B YAW Series Computer Control Electro-hydraulic Compression Testing Machine

B YAW Series Computer Control Electro-hydraulic Compression Testing Machine

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Main functions
This series are used for compressive strength test of building materials, such as the specimen and component of cement, concrete and so on. Equipped with special auxiliaries, it can be used for bending resistant test of building materials and compression resistant test of red bricks. We can evaluate result parameters stated in related standards. They are perfect testing instrument for building project detection department, quality testing section, universities and colleges, research institution and industrial and mining enterprise.
Ⅱ、Product features
1、Host machine is with double column type, which make the conformation compact and arrangement reasonable.
2、Adopt precise electro-hydraulic servo proportional valve. The speed is fast and the controlling accuracy is high.
3、Mechanic limit pistons protection assures the safety of testing.
4、Setup overload protection which acn stop automatically,when
the load exceeds the maximum by 2-5%.
Ⅲ、Controlling system
This machine is with digital and multi-channel loop of measuring and controlling system. It adopts force closed loop control technique and has the function of constant stress loading and load keeping. Loading speed can be arbitrarily set and the testing curves can be real time displayed.
Characteristics of software：
1、The software integrate bending resistant test and compression resistant test procedure , such as bricks, cement, concrete and mortar.
2、The software divide testing procedure as follows: tile compression resistant executive program(GB13544—2000), cement compression resistant testing program (GB17671—1999), concrete specimen testing program(GB/T5001—2002)and mortar testing program(GB170—90).
3、There is no subsection in all process. (Or classify according to the requirements of customers.)
4、Complete test in batch automatically and adjust breaking of specimen.
5、Windows Style can be controlled by human or computer.It is easy to manage and control,collect and calculate.
6、Record and save testing datas automatically.

Main Technical Specifications

Specification		YAW-300	YAW-600	YAW-1000	YAW-2000
Measuring range of force（kn）		12～300	24～600	40～1000	80～2000
Accuracy of testing force		±1%
Subsection of force		1、2、5
Accuracy of constant pressure		±1%
Loading speed（kn/s）		1~10
Accuracy of loading speed		±5%
Upper platen size (mm)		125	180	220	300
Lower platen size (mm)		175×175	250×250	220	300
Distance between two platens (mm)		250	255	400	500
Maximum piston stroke (mm)		120	150	150	200
Power supply		380V±10％，50Hz
Working environment		10℃-30℃
Shape of machine		Double column		Large space, Double column
Overall dimension（mm）	Host machine	950×650×1405	1120×660×650	910×580×1800	910×580×1940
	HPS	—	—	950×650×1405	950×650×1405
Weight（kg）		750	850	3050	3250

Q:The greater the accuracy of a pressure gauge, the higher or lower the accuracy of the measurement, or the difference between the two: The greater the accuracy of the pressure gauge, the lower the accuracy of the measurementThe degree of accuracy is the smallest unit of value that can be measured. The greater the value, the lower the accuracy.

Q:Where is the pressure gauge checked?: The local quality and Technical Supervision Bureau's Institute of measurement and measurement.

Q:The hydraulic machine of the electric contact pressure gauge old bad, an oil spill, and two pointer does not return, I personally think that is the quality of table or hydraulic diaphragm was too frequent starting impact times too much damage, used in hydraulic machine is not reliable electric contact pressure gauge. Present your valuable comments or suggestions, and Solutions: The hydraulic machine out of pressure is not too stable, this causes the pressure gauge frequently in that swing, and the electric contact pressure gauge used in pressure fluctuation environment is little use to play its normal life

Q:410 how about the pressure of the pressure gauge?: Is your 410 refrigerant? In general, the pressure is about 2.8MPa, and the pressure is completely related to the temperature. Therefore, it is more appropriate to select a pressure gauge with a maximum value of about 5.0MPa. The reading of the pressure meter is the same as that of the ordinary pressure gauge. There is no special place, unless your pressure gauge is foreign, you can convert according to the relevant units.

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?: There is no problem with the standard meter. The measuring instrument should use a 0.05 stage piston pressure gauge

Q:The indicator of the extinguisher pressure gauge points to green, indicating whether the extinguisher pressure is normal or not?: Green indicates normal pressure; yellow indicates lack of pressure; please note that red indicates a severe lack of pressure

Q:Note: 1 I asked not the difference between the diaphragm pressure gauge and the ordinary pressure gauge;2 what I ask is not the difference between the diaphragm pressure gauge and the diaphragm pressure gauge;I think someone has answered a similar question before, and when it comes to the diaphragm, it's driven by isolated liquid. What's that diaphragm? Or the diaphragm is the diaphragm that contacts the measuring medium: The diaphragm pressure gauge is the diaphragm that represents the direct response of the elastic element to the pressure

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:What does the pressure gauge "radial back" and "axial front" mean? What's the side of the ordinary pressure gauge?: This is basically with the installation board, convenient installation and fixed

Q:Is the accuracy level, not the type, thank you all: Pressure gauge accuracy class grade A, equivalent to 1 of the standard in our country, is a medium precision level of pressure gauges. Pressure meter accuracy level: 0.1, 0.16, 0.25, 0.4, 1, 1.5, 1.6, 2.5, 4. Among them, 0.1 is the lowest precision level, and the 4 is the highest precision level.A pressure meter is an instrument that measures and indicates higher than the ambient pressure with an elastic element as a sensitive element. It is widely used in almost all industrial processes and research fields. In the heat pipe network, oil and gas transmission, water supply system, vehicle repair and maintenance shop, and other fields can be seen everywhere. Especially in the control and measurement process, because the elastic sensitive element of mechanical pressure gauge has the characteristics of high mechanical strength and convenient production, the mechanical pressure gauge is widely used.

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