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:Pressure gauge model Y100-1.6KPa: Contradiction between model and rangeModel is the ordinary pressure gauge (range 0~0.1~100MPa)The measuring range is the diaphragm pressure gauge (model YE-100, range 0~1~60kPa)There are two possibilities: 1, the ordinary pressure gauge Y-100, 0-1.6MPa; 2, membrane pressure gauge YE-100 0-1.6kPa.

Q:Where is the pressure gauge checked?: The pressure gauge is checked by the quality and Technical Supervision Bureau's measurement test.

Q:What kind of oil does the YN-100 pressure gauge contain?: The filling solution for the seismic pressure gauge is glycerin

Q:Function of electric contact pressure gauge: Function of electric contact pressure gauge:The utility model is used for measuring the positive and negative pressure of the gas and liquid medium which does not corrode copper and copper alloy, and sends out signals when the pressure reaches a predetermined value, and the control circuit is switched on to achieve the purpose of automatic control of the alarm.Electrical contact signal pin in electric contact pressure gauge device, a permanent magnet can be adjusted, can increase the contact force, speed up the contact action, so that the contact reliability, eliminating the arc, can effectively avoid the instrument working environment due to frequent vibration or medium pressure pulsation caused by contact off. Therefore, the electric contact pressure gauge has the advantages of reliable operation, long service life and large power of the contact switch.

Q:The role of a pressure gauge: As the name suggests, it is to measure the pressure, welding need to ensure adequate flow of gas protection, sufficient flow is the premise of sufficient pressure in the tank, pressure gauge is to show the pressure inside the tank is enough

Q:There is no pressure gauge in the process of adding fluorine to the air conditioner: Methods: fluoride 1. will be the first operation of air conditioning in the cooling mode, the fluoride mouth with Freon tank on one end of the tube with fluorine and fluoride, the other end tube (with fluoride thimble tube), installed in the low-voltage end of outdoor unit of air conditioner (suction tube) fluoride mouth. 2., open Freon tank plus fluorine valve on the mouth, can directly add fluorine to the air conditioning, fluorine amount of how much, should refer to the air conditioning nameplate marked "fluoride charge" for fluorine. Quantitative filling with scale. After the fluorine is finished, turn off the valve on the Freon tank and the fluorine nozzle, and let the air conditioner continue to operate. To observe the effect of air conditioning refrigeration, such as air conditioning to achieve normal cooling effect, low end remove outdoor machine (suction) plus fluoride mouth of fluoridation pipe, tighten the cap, and the mouth of the air conditioning fluoride can be used normally

Q:The water remote pressure gauge hands swing frequently do?: 1, pointer rotation slow or jitterReason:1, the transmission parts of the clearance is too small, the transmission is not flexible, increase the gap, or add a little Watch Oil2, moving parts between the active parts of fouling, transmission is not working, cleaning, rust removal, in addition to dirt or replacement transmission3, the free end and connecting rod connection is not flexible, adjust the connection mode until flexible4, the pointer with the dial, table cover friction, correct the pointer, thicken the glass lining below2, the needle rotation is not smoothReason:1 、 the sector gear tilts to correct or replace the gear2, the needle axis bending, straightening needle axis3, plywood bending, correcting the flatness of plywood4, the pillar tilts, causes the upper and lower plywood not to parallel, correct the strut, the addition and subtraction washer, causes the splint parallel3, pointer jitter bigReason:1, measured medium pressure fluctuations, close the valve opening2, the gear is not good, adjust the gear with the state3, the needle sleeve and shaft coordination is not good, adjust repair pointer sleeve and shaft clearance gap

Q:A 220V contactor, an intermediate relay, an electrode point pressure gauge, and a physical line diagram: If you don't give a cent, tell me at least how you want to control it Pressure gauge control relay, relay control contactor

Q:Do not understand ah, general repair air conditioning is to see that MPa ah, this temperature is what temperature ah? What's the saturation temperature? Oh, thank you: There are two main air conditioning test pressure, a condenser outlet pressure, a back pressure evaporator, the refrigerant from the condenser outlet state is liquid, so the pipe is fine, the refrigerant from the evaporator outlet state is gaseous, so thick pipe.Repair air-conditioning generally look at these temperatures:1. indoor air outlet temperature, used to determine whether the normal air conditioning.2., the condenser outlet temperature, used to determine whether the condensation is too cold, the greater the supercooling, the better.3., the evaporator outlet temperature, used to determine whether the gas back overheating, overheating is too large, small is not good.Notice that the outdoor unit is a condenser when it is cooled and the chamber is an evaporator.Saturation temperature is the temperature in which a liquid evaporates and a vapor condenses in a dynamic equilibrium state, i.e., a saturated state. Saturation temperature is related to pressure.

Q:Want to buy a pressure gauge, but do not know how to determine the pressure gauge model, you can only measure the size of the dial and then the size of the thread, there is no master pointing out the pressure gauge model specifications?: The best consultation with manufacturers of pressure gauges, they will give you a professional answer, my home pressure gauge is Nanjing Wanda instrument factory, the use of sleep can also be, the price is not expensive

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