Axial & Transverse Combined Loading Testing System

    • Load meets or exceeds the following standards: ASTM E4, ISO7500-1, EN 10002-2, BS1610, DIN 51221.

    • Strain measurement meets or exceeds the following standards: ASTM E83, ISO 9513, BS 3846 and EN 10002-4.

    • Safety: conform to all relevant European CE Health and Safety Directives EN 50081-1, 580081-1, 73/23/EEC, EN 61010-1

    IEC 62231-1-2015 Composite station post insulators for substations with AC voltages greater than1 000 V up to 245 kV-

    Part 1: Dimensional, mechanical and electrical characteristics

    IEC 61462:2023 Composite hollow insulators - Pressurized andunpressurized insulators for use in electricalequipment with AC rated voltage greaterthan 1 000 V AC and D.C. voltage greater than1500V-Definitions, test methods, acceptancecriteria and design recommendations


    • It adopts hydraulic system to load, load cell to measure test load, computer to control test process and display the test load and test curves, also carry out data processing, saving and printing, operation is easy, and test data is accurate & reliable. 

    • The relative error of indication of the testing machine within the measuring range is less than ± 1% and reaches precision requirement of testing machine. 

    • The testing machine’s appearance is neat and artistic, and height of the operating part is appropriate, easy to operate and observe for the tester. 

    • It is with two columns structural, top ends with screws to adjust the testing space. Both axial and transverse load is with servo control.

    • Manual moveable crosshead, dual lead-screws and base forms stronger loading load frame. It has proper structure, high strength, small deformation to ensure the accuracy and reliability of testing results. 

    • The actuator is installed on the top, dual-screw frame, and the test space is continuously adjustable by manual from 1000-2000mm to facilitate different heights test requirements. 

    • Two pairs of reinforce supporters are built on the lower part of lead screws, which not only increase the stiffness of frame, but also eliminate the influence of lateral force to electronic actuator. 

    • High accuracy load cell with actuator in the top to complete compression test

    • High accuracy load cell with lateral actuator to load horizontally, also important part is linear guide unit to avoid friction force during test. 

    • Test space is designed in lower part of this frame, which is more suitable for operator to put the specimen. 

    • Different test fixtures can be made to meet different test applications

    • Being sole agent of Epsilon extensometer in China, we can offer various deformation measurement solutions for wide applications: Epsilon extensometer, video extensometer, laser extensometer and full automatic extensometer etc. 

  • Data acquisition rate:

    • Up to 50Hz synchronous on load & strain by TE controller & software, custom made up to 1kHz synchronous on load & strain by EDC 220 controller;

    • Load measurement accuracy: ±0.5% or ±1% from range of 1% to 100% FS.

    • Strain measurement accuracy: ASTM E83, ISO 9513, BS 3846 and EN 10002-4.

    • Position measurement accuracy: 1um resolution with standard encoder; position accuracy of ±1% displacement;

    • Hydraulic power supply: 3 phase, 380vac, 50/60Hz

    • Other specification can be tailored upon requests.


    Common specifications (detailed specification on load frame can be tailored upon requests) :

    • Data acquisition rate:

      Up to 50Hz synchronous on load & strain by TE controller & software, custom made up to 2.5kHz synchronous on load & strain by EDCi20 controller;

    • Load measurement accuracy: ±0.5% or ±1% from range of 1% to 100% FS.

    • Strain measurement accuracy: ASTM E83, ISO 9513, BS 3846 and EN 10002-4.

    • Position measurement accuracy: 1um resolution with standard encoder; position accuracy of ±1% displacement;

    • Hydraulic power supply: 3 phase, 380V, 50/60Hz




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Model: CTC Series
Description: CTC series axial & transverse combined loading testing system is used to test tensile, compression, bending tests, as well as tensile - bending, compression - bending composite test of composite insulators according to standard IEC 62231:2006. If test space and load values range allow, can also do the test of other specimens like coil spring, rubber pad for bridge construction. It adopts hydraulic system to load, load cell to measure test load, computer to control test process and display the test load and test curves, also carry out data processing, saving and printing, operation is easy, and test data is accurate & reliable. The relative error of indication of the testing machine within the measuring range is less than ± 1% and reaches precision requirement of testing machine. The testing machine’s appearance is neat and artistic, and height of the operating part is appropriate, easy to operate and observe for the tester. It is with two columns structural, top ends with screws to adjust the testing space. Both axial and transverse load is with servo control.