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:What is oil immersion pressure gauge?
An oil pressure gauge is a pressure gauge that is filled with a damping fluid (usually silicone or glycerin) in the case. Also called proof pressure gauge is suitable for environmental vibration places and medium pressure pulsation larger occasions.
Q:What do you mean by "bar PSE" on a pressure meter?
Bar is a unit of pressure 1bar=100000, Pascal, and another one of our common KGF is almost 1:1.PSE I guess you're wrong. It should be psi. It's the British unit of pressure. It's basically not used in countries with SI units
Q:What is a back mounted pressure gauge and why is it called back loading?!
It should be the axial pressure gauge
Q:How do you test the pressure gauge for the pressure vessel?
Each unit has the relevant provisions of the inspection of measuring instruments. The pressure gauge is a strong inspection instrument, which must be inspected once a year (possibly half a year). To the qualified inspection unit to test, is the firm certificate. Note the work smoothly.
Q:Will the pressure gauge of the fire extinguisher leak?
The bottle body collision, deformation and cracking damage of nozzle nozzle is not to use the fire extinguisher pressure gauge in the red zone under voltage, need maintenance, seal damaged also need maintenance, depression
Q:The composition of the pressure gauge?
Flat tube, gear, pointer, dial, case, joint.
Q:What are the common measuring ranges of pressure gauges?
Common is mainly from 0~60Mpa, mainly divided into four measuring range: 0.04~0.6Mpa, 0.1~6Mpa, 1~25Mpa,, 1~60Mpa, in which 1~25Mpa is relatively small, and the other two measuring ranges are more common
Q:What's the basis for the inspection of the safety accessories (safety valve and pressure gauge) of the simple pressure vessel?
I also encountered this problem, online search an article of the following content, should be able to answer your questions. Simple pressure vessel safety valve inspection cycle, in January 22, 2007, the State Administration of quality supervision promulgated the "simple Pressure Vessel Safety Technology Supervision Regulations" (TSG R0003-2007), since July 1, 2007. Article forty-third of this regulation states that the unit is responsible for the safety management of the simple pressure vessel. A simple pressure vessel that meets the requirements of this procedure does not require registration. A simple pressure vessel within the recommended service life shall not be subject to periodic inspection in accordance with the periodic inspection rules for pressure vessels. At the same time, clause fourth (four) of this code states that safety accessories such as safety valves, bursting discs, pressure gauges, water level gauges, temperature measuring instruments and other safety accessories are also applicable. It can be concluded that simple pressure vessels manufactured after July 1, 2007, the safety valve is not required to regularly check. When the simple pressure vessels to use life, such as the need for continued use, you should be in accordance with the regulations of article forty-fifth, on the basis of "Pressure Vessels Periodical Inspection Regulation" (TSG R7001-2004) to check the safety valve in the provisions for regular inspection.
Q:What is the PSJ of the pressure gauge?
PSJ is the nominal pressure of a watch
Q:How big is the thread type of the y-60 pressure gauge?
This size is generally M14 * 1.5 external thread.

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