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Hydraulic Stress Relaxation Testing Machine

Shanghai Bairoe Test Instrument Co., Ltd.
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Shanghai Bairoe Test Instrument Co., Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-38181269
Contact Person:
Mr Andy Lin

Hydraulic Stress Relaxation Testing Machine

Place of Origin : Shanghai China
Brand Name : Bairoe
Certification : ISO 9001, CE
Model Number : MJW-6500
MOQ : 1 set
Price : Negotiable
Packaging Details : wooden case with polyfoam inside
Delivery Time : A month
Payment Terms : 30 days after payment
Supply Ability : 10 Sets / Month
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MJY-6500 Microcomputer Control Electro-Hydraulic Servo Static Load Anchor Testing Machine

Closed-loop control
Prestressed steel stranded wire
Preset multiple loading speed

  • The MJW-6500 series of microchip controlled electro hydraulic servo static load anchor testing machines is a type of all-closed-loop servo-controlled static load testing machine domestically pioneered product exclusively developed and manufactured by our teams, representing the latest technologies in the field of static load testing machine in China. This product is mainly applied to inspect the static load anchoring performance of pre-stress steel strand anchors, which is a must-have testing instrument for pre-stress engineering projects.
  • Our product features a high-stiffness, stable structure. It comprises a large-capacity loading unit that fulfills all the requirements in static load anchoring performance tests. It adopts the leading high-performance AEC-1000 Controller, which is usually equipped on high-end material testing machines. The mechanical components collaborate with the pioneered modular TestLive computer testing software to ensure the stability, precision and reliability of the whole system.
  • The loading jack and front jack are all controlled in a closed-loop setting. Pre-stress steel strand specimen is applied a uniform force and is ready for static load anchoring performance tests right away. The stress on pre-stress steel strand can be loaded at constant speeds of various levels. It can also be set to perform a one-hour hold test by loading custom programs, then increases its load at custom speeds until the specimen is broken.
  • This product complies with the standards and requirements of GB/T 14730-2007.


  • Servo-controlled loading. Controllable pre stress. Load is applied to specimen uniformly.
  • Capable of loading at constant speeds of various levels.
  • Capable of automatic loading or holding by loading program settings.
  • Dynamic display of load, displacement, time and real-time testing curve on the screen.
  • Closed loop control of channels such as load, displacement, etc. Smooth switching in between.
  • Support for holding at constant load or constant displacement.
  • Software online notification of current working status and operating procedures.
  • Engineers may set up testing projects then operators may employ the projects for testing, greatly reduced the difficulty of the operations and the requirement in the skills and trainings of the operator.
  • Domestically pioneered process-oriented design of testing control. Provides users with intuitive testing control procedures and a wide range of instruction types. Also supports dynamic instruction parameter assignment.
  • Rounding off of numerical testing data complies with GB 8170-87 (UDC511.1/2) Rules of Rounding Off for Numerical Values.
  • As many as 20 layers of sensor linear compensation, elevates the precision of the instruments to the next level.
  • Automatically calculates anchoring modulus. Support saving, instant retrieving and inspection of testing results.
  • Capable of re-analyzing test data and curves, and partial zooming of testing curves at will.
  • Support for custom testing report. The electronic form styled report engine processes powerful data inspection capabilities, which is convenient to operate and easy to customize. Generated test reports can be printed and previewed .
  • Integrated with travel limit protection and full scale overload protection.

Technical Specifications:





Load measurement range


Load measurement accuracy


Load resolution

±1/500000 of Max capacity, no stepping, no change in full scale

Piston displacement measurement range

0~200 mm

Displacement accuracy


Piston speed accuracy


Loading speed adjustment Range


Loading speed accuracy

±1%(speed<0.1%F.S./s), ±0.5%(speed≥0.1%F.S./s)

Piston travel

200 mm

Tensile space

3400 mm

Power supply


Main frame dimensions


Hydraulic frame dimensions


Product Tags:

stress testing machine


tensile testing machine

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