High precision vibration measurement system

High precision vibration measurement system
QTS1000 ™ High precision testing systems are used in applications with high measurement requirements, such as weak sensor output signals, long distances between testing points and the testing system, high frequency noise and DC interference, wide dynamic range of the tested signal, and high testing accuracy requirements The system adopts a flexible modular architecture, with specially designed high-precision preamplifiers and filter conditioners. The entire system has good openness, scalability, and maintainability
System performance:
·Standard 24 channel signal input
·16 bit high-resolution A/D, 200kHz high sampling rate
·High precision programmable amplification conditioning and high-performance programmable filtering conditioning can be flexibly combined in the same system
·Modular structure, flexible expansion, easy maintenance, and very low MTTR
·Special chassis design enhances power supply, cold air, EMC, and low environmental adaptability, with high MTBF
·Anti theft function: The system reserves interfaces to obtain timely and reliable anti-theft detection information as needed
高精度放大 （QTS1000A）
·Each channel has an independent programmable amplifier with programmable gains of 1, 2, 4, 5, 8, 10, 50, 100, 500, and 1000
·• Maximum signal input range: ± 10V, maximum output signal range: ± 10V
• Three output modes: Each channel signal provides three outputs simultaneously, with different filters and cutoff frequencies, to achieve the effect of suppressing interference in different frequency bands, in order to obtain useful signals in different application scenarios
a. The tested signal is amplified and directly output, with a cut-off efficiency of DC to 10kHz
b. The measured signal is filtered by a second-order Butterworth low-pass filter and output with a cutoff frequency of 4Hz
c. The measured signal is filtered by a second-order Butterworth high pass filter and output, with a cutoff frequency of 4Hz for the high pass output
·Gain accuracy: ± 0.02% (gain ≤ 100), ± 0.02% (gain>100)
·• Input impedance: 2M Ω (single ended), 4M Ω (differential)
·Output DC offset voltage: ≤± 1mV (gain ≤ 100), ≤± 10mV (gain>100)
·Effective value of output DC offset voltage: ≤± 1mV (gain ≤ 100), ≤± 3mV (gain>100)
·• Signal access: 12 core aviation socket
High performance programmable filter (QTS1000D)
·• Input range: ± 5V
·High pass filtering: Each channel has an independent first-order passive high pass filter, with a low-end cutoff frequency of 0.15Hz or 1.6Hz to choose from
·• Working mode: Each channel works independently
Channel synchronous sampling mode, with the maximum phase difference between channels being less than ± 1 °
·• Signal access: 7-core aviation socket
·Effective value of output DC offset voltage: ≤± 1mV (gain ≤ 100), ≤± 3mV (gain>100)
·• Signal access: 12 core aviation socket