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: For example, I want to stop the pump before the pump pressure signal and now, through the pump pressure signal, adjusting the frequency of the pump, to ensure the pump pressure at a fixed value, it will the pressure signal through the pressure transmitter is good or remote pressure gauge? Shall I use the remote pressure gauge before pumping and use the pressure transmitter after the pump? Is the electric contact pressure meter reliable?: The electric contact pressure gauge is reliable

Q: In which industry does the pressure gauge use more?: Oil and gas extractionoil refiningPetrochemical and chemical industrypowerwater treatmentPapermakingsteelPharmacyfood

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: 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?: I'm a pressure gauge. Let me tell you. I hope I can help you

Q: How do you contact the pressure meter to the pump control box?: The electric contact pressure gauge has upper limit and lower limit contact (common midpoint). The lower contact (less water start, parallel contactor normally open contact retention) connected to the pump contactor coil; the upper contact (water full stop) connected to intermediate relay coil, the normally closed contact string into the pump contactor coil circuit of the intermediate relay action, disconnect contactor coil power source. If the contactor is large, then the lower limit contact will be amplified by another relay.

Q: What is the calibration cycle for the pressure gauge / thermometer / flowmeter? Is there a standard to check?: Used as an enterprise, usually for one year unless required.

Q: What kind of pressure gauges do you need for repairing refrigerators?: Maintenance of refrigerators requires at least 3 pieces of pressure gauge, 2 pieces, 2.4 kilograms, a piece of 1.5. The refrigerator low pressure gauge can not measure high pressure.1. Maintenance of pressure gauges for refrigerators is a necessary tool for maintenance.2, through the high-low pressure to determine the operation of air conditioning.3. Vacuum system and evaporation pressure are determined by observing low pressure meter when pumping vacuum and charging refrigerant.4. Watch the high and low pressure meter at the same time when the refrigerator is running, and pass the evaporation pressure of the low pressure meter.

Q: If the plot pressure gauge 2.5MPA and the daily work range 1.23MPA-2.12MPA, what sort of pressure gauges should we choose?What are the methods of calculation?: I wonder what the allowable error of your watch is,I'll tell you a formula. You can count it yourselfThe allowable error range of instrument / X100%, the result is that you remove the back% of the watch precision to achieve. Then you can choose from the value of a small worth recently. (if you count up to 0.6, you can choose 0.5 of the table.)The level of instrument accuracy stipulated by China is 0.005,0.02,0.05,0.1,0.2,0.35,0.5,1.0,1.5,2.5,4.0., among which 0.5-4.0 is a common industrial instrumentIf it's not clear, leave a message for me

Q: Seismic pressure gauge compared with ordinary pressure is what, what is the scope of application: Seismic pressure gauges for environment vibration, the pulse of media tolerance, and the impact of a sudden unloading, the instrument is stable and clear. Widely used in machinery, petroleum, chemical, metallurgy, mining, power and other departments to measure the pressure of copper and copper alloys without corrosive medium.Shock proof pressure meter is composed of pressure leading system (including joint, spring tube, limiting screw), gear transmission mechanism, indicator device (pointer and dial) and the shell (including watchcase, table cover, table glass etc.). Vibration proof pressure gauge shell is airtight type structure, can effectively protect the internal parts from the environmental impact and pollution invasion. Vibration proof pressure gauge filled with damping liquid in the shell (usually silicone oil or glycerin) instrument, ripple resistance to working environment and reduce the vibration of medium pressure. The ordinary pressure gauge has poor seismic performance.

Q: What's the difference between the pressure gauge and the bellows pressure gauge?: Big differenceThe bellows gauge is only one of the pressure gaugesA pressure gauge is a general term

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