TR Tester ET 01
For determination of Low Temperature Retraction
TR Tester, ET 01, for determination of low temperature characteristics by the temperature retraction procedure according to ISO 2921 and ASTM D-1329.
TR Tester, has 6 test stations, is computerized and performs the test automatically after the cooling media has been cooled down and the samples has been mounted. An automatic release of the samples, after the pre cooling period is included.
The computer controls both the temperature rise and measures the length change of the samples. The results are displayed in graph and TR10, TR30, TR50 and TR70 values are calculated. The result can also be presented as a table with length change versus temperature. The TR-values and the table values can be exported to other software such as spreadsheets.
As an extra option, an automatic cooling system with liquid Nitrogen can be supplied.
Technical Specifications of TR Tester |
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|---|---|
Temperature Control |
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| Temperature Range | -80°C to +30°C |
| Accuracy | ±0.5°C |
| Resolution | ±0.1°C |
| Sensor | PT 100, 1/3 DIN |
Length Measurement |
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| Indicators | 6 pc digital encoders |
| Resolution | 0.04mm |
| Measuring Range | 0mm - 150mm |
Test Rig |
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| Rig Material | Stainless steel and aluminium |
| Specimen Sizes | 25mm to 100mm |
| Max Extension | 250% (with 50mm test piece) |
| Test Stations | 6 |
Other Specifications |
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| Dimensions, External | 575mm x 1100mm x 400mm (w x h x d) 575mm x 1420mm x 400mm (w x h x d) Raised Test Rig |
| Weight | Approx 40Kg |
| Cooling Liquid Volume | About 8l |
| Voltage | 220-240 VAC 50/60 Hz (alt 110-120 VAC) |
| Power | 600W |
| Air Supply | 4 - 5 Bar |
| Computer Connection | COM-port (Serial, RS 232C) |
- The casing consists of steel, painted with epoxy paint.
- The rig is raised with the help of a pneumatic cylinder.
- Temperature controller with 0,1 C setpoint and RS232 interface.
- Solid state rely for safe control.
- Temperature sensor close to the samples.
- Run-time meter.
- ET 021 Windows software for the Gehman Tester is included A Pentium 133 with 64 MB RAM or better is required.
Options
- ET 012 Automatic cooling by liquid Nitrogen
- ET 022 Grips for ASTM D1053 method B
See Also
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