Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination
 


Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination

Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination

ASTM D1053, ISO 1432

Download Gehman Tester ET 02 PDF Download Gehman Tester ET 02 PDF

Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination for determination of the relative stiffness characteristics of vulcanized or thermoplastic rubbers, also called the Gehman procedure. The test is done according to ISO 1432, ASTM D1053, or technical equivalent standards.

The Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination, has 6 test stations, is computerized and performs the test automatically.

The computer controls both the temperature rise and measure the torsion angle of the samples. The results are displayed in a graph and RM2, RM5, RM10 and RM100 values are calculated. The result can be presented as a table.

As an option, an automatic cooling system with liquid Nitrogen can be supplied.

 
Gehman Tester ET 02 - For determination of the Relative Stiffness Characteristics of RubberGehman Tester - ET-02 - Relative Stiffness Characteristics Determination
 
Technical Specifications of Gehman Tester - ET-02 - Relative Stiffness Characteristics Determination
Temperature Control
Temperature Range -80°C to +30°C
Accuracy ±0.5°C
Resolution ±0.1°C
Sensor PT 100, 1/3 DIN
Length Measurement
Indicators 6 pc digital encoders
Resolution, ° 0.2
Measuring Range 0° - 182° (Testing range adjustable from 0-182 °. Adjusted at 0-180 °.)
Test Rig
Rig Material Stainless steel and aluminium
Test Stations 6
Max/Min Test Samples l x w x t, 40±2.5 x 3±0.2 x 2±0.2
Other Specifications
External Size (w x d x h) 630 x (2x710) x 1010 (1260 extended)
Weight 46kg
Cooling Liquid Volume About 8L
Voltage 110-120 /220 - 240 VAC 60/50Hz
Power 600W
Air Supply 4 - 6 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 set point 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
 
 

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