WE-A Series Dial Type Hydraulic Universal Testing Machine

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Ⅰ、Main functions
This series machines are mainly designed for tension, compression, bending and cutting test of metal materials and meet with the requirements of GB/T228-2002”Metallic materials-Tensile testing at room temperature”. This machine is also used for compression and bending test of nonmetal materials, such as cement, concrete and so on. Equipping with special auxiliaries, it can be used for mechanical property testing of fastener, wire rope and components. They are ideal testing instrument for project quality testing section, university and college, research institution and industrial and mining enterprise.
Ⅱ、Product features
1. This machine adopts oil cylinder overhead (underneath) type structure, hydraulic load, hydraulic or manually clamping specimen.
2. The main machine is separated with ergo meter, connected by high-pressure oil pipe and wire,avoiding the influence of ergo meter degree when the specimen is breaking, which makes the value accurate.
3. Testing force indicator dial adopts closed type, which makes scale clear.
4. Loading speed indicator makes operation more convenient. It has three kinds speed: 0.4 rotor/min, 0.8rotor/min and 2rotor/min.
5. Automatic tracer is installed upright of ergo meter shell and can magnify the straining original shape by 2 or 4 times according to the requirements of test.
Ⅲ、Product catalogue
WE-A Oil cylinder overhead type
WE Oil cylinder underneath type Displacement of beams
WE-B Oil cylinder underneath type Displacement of chain
Ⅳ、Technical specifications:

SPECIFICATION			WE-100A	WE-300A	WE-600A	WE-1000A
Maximum force（kN）			100	300	600	1000
Measuring range and minimum scale (scl.)			0-20kN 0.04kN/scl. 0-50kN 0.1kN/scl. 0-100kN 0.2kN/scl.	0-60kN 0.2kN/scl. 0-150kN 0.5kN/scl. 0-300kN 1.5kN/scl.	0-120kN 0.5kN/scl. 0-300kN 1kN/scl. 0-600kN 2kN/scl.	0-200kN 0.5kN/scl. 0-500kN 1kN/scl. 0-1000kN 2kN/scl.
Accuracy of testing force			±1% of indicated value
Deformation zoom factor of tracing device			2：1 OR 4：1
Clamping diameter for round specimen (mm)			ф6-ф22	ф10-ф32	ф13-ф40	ф13-ф60
Clamping Thickness of flat specimen（㎜）			0-15	0-15	0-30	0-40
Maximum clamping width of flat specimen			40	70	70	120
Testing space（㎜）	tension		550	550	550	700
	compression		270	700	300	750
Platen size（㎜）			ф100	ф130	ф180	230×230
Distance of bending by pass roll（㎜）			30－600	30－1000	30－1000	30－1000
Piston stroke（㎜）			250
Power supply			380V±10%，50Hz
Working environment			10℃～30℃, relative humidity≤80%
Overall dimension （L×W×H）（㎜）		Host machine	850×565×2400	900×600×2550	1120×900×3010	1260×900×4000
		Ergo meter	1070×810×1730
Weight（kg）			1440	2740	3040	4340

Q:Do pressure gauges need to be installed for pressure drainage?: Unwanted！ Plainly, there is no need to install

Q:What kind of pressure gauges do you need for repairing refrigerators?: At least two, one is low voltage with negative pressure, the other is without negative pressure measurement of high pressure, one end of the refrigerant bottle or not connected, and the other end of the expansion bell mouth of the copper pipe reception test pipeline. When you go to the accessories store, the boss will tell you.

Q:For example, a 1.6 mpa. How do you measure it?!: Multimeter hit 2K (digital table), measuring remote table above three terminals in any two terminals: if it is 400 Ou mother, these two is high-end, low-end, and the rest that is the sliding end (middle end). Next, the access line, if the clock indicating pressure increases, while the display is declining, the high-end, low-end swap line.In general, three terminals, the bottom is the middle end, the middle is high-end, and the top is the low-end. Consistent with the electric contact pressure gauge.Have a try.In general, three terminals, the lower end of the remote meter to measure the above three terminals in any of the two terminals, the top is the low-endIn order to measure the current, the voltage of the standard resistance is measured, and the current is calculated according to the voltage. The output between 4 and 20mA depends on the type of the remote meter. Analog remote meter is generally 4 to 20mA output, to determine whether the pressure gauge is normal, if it is digital remote meter, that is, high-end 24V voltage, multimeter is not measuredA 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:How does the fire pump pressure meter work?: Fire pump pressure gauge pressure gauge is not seen, but there are 3 kinds of fire pipes, 1. fire pump outlet pipe pressure gauge (in the pipeline and pipeline pump lift check valve between the pump running only) to show the pressure value, to test the pump outlet pressure and pump running out of water, 2. fire the pipe pressure gauge for check fire system pressure, 3. fire pipeline highest point (that is the most unfavorable point pressure meter) for viewing the most unfavorable point pressure value. As for the twenty-seven story tall building, it depends on how many meters, 10 meters and 1 MPa are calculated. An average of 3 meters per layer, 27 X3=71 meters, need 7.1 MPa water pressure.

Q:How does the air conditioning pressure gauge add readings?: The scale on the meter is pressure. Through the pressure display, you can know the exhaust pressure of the compressor (high pressure) and the inlet pressure (low pressure), and judge whether the system is running properly, such as system congestion, refrigerant leakage and other faultsThere should be MPa (Zhao Pa) and bar (bar) on the table, which is the common pressure unit in china,0.1MPa = 1bar = 1 kg / cm2, kg / cm2 - this unit is not a statutory measure of the country and is not marked on the table, but we use it more orallyTake the common R22 refrigerant as an example, according to the different environment temperature, when the refrigeration system is working normally, the low voltage is generally at 3^6bar, and the high voltage is usually at 10^25bar.

Q:Why isn't the pressure meter back to zero?: If the new watch has air in it, it should be let out, and the specific reference manual. The old watch says the watch is out of order.

Q:Seismic pressure gauge compared with ordinary pressure is what, what is the scope of application: Ordinary pressure gauges are suitable for measuring the pressure and vacuum of liquids, gases, or vapors that are free of explosion, crystallization, solidification, and corrosion of copper and copper alloys.Vibration proof pressure gauge is widely used in machinery, petroleum, chemical, metallurgy, mining, electricity and other sectors, measurement of non corrosive medium on copper and copper alloy pressure.Seismic pressure gauge pressure gauge has the advantages compared with ordinary:The utility model is suitable for the environment violent vibration places, and can withstand the pulsation of the medium, the impact and the sudden unloading, and the instrument indication is stable and clear.

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: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:What is the actual value of the pressure gauge mounted on the pressure vessel?: Pressure difference with atmospheric pressure.

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