Gehman Stiffness Tester | 223
Gehman Stiffness Tester | 223
Application(s): Stiffness testing of rubber at low temperature
The Gehman Stiffness Tester evaluates the torsional stiffness of rubber at low temperature according to ISO 1432.
The testing operation is automatic and specimens are twisted by means of torsion wires having nominal torsional constants at programmed test temperature.
The angle of twist produced at this time is detected and is sent to the PC.
| ISO 1432 | Rubber, vulcanized or thermoplastic — Determination of low-temperature stiffening (Gehman test) |
| Model | GS-2 |
| Test Stations | 4 |
| Specimen Sizes | Length: 40mm
Width: 3mm Thickness: 2mm |
| Clamps Span | 25±3mm |
| Temperature Range (°C) | -70 to +23 |
| Heat-transfer Medium | Ethanol |
| Cooling System | Refrigerator |
| Temperature Control Accuracy | ±1°C |
| Angle of twist | 180° |
| Torsion Angle Resolution | 0.1° |
| Power Supply | Main unit: Single-phase, AC100V, 50/60Hz, 1.1kVA
Refrigerator: Single-phase, AC100V, 50/60Hz, 0.3kVA (or specify) |
| Dimensions | W300 × D500 × H930mm |
| Weight (approx.) |
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