Vibration measurement system

Vibration measurement systemThe system consists of DFT5004 vibration controller, GF200 power amplifier, JZQ-20B low-frequency vibration table, and standard sensor (voltage type). Controversy among Su BaofeiVibration measurement system TB brand

JZQ-20vibration exciter

1Characteristics

1.1Small size, light weight, and can be used as a vibration tableVerify the sensoruse;

1.2Can be used for environmental vibration and fatigue testing of small and medium-sized parts and instruments;

1.3Can be used for measuring dynamic response, resonance frequency, mechanical impedance, etc. of small and medium-sized structures;

1.4Wide frequency range and high output efficiency;

1.5Reasonable structure and high reliability;

2Main technical indicators

2.1rated output(peak)sine/random: 200 N；

2.2maximum amplitude: ±10 mm；

2.3maximum acceleration: 25g；

2.4Maximum input current≤14Arms；

2.5frequency range: DC～5KHz；

2.6First-order resonance frequency: 50Hz；

2.7Dynamic coil DC resistance0.7Ω；

2.8Force constant(N/A): 14.3；

2.9Mass of movable components:0.56Kg；

2.10Overall dimensions(mm)：Φ180×244；

2.11mounting hole size(mm): 200×160 /4-Φ10；

2.12weight: 17.5Kg；

2.13output method:Countertop;

2.14connection method: M5；

2.15Elastic support stiffness(N/mm): 3；

2.16Main resonance frequency: >1500 Hz；

2.17forced air cooling:None;

2.18nonlinear: ≤1%(For maximum excitation force);

GF200power amplifier

1Characteristics

1.1Equipped with output voltage, current indication, and monitoring terminal holes;

1.2Output signal clipping indication;

1.3adjustable3A~12AOutput current limiting function;

1.4Output transistor overheat protection;

1.5Output transistor failure indication;

1.6High resistance, low resistance(Constant voltage, constant current)Output two working modes;

1.7As a high-power excitation source for vibration testing and experimentation;

2Main technical indicators

2.1Input: Input impedance≥10kΩ；

2.2output

2.2.1Rated output power:200VArms；

2.2.2Rated output voltage:16Vrms；

2.2.3Rated output current:12Arms；

2.2.4Nonlinear distortion:<1%；

2.2.5Signal to noise ratio: low impedance≥80dB, high resistance≥60dB；

2.3Gain: low impedance10V/V±2dB；

High impedance8A/V±2dB；

2.4frequency characteristics

2.4.1Frequency response (constant voltage, small signal):DC input 0-50kHz ± 1dB;

Communication input 20~50kHz ± 1dB；

2.4.2Frequency range:full power:20~5kHz；

Reduced power:0~10kHz；

2.5protect

2.5.1Output current limit:3～12ArmsAdjustable;

2.5.2Output transistor overheating:≤85⁰C±5⁰C；

2.6instruction

2.6.1output voltage/Error of ammeter:< ±5%；

2.6.2Clipper indication: Yes;

DFT5004dynamicData Collection and Analysis System

1TheADResolution: 16bit

2Accuracy:superior to0.5％(full scale)

3Input:4Channel voltage orIEPEType sensor（4mA/+24VDC）

4Channel sampling frequency:100KSPS/CH

5Voltage input range:±10VP

6Programmable gain:1、10、100times

7Frequency range: Voltage input:DC-30KHz

IEPEInput0.3Hz-30KHz

8、Power supply:DC10∽30V

9Input connector:BNCSocket;

10External dimensions:125mm（W）×50mm（H）×178mm (D)；

11Weight: Approximately500G；

12Application software:DFT6000；

DFT6000Data collection and analysis system software

DFT6000The signal analysis system supports two working states simultaneously: signal acquisition and post-processing analysis,This system has the following characteristics:

1. The entire system adoptsC++Language development, object-oriented programming, fully plugin architecture, system stability, reliability, and strong scalability.

2. The system supports both online mode and post-processing mode, with the option to switch between the two modes. It also supports workspace and project document management functions, making data management very convenient.

3. Support virtualTEDSSensors are managed uniformly using a database, making them more convenient to use.

4. Simultaneously supporting multiple languages, the system defaults to supporting both Chinese and English. The language files are in text format, and users can translate them according to their actual needs to ensure good support for other languages. Different languages can be switched in real-time.

5. It can be equipped with various signal analysis instruments produced by our company, and the type of analyzer can be specified according to the actual product used by the user.

6. It has rich multiple parameter setting functions:

l The sampling start and end channels can be set arbitrarily;

l Randomly specify whether each sampling channel is saved or not;

l Can adjust the refresh rate of graphics when displaying waveforms;

7. Supports multiple file storage formats. The file format for saving can be the binary format exclusively used by Lianneng Company, or it can be saved asUFF58TheUFF58b，MatLab5.0format,Convenient for users to analyze data using other software.

8. Multiple sampling methods:

l Oscilloscope mode;

l Manually triggered;

l Signal triggering;

l Continuous recording.

9. It has rich time-domain and frequency-domain analysis and processing functions, and the system supports displaying:

l Strain flower calculation

l Single trace oscilloscope view;

l Multi track time-domain waveform;

l Li Shayutu (i.eX-YFigure,XAxis,YThe axis can specify any channel);

l Fourier analysis;

l Self spectral, power spectral, and power spectral density analysis;

l Transfer Function Analysis;

l Analysis of rotational speed of rotating machinery;

l statistical information(It can display the maximum and minimum values, peak to peak value, effective value, variance, standard deviation, peak factor, waveform factor, pulse factor, and margin factor of any number of channels).

10. Make full use of the computer's massive storage hard drive to record multi-channel signals for a long time, in real-time, and without interruption.