YGS-600 Digital Display Type Concrete Drainpipe pressure Testing Machine

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Ⅰ、Main functions
This machine is applicable for compressive strength test of concrete drainpipes. Standards:GB/T16752-97 “Test Method for Concrete and Reinforced Concrete Sewer Pipes” and GB/T11836-99 “Concrete and Reinforced Concrete Sewer Pipes”.
Ⅱ、Main Technical Specifications
1、Maximum testing force:600kN;
2、Accuracy of testing force:±3%;
3、Subsection of testing force:1、2、5;
4、Testing space(W×H)(mm):2200×2200;
5、Piston stroke:0~600mm；
6、Power supply:380V±10%，50Hz;
7、Overall dimension of host machine(L×W×H)（mm):3000×1140×4200;
8、Weight:6500kg

Q: What does the belt stop of the pressure gauge mean?: [1] pins are commonly seen as pressure gauges with no negative pressure, and the pins are the zero of the pressure gauge. At this point, the pointer can not deflect below zero. This will reduce the chance of damage to the pressure gauge.[2] pressure gauge (English Name: pressure gauge) refers to the elastic element as the sensitive element, measuring and indicating higher than ambient pressure meter pressure gauge installation of Shanghai Wang ring is widely used, it almost all the industrial processes and scientific research. 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.

Q: What does the pressure gauge 1% mean?: Accuracy 1% means the full scale error range of this pressure meter is + 1%.Precision pressure gauge, is expressed as a percentage of the allowable error range of the pressure gauge, generally divided into 0.5, 1, 1.5, 2, 2.5, 3, 4 and seven grades (boiler not 3 and 4), the smaller the value, the higher the accuracy. For example, the dial range 0 ~ 2.5 MPa 2.5 precision pressure gauge, it is shown the allowable error of pointer pressure between the actual pressure value and the measured value of the medium, not more than 2.5MPa * 2.5%= + 0.0625 MPa; when the pressure gauge pressure is 0.8MPa, the actual pressure between 0.7375 ~ 0.862 5MPa.Thus, the actual error of the pressure gauge not only relates to the accuracy, but also relates to the measuring range of the pressure gauge.When the measuring range is the same, the higher the accuracy (i.e. the smaller the number), the smaller the allowable error of the pressure gauge.When the accuracy is the same, the greater the measuring range, the greater the error of the pressure gauge.It is divided by the percentage of allowable error to dial scale value, and the greater the accuracy grade, the bigger the error limit of the dial scale. The greater the measuring range of the pressure gauge, the same accuracy level of the pressure gauge, the absolute value of the pressure measurement it allows, the greater the error.

Q: For example, a 1.6 mpa. How do you measure it?!: A high, medium, and low end pressure gauge shall be a three position contact type control pressure meter. If no signs are available, you can use either the ohmmeter or the buzzer test of the meter. Use the pencil first low limit hands to contact with the actual pressure gauge contact is closed, with a multimeter measuring three end exchange both ends of the middle and low end, the rest is high, then closed contact separately, the high pressure closed with the actual pointer to pointer, and then test interoperability both ends of the middle and high, so you can points out.

Q: Fix a false SUPOR electric pressure cooker E4 fault, after inspection, the pressure switch is not in good contact. Replacement repair, but do not know how to adjust, worry about not repair to the original machine state will explode! Ask the heroes what coup adjustment!!!: E4 pressure switch failure 1. pressure switch contact pressure is lower than 2. 0.04MP wet oxidation is controlled for the first case the oxidation processing clean; second cases had to adjust the pressure switch, the method is as follows: adjustment method of pressure cooker electric pressure switch has two kinds of methods, 1. have pressure gauge: adding an appropriate amount of water into the pot. Cover the pot boil, remove the pressure relief valve on the pressure gauge, such as meter readings to 0.068MP adjust the pressure switch to just disconnect the fixed with glue adjustment screw. 2. have no pressure gauge, do not remove the pressure relief valve, the pressure relief valve to the maximum, so just began to leak, immediately adjust the pressure switch to jump, then clockwise to spin again a little bit on the line. Remember to screw the screws with glue.

Q: The composition of the pressure gauge?: The pressure gauge mainly has following parts and components: joint, spring tube, seal piece, movement, connecting rod, dial, pointer, lining ring, watchcase, watch glass, cover ring. The key components are joint, spring tube and core.

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: Constant pressure water supply principle of remote pressure gauge:1. use frequency conversion motor to realize constant pressure water supply. Constant pressure water supply system based on pipeline pressure (i.e. remote pressure gauge readings) to set parameters, through computer-controlled inverter output frequency to adjust the rotational speed of water pump, to achieve closed-loop pipeline pressure regulation (PID), the automatic water supply system of constant to the set pressure value: the water consumption increases, the frequency increases, the pump speed is accelerated, water supply increases; reduce water consumption, reduce the frequency of pump speed slow down, water supply is reduced, so as to ensure the water supply efficiency requirements of water pressure and water at the same time, to improve the water quality and water supply efficiency, "how much water, how much water supply"; the device does not need to build the high water tank, water tower, no two pollution, is a modern building water supply equipment ideal.2. use the regulating valve to realize constant pressure water supply. The constant pressure water supply system based on pipeline pressure (i.e. remote pressure gauge readings) to set parameters, the computer controls the pump outlet valve open, closed loop water pressure regulation (PID), the automatic water supply system of constant to the set pressure value: the water consumption increases, the valve opening increases, water supply increases; reduce water consumption, reduces the valve opening, water supply is reduced, so as to ensure the water supply efficiency requirements of water pressure and water at the same time, in order to improve the water quality and water supply efficiency, "how much water, how much water supply".

Q: Fire hydrant pump, spray pump, starting pump, pressure gauge and spray pump, pressure switch is how to wiring?: A total of 4 lines of pressure: a pair of lines directly to the alarm module feedback, a pair of lines directly to the pump control cabinet pump startThe electric contact pressure meter has 3 terminals: one upper limit, one lower limit, one public and three wires directly to the corresponding terminals of the voltage regulator box.Spray pump: spray pump (English Sparypump) is mainly used in mud pump matching oil drilling equipment, spray pump is in the process of the operation of the pump in the cylinder liner and piston for washing and cooling, and used it to transport mud.

Q: What are the main technical parameters in the selection of pressure gauges? Thanks: The selection of the pressure gauge mainly refers to the use environment, measuring medium, accuracy, range and shape size, at the same time in line with international standards or corresponding national standards.

Q: Which circle should I watch with R22 plus, and which lap should I watch with the additional 410A?: Are you sure there is a 410A display? You can't see it on the meter. R22 just look at the outer ring.

Q: What's in, Hg, VAC on the R134 air conditioner pressure gauge?: R134: refrigerant for automotive air conditioning.In Hg: Inch mercury column, pressure unit. 1In Hg=25.33 mm HgVAC:VAC - vacuum warning lights, often used in cars

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