
○ Simultaneous tests of 6 specimens including one specimen which twist/low temperature characteristics is known. The testing capability of this is recommended by the standard JIS K6261 for reliable test data.
○ Temperature-apparent torsion ｎal modulus of rigidity curve is also displayed and recorded in addition to temperature-twist angle curve.
○The computer calculates not only relative modulus but also glass transition temperature(Tg) which is an important measure of low temperature characteristics of rubber.
Model TM-2535
Applicable Standard: JIS K 6261, ISO 1432
Cooling Method: Refrigerator
Number of Samples: 6 (simultaneous measurement)
Temp. Range: -70°C – RT(23°C±2°C)
Temp. Rising Every 5°C (kept at each set temp. for 5 min.)
Temp. Control PID controlled digital temperature controller, sensor PT100Ω
Heat Transfer Medium: Ethanol
Torsion Angle Setting Rotary encoder, minimum angle display: 0.36°
Data Processing: Data (glass transition temp. Tg) display Graph (temp. – torsion angle curve, temp. – apparent torsion modulus curve) Filing (data, test conditions, PID setting)
Release of torsion wire
Safety Device leakage breaker, overheat protector
Power Supply 200VAC, 3 phases, 30A, 50/60Hz (100VAC for PC) or specified voltage
Dimensions (main body) (W)520ｘ(D)780ｘ(H)1505 mm
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