WDW Series Computer Control Type Electronic Universal Testing Machine

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Ⅰ、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 methods 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.

Ⅱ、Product features:

1,This machine equips alternating servo motor for driving crosshead and imported photoelectric encoder for displacement measure.

2,This machine is accompany with the digital multi-channel closed loop control system which applicates the latest monitoring and control systems with lots of advanced professional and technical development. ,

3,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.

4,It can realize three closed 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.

5,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 operates easily and reliably.

Q: How to connect the household air conditioner pressure gauge?: Before adding snow to open air conditioning, after the external machine started, the table connected to air conditioning gas nozzle (to receive a relatively thick that housekeeper, air-conditioning pressure in general 2.8MPA

Q: What's the difference between the pressure gauge and the oil?: The difference is that the oil meter is forbidden to contact the oil medium when it is used, but the oil meter is not restricted to useThe oil ban is aimed at the contact medium of the pressure gaugePressure gauges usually do not have special instructions to work with the oil medium by default.But some pressure gauges, such as oxygen meter, ammonia meter, acetylene meter, etc., are not able to contact the oil medium for work, otherwise there will be explosion and other dangers. So it's called "oil prohibition meter".

Q: What is the actual value of the pressure gauge mounted on the pressure vessel?: In vessel pressure, Qingdao, Jin Mu

Q: Brother bought a new liquefied petroleum gas pressure reducing valve, valve side connected to a pressure gauge, I do not know what it means, how to read, consult you: That's a good watch! Double insurance! Homeowners, you don't have to read it, as long as it's safe

Q: The injection molding machine doesn't have pressure, what's wrong with it and the pressure gauge doesn't reflect it?: Pump running properly, the system pressure is not, then focus on the pressure valve

Q: What are the problems with the pressure meter?What are the good solutions to these problems in the pressure gauge?: Summarize the common faults and causes the pressure gauge, in the operation of only the exchange, because of different brands and types of pressure gauges were different. Personal recommendation if there is a problem of replacement or return to the supplier, procurement of new products, and send check calibration analysis as follows:A pressure gauge without indication. Reason: 1, pressure pipe on the cut off valve does not open; 2, pipe plug; 3, spring tube joint too much dirt siltation and plug; 4, spring tube cracking; 5, the center gear and fan tooth wear too much, and is not engaged.Two, pointer shaking large. Reasons: 1, the pressure of the medium to be tested; 2, pressure gauge installation position of vibration

Q: What is the range of use of a pressure gauge? Why is it at its measuring range of 1/3-2/3?: In fact, the scope of the pressure gauge should be close to the full range of 1/3~ range, the measured pressure is too small, the signal amplitude is small, the sensor zero error and repeatability error and hysteresis error etc. for output in the proportion is large, the precision is low, the pressure is too large (in excess of the normal range of the pressure sensor) although the sensor does not damage (pressure overload pressure sensor in general can withstand 30%), but this time the linearity will be decreased obviously, also affect the measurement accuracy.I have been engaged in pressure measurement and measurement work in the metering research department for many years, and I am familiar with the pressure sensors.

Q: What is the pressure gauge called?: The internal structure of the pressure gauge is different. The most common is a differential pressure gauge

Q: We use seismic pressure gauge oil, do not know how to come back. Trouble master solution: If the leak proof pressure gauge I advise you not to yourselfOil spills are generally so few: seals, aprons aging, instrument mounted on the equipment, vibration frequently or too large, table cover loose, careless instruments fell to the ground, resulting in deformation of table cover and so on. If you don't find the cause, you'll still leak it.If you want to say hello to suppliers but also advance the gas tank was rushed or silicone oil glycerin, general vibration proof pressure gauge case top has a filling hole, are sealed by the rubber plug, you can use a small Flathead screwdriver to knock the rubber plug (be careful not to damage the rubber plug, and silicone oil or glycerin) fill in the rubber plug can be a good.