Aihua AWA6291 Signal Analyzer (Mechanical Vibration)

NegotiableUpdate on 03/02

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Overview

Aihua AWA6291 Signal Analyzer (Mechanical Vibration)

Product Details

The AWA6291 real-time signal analyzer is a pocket sized real-time analyzer for digital signal processing technology, which can perform spectrum and amplitude analysis on noise, vibration, or other electrical signals. Modular design allows users to choose different software to achieve different functions and obtain different measurement indicators. This instrument can be applied in industrial enterprises, environmental protection, labor hygiene, scientific research and teaching, measurement and testing, and other fields to complete the measurement and analysis of machine and equipment noise, environmental noise measurement, sound power level measurement, building acoustics measurement, and measurement and analysis of machine vibration.

technical indicators

signal input	Socket: X9-6z, optional LEMO socket; Input impedance: 150k Ω//100pF; maximum input voltage: 10V (effective value)
frequency range	10Hz~20kHz（±0.2dB）； 1Hz~23kHz(±1.0dB)
Range gain	-10dB、0dB、10dB、20dB、30dB、40dB
Self generated noise voltage	Less than 4 μ V (1Hz~23kHz)
Voltage measurement range	15 μ V~10V (effective value)
signal output	Socket: Φ 3.5 stereo headphone socket; Output impedance: 1k Ω; maximum output signal voltage: 3.2V
Linear range	Greater than 90dB
A/D bits	24 digits
sampling frequency	48kHz
monitor	240 × 160 dot matrix LCD with EL backlight
output interface	RS232 interface, can be connected to a micro printer to print measurement results, and can also be connected to a PC to send measurement results and real-time analysis results. USB interface, mini B type, compliant with USB1.1, compatible with USB2.0, can be connected to a PC
data store	The measurement results are saved in 48Mbit FLASH or the data can be transferred to a USB drive
Internal calendar clock	Error less than 1 minute/month
working power supply	6 LR6 alkaline batteries or rechargeable batteries, can also be powered by an 8V external power source
Overall dimensions	210×90×38(mm)
quality	0.5kg
Electromagnetic Compatibility	Meet the requirements of IEC 61672.1:2002 standard for Class X sound level meters
working environment	Working temperature: -10 ℃ to+50 ℃; Relative humidity: 25% to 90%; Atmospheric pressure: 65kPa~108kPa

Performance indicators of noise statistical analysis module:

Main functions	Noise statistical analysis, 24-hour automatic monitoring, and integrated measurement
Main measurement indicators	Statistical Analysis Menu: LAFp、LAfmax、LAF5、LAF10、LAF50、LAF90、LAF95、LAFmin、SD、LAeq1s、LAeq,T、LAE、LAFeqT24-hour measurement menu: In addition to all measurement indicators in the statistical analysis menu, there is also Ld、Ln、Ldn
display resolution	0.1dB
data store	Can store statistical analysis results, 24-hour measurement results, and integrated measurement results, up to 12288 sets, and can also transfer measurement results to a USB flash drive

Noise 1/1 OCT analysis module performance indicators:

Main functions	Real time octave frequency spectrum analysis and integral measurement of noise
Filter type	Parallel (real-time) octave band digital filter
Filter center frequency	16Hz～16kHz
The filter meets the standard	GB/T3241 and IEC61260 Level 1
Main measurement interface	List interface, graphical interface. It can display the sound pressure levels of 11 center frequencies and the weighted sound pressure levels of A, C, and Z simultaneously
Main measurement indicators	Instantaneous sound pressure level in frequency band (Lfmi）Frequency band 1-second equivalent sound level (L)fmeq,1s）Frequency band equivalent continuous sound level (L)fmeq,T）Maximum weighted sound level within 1 second (L)xyp）Instantaneous weighted sound level (Lxyi）1 second equivalent weighted sound level (L)xeq,1s）Equivalent continuous weighted sound level (L)xeq,T）Sound Exposure Level (LAE), Sound Exposure Level (E), Peak C-Level (C)peak）Measure the time elapsed (Tm). (fm is determined by the center frequency, X is the frequency weighting A, C, Z; Y represents time weighting F, S, I)
Real time analysis speed	Approximately 47 times per second, simultaneously completing all center frequency and A weighting, C weighting, Z weighting measurements
Recording function	The frequency spectrum of the octave band can be recorded over time at intervals of 31ms, 0.1s, 0.5s, and 1s
data store	It can store the instantaneous value, 1-second integral value, integral value, maximum value, and total value analysis of octave band analysis, up to 12288 sets of integral measurement results, and can also transfer the measurement results to a USB flash drive

Noise 1/3 OCT analysis module performance indicators:

Main functions	Real time 1/3 octave frequency spectrum analysis and integral measurement of noise
Filter type	Parallel (real-time) 1/3 octave band digital filter
Filter center frequency	12.5 Hz～20 kHz
meet the standard	GB/T3241 and IEC61260 Level 1
Main measurement interface	List interface and graphical interface, capable of simultaneously displaying the frequency band sound pressure levels of 34 center frequencies, as well as the synthesized A, C, and Z weighted sound pressure levels
Main measurement indicators	Instantaneous sound pressure level in frequency band (Lfmi）Frequency band 1-second equivalent sound level (L)fmeq,1s）Frequency band equivalent continuous sound level (L)fmeq,T）Maximum weighted sound level within 1 second (L)xyp）Instantaneous weighted sound level (Lxyi）1 second equivalent weighted sound level (L)xeq,1s）Equivalent continuous weighted sound level (L)xeq,T）Sound Exposure Level (LAE), Sound Exposure Level (E), Peak C-Level (L)Cpeak）Measurement of Time of Experience (Tm) (fm is determined by the center frequency, X is A, C, Z, W-U; Y is F, S, I)
Recording function	The frequency spectrum of 1/3 octave band can be recorded over time at intervals of 31ms, 0.1s, 0.5s, and 1s
data store	Can store 1 second integral value, integral value, and total value analysis integral measurement results for 1/3 octave band analysis, up to 12288 sets, and can also transfer measurement results to a USB flash drive

Performance indicators of noise FFT analysis module:

Main functions	Real time FFT spectrum analysis of noise
Number of spectral lines	512 lines, showing 200 spectral lines
sampling frequency	48kHz、24kHz、12kHz、6kHz、3kHz、1.5kHz
Analyze the upper limit of frequency	18.75kHz、9375Hz、4687Hz、2344Hz、1172Hz、586Hz
bandwidth	93.75Hz、46.875Hz、23.438Hz、11.74Hz、5.8594Hz、2.9297Hz
overlap rate	0%, 50%, 75%, 87.5%, 93.75%, 97%
Average method	Exponential average F (time constant 125ms) and S (time constant 1s), and linear average
Main measurement indicators	F-weighted instantaneous value, S-weighted instantaneous value, 1-second equivalent sound level, and equivalent continuous sound level under each spectral line; Maximum weighted sound level within 1 second (L)xyp）Instantaneous weighted sound level (Lxyi）1 second equivalent weighted sound level (L)xeq,1s）Equivalent continuous weighted sound level (L)xeq,T）Sound Exposure Level (LAE), Sound Exposure Level (E), Peak C-Level (C)peak）Measurement of Time of Experience (Tm)
data store	Capable of storing F-time weighted instantaneous values, S-time weighted instantaneous values, 1-second integral values, and integral values for FFT analysis; The instantaneous values and integral measurement results of the total value analysis can be up to 12288 sets, and the measurement results can also be saved to a USB flash drive

Vibration 1/3 OCT analysis module performance indicators:

Main functions	Real time 1/3 octave frequency spectrum analysis and integration measurement of vibration.
integrator	Parallel (simultaneous) first-order and second-order integration. Under the spectrum analysis interface, spectrum synthesis is performed; Implemented by digital filtering in the total value analysis interface
Detection characteristics	Parallel (simultaneous) effective value, peak value, peak value-peak
Effective Value Characteristics	Fast and slow exponential averaging, 1-second linear averaging. Fast gear time constant 1 second, slow gear time constant 8 seconds
Filter type	Parallel (real-time) 1/3 octave band, G=2， Digital filter.
Filter center frequency	10Hz、12.5Hz、16Hz、20Hz、25Hz、31.5Hz、40Hz、50Hz、63Hz、80Hz、100Hz、125Hz、160Hz、200Hz、250Hz、315Hz、400Hz、500Hz、630Hz、800Hz、1kHz、1.25kHz、1.6kHz、2kHz、2.5kHz、3.15kHz、4kHz、5kHz、6.3kHz、8kHz、10kHz、12.5kHz、16kHz、20kHz
meet the standard	IEC 61260：1995 Class1
Main menu	1/3 OCT analysis, total value analysis, parameter settings, data management, calibration five submenus
Main measurement indicators	Main measurement indicator: frequency band1Second linear average(afmeq,1sThevfmeq,1sThesfmeq,1s)Linear average of frequency band(afmeq,TThevfmeq,TThesfmeq,T)The effective values, peak values, and peak to peak values of acceleration, velocity, and displacement, as well as the measurement experience time(Tm)
integration time	1 second to24Hours can be set in stages or arbitrarily
data store	Capable of storing 1/3 octave band analysis1The integration measurement results of second linear average, linear average integral, and total value analysis, up to12288Group, measurement results can also be savedUOn the plate
measurement range(15.92Hz as reference frequency, equipped with 2pC/m/s)2The accelerometer	Acceleration: 0.05m/s2~5000m/s2 Speed: 0.5mm/s~50000mm/s Displacement: 0.005mm~500mm
frequency range	Acceleration (low frequency band):2 Hz~20 kHz Acceleration (high frequency band): 10 Hz~20 kHz Speed (low frequency band):2 Hz~1.5 kHz speed (high frequency band): 10 Hz~1.5 kHz Displacement (low frequency band):2 Hz~200 Hz displacement (high frequency band): 10 Hz~200 Hz
Basic measurement error	5%（15.92 Hz as reference frequency)

Performance indicators of vibration FFT analysis module:

Main functions	Real time FFT spectrum analysis and integral measurement of vibration
integrator	Parallel implementation of digital filtering in the total value analysis interface (simultaneously))Acceleration, velocity, displacement
Detection characteristics	Parallel (simultaneously))Effective value, peak value, peak value-peak
Effective Value Characteristics	Average of fast and slow indices,1Second linear average. Fast time constant1Second, slow speed time constant8second
FFT analysis line count	512 lines, visible200Spectral line
sampling frequency	48kHzThe24kHz、12kHz、6kHz、3kHz、1.5kHz
Analyze the upper limit of frequency	18.75kHzThe9375Hz、4687Hz、2344Hz、1172Hz、586Hz
Each line bandwidth	93.75Hz、46.875Hz、23.438Hz、11.74Hz、5.8594Hz、2.9297Hz
overlap rate	0、50%, 75%, 87.5%, 93.75%, 97%
FFT result averaging method	Exponential and linear. The exponential time constant is divided into two levels, F and S, with the F level having a time constant of 125ms and the S level having a time constant of 1000ms
Linear range	Above 90dB
data store	Fast time weighted instantaneous values and slow time weighted instantaneous values that can store FFT analysis1Second integral value, integral value; The instantaneous value and integral measurement results of total value analysis, at most12288The group can also transfer the measurement results toUOn the plate
measurement range(15.92Hz as reference frequency, equipped with 2pC/m/s)2The accelerometer	Acceleration: 0.05m/s2~5000m/s2 Speed: 0.5mm/s~50000mm/s Displacement: 0.005mm~500mm
frequency range	Acceleration (low frequency band):2 Hz~20 kHz Acceleration (high frequency band): 10 Hz~20 kHz Speed (low frequency band):2 Hz~1.5 kHz speed (high frequency band): 10 Hz~1.5 kHz Displacement (low frequency band):2 Hz~200 Hz displacement (high frequency band): 10 Hz~200 Hz
Basic measurement error	5%（15.92 Hz as reference frequency)

Function selection and application

configuration	Configuration Name
Host (mandatory)	1 set of AWA6291 host (excluding microphone, preamplifier, and authorized software)
Noise measurement optional	AWA14423 test microphone (including AWA14601 preamplifier+AWA8710-S80 wind bulb)
	Statistical analysis software（S6291-00101）
	1/1 OCT analysis software (S6291-00202)
	1/3 OCT analysis software (S6291-00303)
	FFT analysis software (S6291-00404)
	Reverberation time measurement software（S6291-00508）(Must first be equipped with noise 1/1 OCT and1/3 OCT）
Mechanical vibration measurement selection	AWA84106 sensor (including AWA14605 preamplifier+1.2-meter sensor cable LZ5-LZ5 connecting wire+magnetic seat)
	Vibration 1/3 OCT analysis software (S6291-02305)
	Vibration FFT analysis software (S6291-02406)
	Vibration 1/3 OCT analysis software (S6291-02305)+Vibration FFT analysis software (S6291-02406)
Printer selection	AWA40-S Mini Printer