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Universal material testing machine

Universal material testing machine

Model: WDW-100Y/ WDW-200Y / WDW-300Y (100 ~300KN)

Universal Material Testing Machine (UTM) is a sophisticated instrument designed to evaluate mechanical properties of various materials under controlled loading conditions. It's called "universal" because it performs multiple types of tests—tensile, compression, bending, shear, peel, and tear—on a wide range of materials including metals, plastics, composites, rubbers, and textiles .
UTMs serve as the cornerstone of quality control, research and development, and material certification across industries. They provide accurate data for product design, safety assessment, and compliance with international standards.


Floor type two columns WDW Series Computer Control Electronic Universal Testing Machine made by UNITEDTEST range from 100KN to 300KN load capacity, matched with UNITEDTEST design and produced various test fixture, like peel, flexure, puncture, tear, pneumatic grip, belt tension etc., this UTM can be used to almost all materials include but not limited to steel rod, rubber, steel wire, plastic, seat belt, textile, wood, panel etc., mechanical performance inspection.  

Load weighing system meets or exceeds the requirements of the following standards: ASTM E4, EN10002-2, BS 1610, DIN 51221, ISO 7500-1.

General introduction

UnitedTest Dual Column Floor Type Testing Systems are universal, static tensile testing systems that perform tensile and compression testing; and also perform shear, flexure, peel, tear, cyclic, and bend tests.  This series are engineered for precision, built for durability, and offer the flexibility for changing requirements.They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. 

Dual column systems are multi-purpose instruments that are commonly used for plastics, metals, rubber materials, automotive components, composites, and non-ambient temperature applications.
Load weighing system meets or exceeds the requirements of the following standards: ASTM E4, EN10002-2, BS 1610, DIN 51221, ISO 7500-1.

Working Principle: 
UTMs operate through a systematic process:
1, Force Application: A precisely controlled drive system applies tensile or compressive force to a specimen
2, Deformation Measurement: High-precision sensors record the specimen's response
3, Data Analysis: A computer system processes data to calculate key mechanical properties
Drive Systems:
Electronic UTMs: Use servo motors coupled with precision ball screws to generate motion. This provides clean, quiet operation with excellent control from 0.001mm/min to 500mm/min (max. to 2000mm/min) 
Control Philosophy:
Modern UTMs employ closed-loop control systems that continuously monitor and adjust force, displacement, or strain during testing. This ensures constant test parameters regardless of material behavior.

Key Features

  • Load frame and driven type
  • Grip and test fixture
  • Security function
  • Control system, Software
  • Powerful Function Software
  • Other Feature
  • Actual photos of the machine
  • High Accuracy Features

Load frame and driven type

Compact construction applies aluminum alloy profile load frame cover structure;

Frame are proof loaded to 200% of capacity, with concentric arrangement of the drive lead screw and crosshead guide which assure high accuracy and strong reliability;

Computer Controlled Electronic Universal Testing Machine

Leading screw                        AC servo motor


Top and middle crosshead processed through shot blasting & baking paint technology, appearance, no corrosion and no need lubrication oil maintenance.

Adopt Japan Panasonic/FUJI AC servo motor and driving system, ensure transmission and moment of force stable;

Adopt Circular Arc Profile Synchronous Belt Transmission, eliminate dual direction clearance, prolongs the life of synchronous belt;

Multiple load cell in one machine available.

Advanced USA Vishay celtron load cell ensure the force measuring accuracy and repeatability, Overload capacity 150%.

Compatibility concept for continuous component expansion;

Grip and test fixture

Manual, hydraulic, pneumatic tensile test fixture available; 

Removable grip-jaws can be changed rapidly to meet variable wider applications in tension test. 

Versatile test fixture like peeling, shear, bending, flexure, tear, burst, puncture, compression test for kinds of material;



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Bolts tensile fixture

Metal shear test

Peeling test fixture

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Webbing belt tension test

Thin wire twisting tensile grip

Rubber tensile fixture


Security function

Sensor of position limitation switch; 

Emergency stop switch; 

Hardware driving system overload protection, over voltage, current protection;

Software over load protection.

Control system, Software

Based on full digital STC8800 measuring and control card; Data collection system use 4 channel of high accuracy 24 digit A/D conventer;

Real time load, deformation, corsshead displacement, test precess four kind close loop control;

Resolution can upto 1/500000, full range without step;

Level authorization management function: to improve sftware and data security, can set different password to realize several class authorization management. Different user with different right to operate the machine, avoiding unexpected mistake because human error.

PC control system, with advantage of high integration, reliable performance, easy adjusment etc. can real time collect test data, on-time display test curve,  test data file can be saved as ACCESS and SQL server, convenient for customer's data resource storage.

Automatically generate the testing report; the testing report can be displayed and printed, also it can be export in Excel/Access Format. Also, the user can edit the report format as requirement in report template;

Result recall function: after the test and saved, customer can open the test data and re-analysis at any time.

Results compare: observe several curve at same time, can fold curve or portion enlarge to analyze and compare sample characters.

Load~Time, Load~displacement, Displacement~time etc. curve smoothly switch, display test data, save, analysis and print.


Computer Controlled Electronic Universal Testing Machine

Computer Controlled Electronic Universal Testing Machine

Main interface for test and result display


Computer Controlled Electronic Universal Testing Machine

Multiple load cells


Computer Controlled Electronic Universal Testing Machine

Test Report/Batch test report/ Curve superposition for comparison



USB Hand remote controller with magnetic backplate

Test data zeroing, test operation, speed change, adjust crosshead up and down moving, display the displacement. 

Non fumigation wooden package (2620*1200*970mm)


Computer Controlled Electronic Universal Testing Machine

Computer Controlled Electronic Universal Testing Machine

Computer Controlled Electronic Universal Testing Machine

Force Measurement
Typical accuracy: ±0.5% of reading (Class 0.5) down to 1/1000th of full capacity
Resolution: Up to 1/500,000 of full scale, detecting minute force changes
Load cells: High-precision strain gauge sensors calibrated to ISO 7500-1 standards
Displacement & Deformation
Position repeatability: As high as ±0.001mm
Extensometer accuracy: ±0.5% with resolutions down to 1μm
Non-contact options: Laser or video extensometers for fragile materials or high-elongation tests
Data Acquisition
Sampling rates: Up to 5kHz for capturing rapid material behavior
Precision control: Speed accuracy of ±0.1% ensures consistent testing conditions

Main technical specification

Load capacity100KN/ 200KN/300KN
Multiple load cell in one machine functionYES
Load AccuracyClass 1/0.5 according ISO7500-1
Load cell overload capacity150%   of rate capacity
Load measuring resolution1/500000   FS, stepless
Position / displacement resolution0.001mm
Crosshead travel1250mm
Tensile test space750mm
Compression test space850mm
Effective testing width (Clearance between columns)600mm
Standard tensile test fixtureHydraulic automatic wedge grip
Wedge tensile fixture Flat specimen range0-26mm
Wedge tensile fixture Flat specimen rangeΦ4-Φ32mm
Compression platen diameterΦ100mm
Testing speed range0.001mm/min~500mm/min, stepless, adjustable arbitrarily  (Optional max. 1000mm/min)
Weight1200kg
Dimensions1100×900×2450mm
Standard Power380/220V,   50/60HZ, 3 phase
Analysis softwareSmartTest English version
Working systemMS Win10 / Win11
Frame structureStandard: Dual test spaceOptional: Single test space

Main accessories (Standard delivery with machine)

High Stiffness Frame: 1 set
Servo driving system: (Panasonic)
Servo motor: (Panasonic)
1 set
Load cell: (Celtron high precision load cell)1 set
Decelerator and deceleration system1 set
Leading screw:1 set
Wedge tensile test fixture1 set
Compression test fixture(Φ100mm)1 set
Professional testing software(FastTest, English version)1 set
Bending test fixture1 set
Computer1 set
Printer1 set
Documents (Manual, packing list, certificate)

Webbing tensile fixture

UNITEDTEST Webbing tensile fixture. Nickle coating. 

UNITEDTEST optional 800mm large extension extensometer. 

Nickle coating manual wedge tensile fixture

UNITEDTEST manual wedge tensile fixture, upper clamper. Nickle coating. 

UNITEDTEST optional 800mm large extension extensometer. 

manual wedge tensile grip

UNITEDTEST manual wedge tensile fixture, lower clamper. Nickle coating.

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Frequently Asked Questions

Dual space and Single space difference

UnitedTest offer two kinds frame structure for the test space, dual test space and single test space. 


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Advantage of dual space structure: 
1, the middle beam only go down direction for all tensile, compression test, the load cell only one-way loading, it’s better for the load cell. 
2, No need frequently change the test fixture from tensile, compression etc

Advantage of dual space structure: 
For some user, only or frequently to do tensile test, the tensile grips at lower place, easy for operation to install the specimen.  
(For some tester like 200KN and 300KN, frame is higher like 2600mm, the tensile grips at upper place is not very suitable to clamping the specimen) 


Require More Customized Solutions?

We offer customization to meet your specific needs. Our expert team will collaborate with you to develop the perfect product for you
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Beijing United Test Co., Ltd.