WDS Series Digital Display Type Electronic Universal Testing Machine

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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-50
Measuring range of force (kn)	1-50
Accuracy of testing force	±1% of indicated value
Resolution 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)	700
Power supply	380V±10%，50Hz
Working environment	10℃-30℃,
Main configuration	Imported servo motor and speed adjustment system, precision photoelectric encoder.
Overall dimension of host machine (mm)	740×500×1680
Weight (kg)	450

Q:The greater the accuracy of a pressure gauge, the higher or lower the accuracy of the measurement, or the difference between the two: The greater the accuracy of the pressure gauge, the lower the accuracy of the measurement!For example: the accuracy level of the pressure gauge is 1.6, which represents the maximum allowable error of the pressure gauge is + 1.6%. If 0~10MPa, the maximum allowable error is + 0.16MPaThe accuracy level of the pressure gauge is 2.5, which represents the maximum allowable error of the pressure gauge is + 2.5%. If 0~10MPa, the maximum allowable error is + 0.25MPaIt can be seen that the measurement accuracy of level 1.6 is higher than that of level 2.5.

Q:What is the state of the warranty period for the ordinary pressure gauge?: The warranty period is stipulated by the manufacturer, usually 1 years.Since pressure gauges are measuring instruments, the importance of the pressure gauges should be graded according to ABC, and the calibration period should not exceed half a year.

Q:What's the effect of the rubber plug at the top of the shock gauge? What's the effect of not cutting off?: General vibration proof pressure gauge is suitable for measuring the pressure of medium is a strong impulse changes or pressure impact, in the process of unloading occasions, often sudden vibrations occasions.

Q:What is oil immersion pressure gauge?: An oil pressure gauge is a pressure gauge that is filled with a damping fluid (usually silicone or glycerin) in the case. Also called proof pressure gauge is suitable for environmental vibration places and medium pressure pulsation larger occasions.

Q:What are the procedures for checking the pressure gauge in that department?.: Quality Supervision Bureau

Q:The outlet flow of centrifugal pump to adjust the valve closed small, vacuum gauge and pressure gauge change?: The flow rate decreases, the loss is small, the vacuum of vacuum table decreases, the head increases, and the pressure of outlet pressure gauge increases

Q:Why does the electric contact pressure meter sometimes stop when the contact reaches the upper limit of the pointer?: The upper contact is not in contact with the pointer contact.

Q:What are the common measuring ranges of pressure gauges?: Common is mainly from 0~60Mpa, mainly divided into four measuring range: 0.04~0.6Mpa, 0.1~6Mpa, 1~25Mpa,, 1~60Mpa, in which 1~25Mpa is relatively small, and the other two measuring ranges are more common

Q:What does the water pressure meter MPa stand for?: A unit of pressure, kpa. M refers to millions, and Pa is the unit of pressure, Pascal's abbreviation.

Q:What's the cylinder pressure gauge for?: Measurement of rigid pressure, not more than 7, just lift the rigid cap

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