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We are leaders in the market for providing best range of Vibration Comprehensive Experimental Teaching System, Accelerometer Calibration System, Multifunctional Experimental Equipment and Multi Function Rotary Experiment

Vibration Comprehensive Experimental Teaching System

  • Min. Order (MOQ) 1 Set(s)

We are offering vibration comprehensive experimental teaching system. "vibration comprehensive experimental teaching system" is designed for colleges and universities. The system is for the mechanics discipline, civil engineering structures and mechanical disciplines. Combined with institutions of higher learning teaching theory courses, the full set of test methods may provide students with laboratory equipment to enable students to learn through visual experiments to deepen their theory. The system is an essential teaching experimental device. configuration of the data acquisition instrument, amplifiers, sensors and software can be used for scientific research and experiment. the configuration of the system � simply supported beam and cantilever beam � disc � motor and speed adjuster � oil damper � single and double absorber � active isolator � passive isolator � contact exciter � non-contact exciter � uniform strength beam with 4 counter weight � impact hammer with force sensor � accelerometer � two or three degree of freedom string and 2 counter weight � teaching instrument with charge amplifier, strain gauge, data acquisition, programmable signal source and power amplifier.

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Accelerometer Calibration System

  • Min. Order (MOQ) 1 Set(s)

We are offering accelerometer calibration system. 1. Overview a sensor's frequency response and sensitivity is a very important technical indicator for a its designing and its vibration signal measurement. The system is designed for the calibration of the accelerometer's frequency response curve and sensitivity. The calibrating procedure is automatically controlled by a computer. The system is used to measure the frequency and amplitude of a standard reference accelerometer and the sensor to be calibrated. The sensor's frequency response curve and sensitivity is thus calibrated by comparison of the different measurements (the so-called back-to-back method). the system can be used in research institutes, laboratories of vibration research, and for the design and production of sensors. the system can also calibrate the sensitivity and frequency response curve of velocity sensors. Velocity sensors are widely used in petroleum exploration, machinery vibration monitoring in factories, etc. 2. Component â�¢ naws-5926c control instrument â�¢ naws-2401 two channel charge amplifier â�¢ jz-2a exciter â�¢ gf-20 power amplifier â�¢ bk 8305 standard reference accelerometer(optional) â�¢ computer (optional) â�¢ vib'sin software 3. Functions â�¢ sine wave sweep according to user-defined spectral line and amplitude â�¢ sine wave sweep according to equal interval spectral line and amplitude â�¢ draw frequency response curve in linear or logarithmic coordinates 4. Techincal specification 4.1 control instrument model: naws-5926c 1) led display of d/a output voltage amplitude 2) usb computer interface. It is compatible with usb1.1 and usb2.0 3) sweep frequency range from 0.1hz to 50khz 4) d/a analogue output amplitude is â±10v 5) frequency accuracy is 0.01hz 6) amplitude accuracy is 0.2%fs 7) 1 d/a channel 8) maximum sample frequency is 500ks/s 9) power supply is from ac110v to ac220v 10) size is 33x27x6cm 4.2 exciter model: jz-2a 1) frequency range: 60hz to 30khz 2) maximum current: 2.5a 3) maximum load: 110g 4.3 power amplifier for exciter model: gf-20 1) maximum power: 20va 2) maximum current: 2a 3) maximum output voltag: 10v 4) frequency rang: 10hz to 40khz 5) output resistance: 6 ohm 6) distortion:

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Multifunctional Experimental Equipment

  • Min. Order (MOQ) 1 Set(s)

We are offering multifunctional experimental equipment. this product is mainly used for experiments for mechanics of materials in engineering colleges. You can do a variety of experiments on mechanics of materials on this device, with only slight changes of the device for each experiment. load is provided by a spiral worm gear. Measurement is performed on load with a force sensor and on strain with a strain gage. The test bench's structure is compact, load can be steadily provided, and it is simple for student to operate. It can produce high quality experimental results with this device. Other tests can be added to the device as needed. The strain instrument inside the device can connect to a computer where data acquisition and processing can be performed. this product is designed with enclosed steel frame and cast composition with careful surface treatment. It is a durable fastening structure. For each type of experiment, the product equips with specimens and surface treatment samples and accessories. system composition and principle the system is composed of base, pure bending specimens, sensors, strain instrument, strain gage, wires and so on. The strain instrument can connect to a computer where data can be processed. Through the electrical test method, a few basic parameters in mechanics of materials can be measured and analyzed, and the results can be compared with the theoretical values. the basic principle of this strain-stress electrical measurement method: measuring a specimen's surface strain with strain gage, then the specimen's surface stress state is determined according to the strain-stress relationship. The strain-stress electrical measurement method is not only used to validate the basic theory of mechanics of materials, to measure the mechanical properties of materials, but also is a major engineering testing means for solving engineering problems. It provides a good experimental basis for scientific research. contents of experiment (1) normal stress regularity of distribution on cross sections of pure bending beams (2) strain gage sensitivity coefficient calibration (3) elastic modulus and poisson's ratio determination (4) eccentric tension (5) bar stability (6) determination of the size and the direction of the principal stress (7) measurement of bending moment and torque separately under the combined action of the bending and torsion (8) equal strength tests on variable cross-sections (9) bending normal stress test on equal strength beams specifications experimental device dimension: 700x475x1080mm (27.56x18.70x42.52") maximum loading: 8kn maximum loading displacement: 30mm (1.18") loading speed: 0.12mm/r the handwheel load torque: 0~2.5n.m weight: 70kg pure bending beam dimension: 700x20x40mm (27.56x0.79x1.58") maximum loading: 4kn elastic modulus: e=190~210gpa poisson's ratio: âµ=0.26~0.33 calibration beams dimension: 700x15x25mm (27.56x0.59x0.98") maximum loading: 4kn elastic modulus: e=190~210gpa poisson's ratio: âµ=0.26~0.33 three-point deflectometer dial indicator measuring range: 0~10mm resolution: 0.01mm support span: 200mm seamless steel pipe (hollow shaft) outside diameter: 40mm (1.58") inside diameter: 32mm (1.26") length: 345mm (13.58") length of the sector arm: 240mm (9.45") elastic modulus: e=190~210gpa poisson's ratio: âµ=0.26~0.33 preload: >100n maximum loading:

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Multi Function Rotary Experiment

We are offering multi function rotary experiment the experiment bench is mainly used for teaching demonstration and experiments for students. It is designed for the mechanics discipline of colleges and universities. The device is characterized as compact in structure, small in size, convenient for operation, and it can be used for various experiments of rotating machinery with its large number of demonstration items and advanced testing means. contents of experiment (1) base vibration and shaft vibration and phase changes when rotor rotates at critical rotational speed (2) critical speed measurement of rotating shaft (3) the influence of different rotor structure model on critical speed of rotor (4) measuring the vibration modal of flexible rotors (5) oil whirl and whip of sliding oil-bearing (6) radial vibration and axis displacement (simulation) of non-contact testing shaft (lisajours figure) (7) dynamic balance (8) bode figure (9) three dimensional analysis of real-time waterfall diagram of a rotor.

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