PWS Series Electric-hydraulic Servo Dynamic& Static Universal Testing Machine

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Product Description:

、Main functions
  WDS series are suitable for tensile, compression, bending,cutting shearing and tearing test of rubber peeling and tearing plastic, electrical wire and cable, composite, profiled bar, waterproof roll, etc. They are essential testing instruments for quality testing section, university and college, research institution and industrial and mining enterprise.
、Product features  
 This machine equips alternating servo motor for driving crossbeam and imported photoelectric encoder for displacement measure. The controller adopts flush type monolithic computer structure and is equipped multitask operating system and built-in powerful test control software, which includes the test system with measuring, controlling, calculating and saving functions.  This machine has the following performances: Automatically calculating stress, elongation rate, tensile strength and modulus of elasticity
;automatically preserving all of 16 groups testing data;automatically recording the value of extremal vertex, breakpoint, appointed value of force and elongation;testing result can be scanned by pages and printed;the third class purview management;real-time electronic clock, and automatically recording the testing date and time.
、Technical Specification:




Measuring range of force (kn)


Accuracy of testing force

±1% of indicated value

Resolution of crosshead displacement Measurement

0.01 mm

Speed range of crossbeam

0.1 mm/min~500 mm/min,step less speed regulation and arbitrary setting

Effective testing space (mm)


Power supply


Working environment


Main configuration

Imported servo motor and speed adjustment system, precision photoelectric encoder.

Overall dimension of host machine (mm)


Weight (kg)


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Q:Why isn't the pressure meter back to zero?
If the new watch has air in it, it should be let out, and the specific reference manual. The old watch says the watch is out of order.
Q:Can you use the precision pressure gauge of level 0.25, measuring range (0~10) and MPa to verify the general pressure gauge of level 1, measuring range (0~6) MPa? Why?
According to the verification regulation requirements, the measurement ratio is 1/4, that is, the basic error of the standard device is not greater than the basic error of the checked table 1/4.0-10MPa, the basic error of the 0.25 standard table is 10*0.0025%=0.025MPa0-6MPa, the basic error of the 1.6 stage general pressure meter is 6*0.016*=0.096MPa0.025>0.096/4So, if you follow the rules strictly, this is out of the question. You must use the 0.4 or 0.25 stage precision watch of range 0-6MPa as standardIn other words, if you need a formal and effective certificate of approval, you can't; check yourself for reference, or you can
Q:What is the PSJ of the pressure gauge?
PSI full name in English is Pounds per square inch.P is pound pound, S is square square, and I is inches inch.All the units in metric units can be calculated: 1bar = 14.5psi1psi=6.895kPa=0.06895barEurope and the United States and other countries are accustomed to using psi as a unitIn China, we usually use the "kilogram" to describe the pressure of the gas (not the "Jin"). The unit is "kg/cm2", and a kilogram of pressure is one kilogram of force acting on one square meter.While in a foreign country commonly used unit is "Psi", the unit is "lb/in2", is "psi", this unit like Fahrenheit (F).In addition, there are pressure units such as Pa (Pascal, Newton, one square meter), KPa, MPa, Bar, millimeter water column, millimeter mercury column, etc..1 bar (bar) =0.1 MPa (MPa) =100 kPa (KPa) =1.0197 kg / cm21 standard atmospheric pressure (ATM) =0.101325 MPa (MPa) =1.0333 bar (bar)Because the unit is very small difference, if it is not to be accurate calculation, you can remember:1 bar (bar) =1 standard atmospheric pressure (ATM) =1 kg / cm2 =100 kPa (KPa) =0.1 MPa (MPa)
Q:How to use Emerson inverter to control water pump with remote pressure gauge?
A specification is very simple, I do I happen to water without Emerson, you can set the PID terminal operation, process control, pressure of fifteen percent to twenty-five, remote pressure gauge 1.6MPa, GND, red, green ten 10V yellow VI, if I can help you find the manual selected parameter settings, welcomed the exchange of my QQ907187542 if you have an electronic version of the instructions can also send me a
Q:Why can't ordinary pressure gauge be resistant to high temperature?
The definition of high temperature is uncertain. You can look at the parameters of the pressure gauge
Q:What does the red line on the dial of the pressure gauge stand for? Is the design pressure or the maximum pressure?
There are no red lines on some dials. Where is the red line you mean?
Q:What are the differences between axial pressure gauges and radial pressure gauges?
Axial pressure gauge, that is, pressure gauges, threaded joints and dial vertical.In the control and measurement process, due to the mechanical axial pressure gauge elastic sensitive element has the characteristics of high mechanical strength and convenient production, which has been more and more widely used mechanical axial pressure gauge.Radial pressure gauge, that is, pressure gauge, thread joint on the back of the pressure gauge.The radial pressure gauge is very easy to install, particularly suitable for installation in the valve, widely used in all kinds of water system, chemical industry, petroleum industry, shell: stainless steel, surface: glass, pressure gauge: tube spring element.
Q:What's the effect of the rubber plug at the top of the shock gauge? What's the effect of not cutting off?
General vibration proof pressure gauge is suitable for measuring the pressure of medium is a strong impulse changes or pressure impact, in the process of unloading occasions, often sudden vibrations occasions.
Q:What's the cylinder pressure gauge for?
Measure cylinder pressure, use engine cylinder pressure value to judge engine problem
Q:What is that in front of the pneumatic valve? There is a pressure gauge, an air tank, and a knob
The pressure regulating valve is mainly used to adjust the pressure of the air supply

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