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:The difference and relation between the electric contact pressure gauge and the remote pressure gauge: The electric contact pressure meter is suitable for measuring the pressure of copper, alloy free of corrosion, explosion free, non crystallization of various liquids, gases and other media. When the electric contact manometer is used in conjunction with the corresponding electrical device, the two bit automatic control and sending (alarm) of the maximum or minimum pressure preset to the pressure system under test can be achieved. The electric contact pressure gauge has the function of measuring and controlling. It can freely set up the upper and lower control pressure values. The operation is stable and reliable. It is widely used in petroleum, chemical, power stations, metallurgy and other industrial enterprises and electromechanical equipment.The resistance remote pressure gauge consists of a spring tube, a pressure gauge, a slide wire, a resistance transmitter, etc..The function principle of the mechanical part of the pressure gauge is similar to that of the spring tube manometer. Because the resistance transmitter is arranged on the gear drive, so when the fan gear shaft gear transmission mechanism of deflection, rotating arm resistance transmitter (brush) corresponding to the deflection, brush sliding on the resistor, the change of the measured pressure is changed into a resistance value, and at the two time the meter, indicating a corresponding reading value. At the same time, the primary instrument also indicates the corresponding pressure value.

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: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: The action is used to measure and indicate the magnitude of the pressure within the pressure product. Pressure products, if there is no pressure gauge, or pressure gauge fails, the pressure product pressure can not be expressed, thereby directly endangering safety. The pressure product is equipped with a sensitive and accurate pressure gauge, and the operator can correctly operate the pressure product with the pressure gauge to ensure safe and economical operation.The pressure gauge can accurately indicate the pressure of the steam in the pressure product. The operator can adjust the heating degree of the product according to the indicated value of the pressure gauge to ensure the safety of the gas supply and the safety of the pressure product.

Q:What is the difference between 380V and 220V electric contact pressure gauge?: The difference between the 380V and 220V electric contact pressure gauges is that the rated voltage of the action coil is different. The rated voltage of the action coil of the 380V electric contact pressure meter is 380V, which can only be connected with the 380V voltage and is not connected to the 220V. 220V electric contact pressure meter action coil rated voltage is 220V, can only meet the 220V voltage, access to 380V will burn the coil.The rated voltage of the coil is 380V, the cross-sectional area of the conductor should be smaller, the coil number of coils should be more, and the operation current should be smaller. The rated voltage of the coil is 220V, the cross-sectional area of the conductor should be larger, the number of coils should be less, and the action current should be greater.

Q:Under normal circumstances, use absolute pressure gauges to measure: The atmospheric pressure of the environment is approximately equal to 0.1MPa (1 kg per square centimeter, also known as 1 kg pressure).The gauge is to a pressure of 0 to calculate the pressure.Absolute pressure is the absolute pressure measurement. The pressure is measured at 0 under the vacuum. The absolute pressure in the atmospheric environment is 0.1MPa (1 kg per square centimeter). Absolute pressure gauge pressure = +0.1MPa. The use of the situation, according to the needs of the selection, the general situation is the use of absolute pressure tableTechnical parameters and requirements of pressure gauges:Absolute pressure gauges have nothing to do with atmospheric pressure fluctuations. Absolute pressure gauges are suitable for measuring gas and liquids.Nominal diameter: Phi 70 mm, 110 mm, 160 Phi 250mmAccuracy class: 0.4, 1, 1.6, 2.5Range: 0~16Kpa, 0~2500KpaInstallation: radial, axialProtection level: IP68Case material: 304SS, 316SS, carbon steel, aluminumMeasuring element material: 1, accuracy 0.4, copper alloy, 50CrV2, precision 1.0~2.5 grade copper alloy, 1Cr, 316SS and so onTable cover: safety glassPressure interface: radial or axial G1/2, M20*1.5, or specified special requirementsWorking pressure: the static load is 3/4 times of the upper limit of measurement, and the switching load is 2/3 times of the upper limit of measurement, and the short-time pressure is applied to the upper limit of measurement.Working conditions: ambient and medium temperature should not exceed -40~70 (class 0.4) C or C -50~160 (precision 1.0~2.5); relative humidity is less than 80%Remarks: the screws on the back of the case must not be loosened.

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?: 2.5MPa*3/2=3.75MPa, select the 0-4.0MPa pressure gaugeGenerally choose the maximum pressure of 1.5 times, and then according to the standard range can be selectedThe standard range is 1,, 1.6, 2.5, 4, 6, n times

Q:Are you talking about using a gold contact? I'm a small relay for 24V. Do you need a gold contact?Let's talk about it.: No gold is necessary for contacts.1. The action of a contact on a pressure meter is equivalent to a switch used to conduct or disconnect the circuit. It does not require a power supply. The maximum operating voltage is 380V, and it can also be used for 220V or 24V (including AC and DC).2. Electric contact pressure gauge in the work process, will not contact in contact contact, due to voltage, spark will contact between the spark can burn contacts, lead oxide, so the electric contact pressure gauge work after a period of time will produce the phenomenon of bad contact, and can work normally after cleaning contact.3. In order to make the electrical contact work long time, it is important to note that the work power of the coil of the small relay in the back shall be controlled below 30W, otherwise it will burn up easily (contact power rating 30W).4. What material to choose contact is to consider comprehensively, choose pure gold or pure silver, only contact resistance is small, other aspects will not do.

Q:See others welding, found that there are two pressure gauges on the cylinder, one is 0-0.3 range as if, and the other is 0-4 range, ask why, is it safety considerations or other reasons? thank: 0-0.3MP is a low pressure meter, which is an oxygen pressure reducer. It converts the high-pressure oxygen into a uniform low-pressure oxygen through the knob handle to supply welding or cutting. 0.3MP's pressure is very common.0- 4MP is a high pressure oxygen meter. The oxygen bottle allows 15MP gas to be filled. This is the gas left in the cylinder at present, 4MP. High pressure makes gas cylinders fill more gas.

Q:What does the pressure gauge 1% mean?: Pressure gauge accuracy of 1%, that is, the standard accuracy level of 1 pressure gauges.A pressure gauge with a rating of 1, indicating that the measuring range of the pressure meter is 1% of the full range.That is, 1MPa pressure gauge, the accuracy level is 1, that is to say, this value error is + 0.01MPa.5MPa pressure gauge, accuracy class is 1, that is to say, this value error is + 0.05MPa.If the accuracy level is 1.6, the measurement error is + 1.6%.1MPa pressure gauge, the accuracy level is 1.6, the value of this error is + 0.016MPa.

Q:What is the green area of the pressure gauge on the extinguisher?: Generally, the pressure gauge GREEN indicates safety range, yellow means warning, red means danger. Green: safety range can be used; yellow: lack of pressure, need to add perfusion; red: too much pressure, dangerous, need immediate overhaul!

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