WDS Series Digital Display Type Electronic Universal Testing Machine （Single Arm Type

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Ⅰ、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.
Ⅱ、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.

Ⅲ、Technical Specification:

Type parameters	WDS-1A	WDS-2A	WDS-5A	WDS-1	WDS-2	WDS-5
Measuring range of testing force (kN)	0.02～1	0.04～2	0.1～5	0.02～1	0.04～2	0.1～5
Accuracy of testing force	±1% of indicated value；
Resolusion 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)	800mm
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: Is the 16 kilogram electric pressure gauge and the electric contact pressure meter the same?: The electric control meter is controlled by the electronic sensor switch, and the electric contact switch is controlled by the mechanical contact, and the mechanical point controls that when the current flows through, the arc is generated, and the contact of the starting point is not good, and the utility model is not used. Therefore, it is recommended to use the electronic pressure gauge.

Q: How many degrees above is the high temperature pressure gauge?: The use of environmental conditions: -40~200 degrees (YTH), relative humidity is not greater than 85%Effect of temperature: when the temperature deviates from 20 + 5 DEG C, the additional error of temperature is not more than 0.4%/10 degrees centigrade

Q: I want to use a frequency converter and a remote pressure gauge to control a submersible pump, using the on-off control, constant pressure water supply, how to connect and set up: It is not suitable to control the frequency converter directly with the contacts of the remote pressure gauge. First of all, the contact jitter, will damage the inverter, and secondly, the number of contacts is not enough.The remote contact signal shall be first entered into the PLC. After finishing, the starting signal of the frequency converter shall be uniformly sent to the PLC. PLC can judge or delay method to control the frequency converter start and stop pump action, to achieve not only switch control water pump, but also soft soft stop pump effect. As for the wiring, relatively simple, PLC contact is connected to the frequency converter to start, stop contact. Of course, the water pump protection circuit is completed. Logical control is done by PLC.

Q: The 3 lines of the remote pressure gauge are connected to an external potentiometer of the frequency converter. What parameters can be adopted to adjust the pressure? Thank you: Frequency converter to "advanced parameters", in the PID function to set the corresponding parameters, such as: set the channel, feedback channel, control structure, pressure meter range, upper and lower limit values, etc.. With keyboard control or external terminal control operation and stop, panel potentiometer adjust the pressure

Q: How do you use this? How about two pointers? Don't use that kind of book. It's just as the saying goes, "take it step by step, how to use it. Thank you."!!!: The middle pipe is connected with vacuum pump, or cylinders, cylinders and low pressure switch open low pressure gauge connector is connected with the vacuum pump, vacuum pumping start the first open open, the air pump after the end, must first off the table on the switch, and then close the vacuum pump switch.

Q: Can the pressure meter read on the computer?: This one is ok. With a CWY series of digital watches, in a pressure source, coupled with the computer on it. Provide pressure with a pressure source, connect a digital meter to 485, and then connect to the computer. On the computer, you can read directly the pressure values for each point of the pressure. On the computer will directly generate reports, and finally print out the data directly with the computer just fine. Our shipyard is used Shaanxi Chuangwei this equipment. Very convenient！ Increase of efficiency！

Q: It is better to explain in principle what parts are not resistant to heat What happens if you measure a high temperature medium? Is it just inaccurate or will there be parts damage?: The general pressure gauge because of environmental requirements, material control, cost of processing technology is adopted for the purpose of different force used in high temperature environments can lead to measurement error has been damaged if the temperature exceeds the pressure gauge, pressure gauge allows too large range of possible accidents.The pressure gauge (English Name: pressure gauge) refers to the elastic element as the sensitive element, measuring and indicating higher than ambient pressure meter is widely used, it almost all the industrial processes and scientific research.The pressure gauge through the sensitive element in the table (Bourdon tube, bellows, bellows) of the elastic deformation, then the conversion mechanism of table movement will transfer to the pointer pressure distortion caused by pointer rotation to show pressure.

Q: Measurement data, installed in the normal position, do not know whether to reverse installation, please professionals to help answer! Thank you Urgently!: 1. The installation position of the pressure gauge shall comply with the requirements of the installation state. The dial shall not be placed horizontally, and the installation position shall be convenient for the staff to observe.2, the pressure gauge installation and pressure point distance should be as short as possible, to ensure good sealing, leakage phenomenon can not occur.3, in front of the installation of pressure gauges should be buffer; to facilitate inspection, at the instrument should be equipped with shut-off valve; when the media is dirty or pulse pressure, you can use filters, buffers and regulators gas.The pressure gauge can be installed from any angle!

Q: How do you see a vacuum gauge?: The vacuum pressure gauge on any device has its working pressure and can be read correctly! Only it can see the negative pressure!

Q: Seismic pressure gauge compared with ordinary pressure is what, what is the scope of application: 1, advantages: seismic table is mainly applicable to the mechanical pressure and intense vibration occasions, the general seismic table by silicone oil filling (low product charge glycerol) as damping oil to reduce vibration indicator beating effect on detection of pressure, but also to increase the pressure in bad environment of life.2, disadvantages: high prices. Seal is not good, prone to oil leakage phenomenon, there are few domestic enterprises to ensure that products must not leak.Now there is a foreign seismic dry table, by changing the core structure of shock absorber, the effect is good, but the price should be cheaper than domestic oil filled gauge.

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