WEW Series Screen Display Type Hydraulic Universal Testing Machine

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Product Description:

Main function:  

l  This series machines are mainly designed for tension, compression, bending and shearing test of metal materials and meet with the requirements of GB/T228-2002”Metallic materials-Tensile testing at ambient temperature”.

l  This machine is also used for compression and bending test of nonmetal materials, such as cement, concrete and so on.

l  Equipped with special auxiliaries, it can be used for mechanical property testing of fastener, wire rope and components.

l  They are perfect testing instrument for project quality testing section, universities and colleges, research institution and industrial and mining enterprise.

Product features:

l  Host machine consults foreign technique, it has compact structure and a rational layout, significantly reduces the overall height comparing the oil cylinder overhead.

l  The machine owns hydraulic pressure sensor, which is with strong  impact and long-life. Adjust the test space by turbine structure of mobile beam does not need  rotation of screw when adjusting test space compacting the transmitting of chain. It makes complete separation between transmitting and postioning system, ensures the up and down jaws coaxial and the mainframe durable. Unique structure  of screw gap eliminating can guarantee the continuity of the load test.

l   Test data uses Access database management, which is powerful and convenient.

l   Resered data interface can connect with the network directly and share resources.

l   Independent hydraulic clamping structure can guarantee the reliability of the system; it will not hurt person for falling and ensure the safety of test personnel.


Product catalogue:

WEW-A    Oil cylinder overhead type
WEW       Oil cylinder underneath type    Displacement of beams  
WEW-B    Oil cylinder underneath type    Displacement of chain

Technical specification:









Accuracy of testing force


Measuring range of force (kn)





Subsection of force

1,2, 5, 10

Accuracy of distortion measurement


Thickness of flat specimen (mm)





Width of flat specimen (mm)







Testing space(mm)

















Clamping diameter of round specimen (mm)





Platen size(mm)








Distance of bending by pass roll(mm)








Maximum piston stroke(mm)


Power supply


Working environment

1030, relative humidity≤80%

Overall dimension L×W×H)(㎜)

Host machine




B type host machine















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Q:What are the precision grades of precision pressure gauges in our country?
The accuracy level of the pointer table is 2.5, 1.6, 0.4, 0.25 and 0.16,The accuracy of the digital table is similar to that of this one, followed by 2.5, 1.6, 0.5, 0.4, 0.2, 0.1, and 0.05
Q:How to choose a pressure gauge?
A digital or a pointer is a manometerWorking environment, vibration proof, stainless steel...Accuracy classMeasuring range, how many MPA?Dial diameter
Q:How to prolong the service life of the pressure gauge with live contacts?
1, the electric contact pressure gauge in the allowable conditions, as far as possible can make the upper and lower limit a little larger.2, the electric contact pressure gauge on the pressure indicator fluctuations, that is, should be in the pressure pipe to increase damping, that is, increase the buffer, such as the installation of ring pipe, properly close the small valve.3, the electric contact pressure meter reduces the current through the electric contact, the effective method is the electrical connection point through the electronic amplifying circuit (uses the triode, IC) to drive the relay.4, the electric contact pressure meter reduces the power supply voltage of the electric contact, of course, the related relay also needs to be exchanged. The RC spark suppression element is connected to the electric contact.5, the electric contact pressure gauge uses the magnetic auxiliary type electric contact pressure gauge.6, electric contact pressure gauge is through magnetic force auxiliary contact torque increases the electrical contact, has relatively high electric contact pressure gauge contact power, because the magnetic effect on the electric contact pressure gauge can increase the contact force, accelerate the speed and make contact contact, reliable contact, can eliminate the arc, can avoid contact monometers due to frequent action of vibration or medium pressure fluctuations caused by contact.
Q:Under normal circumstances, use absolute pressure gauges to measure
On the cement floor, use this watch
Q:Where does the meter check the pressure gauge? How long is the training time?.
The Quality Supervision Bureau has a metering office where it can be trained
Q:Is the ordinary pressure gauge oil resistant and vacuum resistant?
For ordinary pressure gauge, its material for oil tolerance is no problem, and its influence on oil resistance is the main component of the gasket.For pressure gauges with a pressure greater than 0.1MPA, there is also the ability to resist vacuum.But generally speaking, the role of instrument is for practical use, and the instrument must comply with the selection criteria, if it is used to measure the parameters, only do it immersion test or vacuum test, this idea seems to have no practical value.
Q:How do you recognize the pressure gauge?
You'll know by sight
Q:What is the coefficient of error for the 2.5 grade pressure meter?
Table 2.5% of the range is an inaccurate thermometer
Q:How can the frequency converter and the electric contact pressure meter be connected?
Electric contact pressure gauge: its junction box has four terminals (GB): the top is the upper limit, the second is the public end, the third is the lower limit, the fourth is the ground end, usually not. The middle of the needle is ordinary needle is a high one low middle high touch pointer newspaper report will form a loop to alarm or stop reporting low as the actual pressure in the lower when the public terminal is connected with the lower limit, and the upper limit is disconnected, the actual pressure between the upper and lower limits, the common end and the upper limit, lower limit are disconnected. When the actual pressure is above the upper limit, the upper limit is connected and the lower limit is broken. The electric contact is used to control the upper and lower pressure, the upper pointer is the upper limit, the following pointer is the lower limit, and the middle black pointer indicates the actual pressure value. The upper limit pointer can be reversed by hand, and the line should be positioned with a screwdriver. Its junction box has four terminals (GB): the top is the upper limit, the second is the public end, the third is the lower limit, the fourth is the ground end, generally not.Specific how to meet the inverter, it depends on what inverter you are, but also changes in the parameters of the inverter, through some contactors, such as closed loop control, frequency converters, and more used for constant pressure water supply and other fields.
Q:Accuracy grade of pressure gauge
I wonder what the allowable error of your watch is,I'll tell you a formula. You can count it yourselfThe allowable error range of instrument / X100%, the result is that you remove the back% of the watch precision to achieve. Then you can choose from the value of a small worth recently. (if you count up to 0.6, you can choose 0.5 of the table.)The level of instrument accuracy stipulated by China is 0.005,0.02,0.05,0.1,0.2,0.35,0.5,1.0,1.5,2.5,4.0., among which 0.5-4.0 is a common industrial instrumentIf it's not clear, leave a message for me

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