223 Gehman Stiffness Tester, GS-2

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223 Gehman Stiffness Tester, GS-2
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223 Gehman Stiffness Tester, GS-2

The Gehman Stiffness Tester evaluates stiffness or rubber at low temperature according to ISO 1432 (low-temperature stiffening- Gehman test).

The testing operation is automatic and specimens are twisted by means of a wire of known torque at programmed test temperature.

The angle of twist produced at this time is detected and is sent to the data processing unit.

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Description

Specifications

Number of samples Max. 4 samples
Dimensions of sample 3(width) x 2(thickness) x 40(length)mm
Sample grips span 25±3mm
Test temperature range -70 to +23°C
Heat conducting material Ethanol
Cooling system Refrigerator system
Temperature control accuracy ±1°C
Angle of twist 180°
Twist angle detection Least count 0.1°
Power supply
  • Main unit: Single-phase, AC100V, 50/60Hz, 1.1kVA (or specify)
  • Refrigerator: Single-phase, AC100V, 50/60Hz, 0.3kVA (or specify)
Dimensions W300 x D500 x H930mm
Weight (Approx.)
  • Main unit : 68kg
  • Refrigerator: 73kg

Related standards

ISO 1432 Rubber, vulcanized or thermoplastic — Determination of low-temperature stiffening (Gehman test)

 

 

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