WSC SERIES-200/300/400/500 Stress Relaxation Testing Machine

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I.Introduction:

The WSC-500 microcomputer controlled tensile stress relaxation tester is mainly used for the tensile stress relaxation mechanical properties test of metal materials (such as steel strands, PC steel bars and steel wires) at room temperature.

The product meets the requirements of GB/T 10120-1996 Metal Stress Relaxation Test Method and GB/T5224-2003 Prestressed Concrete Strand and ASTM E328-1991 Material and Structural Stress Relaxation Test Method. Related requirements for stress relaxation tests.

II.Features:

  • Automatic draw the real time curve of residual stress versus time, temperature versus time and relaxation rate versus time.
  • Automatic calculate 1000 hours stress relaxation rate of the specimen. The calculation method has double logarithm option and single logarithm option and calculating data has entire data option and data at certain time option.
  • High precision temperature recorder attached to record the influence of room temperature variations in the force curve.
  • Servo-controlled drive system ensures the high precision load/displacement close-loop control, besides, it has a very low noise during the whole test.
  • Loading speed could be set arbitrarily.
  • Constant load and constant displacement control could be selected.
  • Automatically calculate stress relaxation properties of the specimen and print complete test diagram.
  • Realize digital calibration of load quickly and accurately, and has over-load protection function.
  • The coordinate of the curves can be automatically adjusted. When the test begins, the system will automatically adjust the coordinate value. During the whole test process, the curves remain complete. The test requirements can be automatically stored, derive and reset.

IIIII. Parameters:

Model

WSC-500

Load Capacity

KN

500

Measuring Range

KN

20-500

Load Resolution

N

15

Load Accuracy

%

±1%

Position Accuracy

%

±0.5%

Loading Speed

N/S

100-5000

Specimen Dimensions

Diameter

mm

φ12.7、φ15.2, ect.

Min. Length

mm

2.4

Machine Dimensions

mm

l2800x530mmx1160mm

Gross Weight

kg

1,500

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