• WDW Series Computer Control Type Electronic Universal Testing Machine(Single Arm Type) System 1
WDW Series Computer Control Type Electronic Universal Testing Machine(Single Arm Type)

WDW Series Computer Control Type Electronic Universal Testing Machine(Single Arm Type)

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、Main functions
 WDW series are suitable for tensile, compression, bending cutting,shearing and tearing test of rubber, plastic, electrical wire and cable, composite, plastic profiled bar, waterproof roll, etc. They may add test metheds or rules according to customers’requirement .They are essential testing instrument for quality testing section, university and college, research institution and industrial and mining enterprise.
、Product features  
This machine equips alternating servo motor for driving crosshead and imported photoelectric encoder for displacement measure. This machine is accompany with the digital multi-channel closed loop control system which applicates the latest moitoring and control systems with lots of advanced profassional and technical development. Control software can automatically finger out routine data, such as tensile  modulus of elasticity, extend rate after rupture, non-proportional extend strength RP0.2, etc. It can realize three close loops control and real time display many testing curves of force-displacement, force-time, and stress-strain. These curves automatically switch. Testing process control and data processing conform to the requirements of GB.  This machine has the following performances: Auto zero, auto gear shifting or no subsection, auto indication, auto save, unicontrol or multistep programmed control, auto stop, auto analysis or assistant manual analysis, batch test, testing result statistic, curve select and over load protection. And the machine is beautiful, multifunctional, and oprates easily and reliably.
、Technical Specification:

Type

parameters

WDW-1A

WDW-2A

WDW-5A

WDW-1

WDW-2

WDW-5

Measuring range of force (kN)

0.01~1

0.02~2

0.05~5

0.01~1

0.02~2

0.05~5

Accuracy of testing force

±1%

Resolusion of testing force

1/20000 of maximum testing force

Relative error of displacement

±0.5%

Resolusion of crosshead displacement measurement

0.01 mm

Speed range of crossbeam

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

Valid testing space (mm)

800

Power supply

220V±10%,50Hz

380V±10%,50Hz

Working environment

10~30℃, relative humidity≦80%

Main configuration

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

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

Overall dimension of host machine (mm)

600×420×1700

Weight(kg)

300

Q: How many degrees above is the high temperature pressure gauge?
High temperature has two levels of meaning, on the one hand refers to the environmental temperature, on the one hand refers to the work medium temperature, the ambient temperature is generally more than 40-50 degrees, that is, high temperature table. Working medium temperature, because it can be installed radiator, the temperature is higher than 80 degrees, it belongs to the high temperature table.Moreover, the influence of the temperature of the high temperature table on the table is also divided according to the accuracy level of the table, and the higher the accuracy, the greater the impact
Q: How is the pressure gauge ABC divided?
Instrument certification according to the location of the importance of varying degrees, generally divided into a, B, C three grades.A class is generally used in pressure control strict locations, requiring accurate instructions, is the focus of monitoring instruments, usually for an annual or semiannual inspection;Class B is generally used at locations where pressure control is more stringent and requires more accurate instructions. It is a general monitoring instrument, usually tested annually or two years;Class C is generally used in places where the pressure control is not strict and can be used as a reference value. It is a non monitoring instrument, usually tested for many years or replaced after failure;
Q: What does the condensing pressure gauge in the refrigeration system measure?
Measure the pressure of the condenser to detail
Q: Want to buy a pressure gauge, but do not know how to determine the pressure gauge model, you can only measure the size of the dial and then the size of the thread, there is no master pointing out the pressure gauge model specifications?
The general pressure gauge, such as Y60, Y100, Y150, behind the figure is the dial diameter, if Y is connected to YX, the screw axial (Y radial), also is the specified range, thread size (usually GB)
Q: When the pressure vessel is in hydraulic test, is the pressure gauge container good or the following?
The answer is: absolutely different!!Because all media have density p, and the pressure vessel exists in the upper and lower positions, there is a height difference h between the upper and lower positions, and G=p*g*h is obtained according to the density formulaTherefore, the two readings indicate that the values are inconsistent, but the pressure is greater and the height difference is small. This part of the pressure value can be neglected.
Q: I am doing water treatment works, water pump is connected with the back of my mechanical filter, know the maximum pressure pump working for 2.5MPa, so I want to be in place to install a water pump outlet pressure gauge, pressure gauge pressure range is how much?
I'm a pressure gauge. Let me tell you. I hope I can help you
Q: What are the diaphragm materials for the diaphragm pressure gauge?
The biggest advantage of diaphragm pressure gauge is that it can select different diaphragm material according to different corrosion medium, so as to achieve the best corrosion resistance.At present, the diaphragm materials are commonly used tin bronze, SU316 stainless steel, titanium, tantalum, Monel, Hastelloy, PTFE etc..In the use of diaphragm pressure gauge, in addition to correctly select its structure form, the more important thing is to reasonably select the diaphragm diaphragm material. The so-called reasonable is to consider both its corrosion resistance, but also to consider the economy.For example, tantalum sheet and Hastelloy alloy have excellent corrosion resistance, but they are expensive and are only used in corrosive environments where other inexpensive materials are not suitable.
Q: The pointer always points to the 0.5bar seismic pressure gauge, can not return to zero, the free end inside the broken? What's the reason then? Is the pressure too great?
Proof above the table generally have a rubber plug, use is to cut with the atmosphere. If you are not cut, long time work, the pressure in the case. When the pressure is released in the form of discharge after the shell pressure, so just. You put a rubber plug off, if not back to zero that is bad.Yes, it's not rubber. It's a small valveThe tables are required to be installed vertically or near vertical and sealed when removed
Q: What's the function of the oil pressure gauge? Where does it fit?
Oil filled pressure gauge can reduce the swing range of hands, generally used in the equipment of large vibration on.
Q: What is the actual size of the pressure gauge nozzle G1/2?
G1/2 pipe actual size is: pipe diameter 15mm, outside diameter 21.3mm.G is 55 degrees (non thread sealing pipe thread), belonging to whitworth thread. 1/2 marker refers to the inside diameter of the tube, the unit is inches. Insiders usually used to call thread size, an inch is equal to 8, 1/2 is 4 inches.Specific parameters:The size of code: 1/2The number of teeth per inch: 14 (i.e. pitch 1.814mm)Major diameter: 20.955mmMedian diameter: 19.793mmPath: 18.631mmNational standards are available on GB/T7307-2001.

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