AWA6291 Real time Signal Analyzer (SP00007094)

Characteristics: ● Compliant with GB/T 3785.1-2010 Level 1
High precision, 24 bit A/D, linear range greater than 90 dB
Simultaneously (in parallel) complete the weighting of frequencies A, C, and Z, as well as the weighting of times F, S, and I
Real time 1/1 and 1/3 OCT and FFT analysis
● Timer startup and shutdown function; The startup mode can be either over limit startup or equal interval startup mode
Users can purchase 1/3 OCT software and define their own frequency meter weights (W-U)
● Can continuously record the total value, OCT and 1/3 OCT analysis results over time
Main technical performance:
1. Signal input: socket: X9-6z, optional LEMO socket; Input impedance: 150 k Ω//100 pF; Input voltage: 10 V (RMS);
2. Frequency range: 10 Hz~20 kHz (± 0.2 dB), 1 Hz~23 kHz (± 1.0 dB)
3. Range gain: -10 dB, 0 dB, 10 dB, 20 dB, 30 dB, 40 dB
4. Self generated noise voltage: less than 4 μ V (1 Hz~23 kHz)
5. Voltage measurement range: 15 μ V~10 V (effective value)
6. Signal output: socket: Φ 3.5 stereo headphone socket; Output impedance: 1 k Ω; output signal voltage: 3.2 V.
7. Linear range: greater than 90 dB
8. A/D bits: 24 bits 9, sampling frequency: 48 kHz
10. Display: 240 × 160 dot matrix LCD with LED backlight
11. 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, compatible with USB1.1 and USB2.0, can be connected to a PC.
12. Data storage: The measurement results are saved in 64 Mbit FLASH, with an additional 12288 sets stored, or the data can be transferred to a USB drive
13. Internal calendar clock: error less than 1 minute/month
14. The instrument comes with a built-in Chinese character library that complies with the GB 2312 standard, allowing for the input of both Chinese and English measurement point names on the instrument
15. Users can set the startup and shutdown times. Stable startup time: less than 10 seconds
16. Working power supply: 6 LR 6 alkaline or rechargeable batteries, capable of continuous use for 12 hours. An external power supply of 8 V can also be used
17. Dimensions: 225 × 90 × 38 (mm) (excluding microphone and preamplifier)
18. Mass: 0.5 kg (including battery, excluding microphone and preamplifier)
19. Electromagnetic compatibility: meets the requirements of IEC 61672.1:2002 standard for Class X sound level meters
20. Working environment: Working temperature: -10 ℃ to+50 ℃; Relative humidity: 25% to 90%; Atmospheric pressure: 65kPa~108kPa

Noise statistical analysis software (S6291-00101)

1. Main functions: noise statistical analysis, 24-hour automatic monitoring, and integrated measurement

2. Main measurement indicators: Statistical analysis menu: L_AFp、L_Afmax、L_AF5、L_AF10、L_AF50、L_AF90、L_AF95、L_AFmin、SD、L_Aeq1s、L_Aeq,T、L_AE、L_AFeqT

24-hour measurement menu: In addition to all measurement indicators in the statistical analysis menu, there is also L_d、L_n、L_dn

3. Display resolution: 0.1 dB

4. Data storage: can store statistical analysis results, 24-hour measurement results, integration measurement results, up to 12288 sets, and can also transfer measurement results to a USB flash drive

Noise OCT Spectrum Analysis Software Package (S6291-00202)

1. Main function: Real time octave spectrum analysis and integration measurement of noise

2. Filter type: Parallel (real-time) octave band digital filter

3. Filter center frequency: 16 Hz to 16 kHz

4. Filter meets the standards of GB/T3241 and IEC61260 Level 1

5. Main measurement interfaces: 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

6. Main measurement indicators: instantaneous sound pressure level in frequency band (L)_fmi）Frequency band 1-second equivalent sound level (L)_fmeq,1s）Frequency band equivalent continuous sound level (L)_fmeq,T）Weighted sound level within 1 second (L)_xyp）Instantaneous weighted sound level (L_xyi）1 second equivalent weighted sound level (L)_xeq,1s）Equivalent continuous weighted sound level (L)_xeq,T）Sound exposure level (L)_AE）Sound exposure (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)

7. Real time analysis speed: about 47 times/second, simultaneously completing all center frequency and A weight, C weight, Z weight measurements

8. Recording function: It can record the changes in octave frequency spectrum over time at intervals of 31 ms, 0.1 s, 0.5 s, and 1 s

9. Data storage: It can store instantaneous values of octave band analysis, 1-second integral values, integral values, values, and total value analysis of integral measurement results, with a maximum of 12288 sets. The measurement results can also be transferred to a USB drive

Noise 1/3 OCT analysis software package (S6291-00303)

1. Main function: Real time 1/3 octave frequency spectrum analysis and integration measurement of noise

2. Filter type: Parallel (real-time) 1/3 octave digital filter

3. Filter center frequency: 10 Hz to 20 kHz

4. Compliant with standards: GB/T3241 and IEC61260 Level 1

5. Main measurement interface: list interface, graphical interface, can simultaneously display the sound pressure levels of 34 center frequencies in the frequency band, as well as the synthesized A, C, and Z weighted sound pressure levels

6. Main measurement indicators: instantaneous sound pressure level in frequency band (L)_fmi）Frequency band 1-second equivalent sound level (L)_fmeq,1s）Frequency band equivalent continuous sound level (L)_fmeq,T）Weighted sound level within 1 second (L)_xyp）Instantaneous weighted sound level (L_xyi）1 second equivalent weighted sound level (L)_xeq,1s）Equivalent continuous weighted sound level (L)_xeq,T）Sound exposure level (L)_AE）Sound exposure (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)

7. Recording function: It can record the changes of 1/3 octave frequency spectrum over time at intervals of 31 ms, 0.1 s, 0.5 s, and 1 s

8. Data storage: It can store the 1-second integral value, integral value, and total value analysis integral measurement results of 1/3 octave band analysis, up to 12288 sets, and can also transfer the measurement results to a USB flash drive

Noise FFT analysis software (S6291-00404)

1. Main function: Real time FFT spectrum analysis of noise

2. Number of spectral lines: 512 lines, with 200 visible spectral lines

3、 采样频率： 48 kHz、24 kHz、12 kHz、6 kHz、3 kHz、1.5 kHz

4. Analysis frequency upper limit: 18.75 kHz, 9375 Hz, 4687 Hz, 2344 Hz, 1172 Hz, 586 Hz

5. Bandwidth: 93.75 Hz, 46.875 Hz, 23.438 Hz, 11.74 Hz, 5.8594 Hz, 2.9297 Hz

6. Overlap rate: 0%, 50%, 75%, 87.5%, 93.75%, 97%

7. Average method: exponential average F (time constant 125 ms) and S (time constant 1 s), and linear average.

8. 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; Weighted sound level within 1 second (L_xyp）Instantaneous weighted sound level (L_xyi）1 second equivalent weighted sound level (L)_xeq,1s）Equivalent continuous weighted sound level (L)_xeq,T）Sound exposure level (L)_AE）Sound exposure (E), peak C-level (C)_peak）Measurement of Time of Experience (Tm)

9. Data storage: It can store the F-time weighted instantaneous value, S-time weighted instantaneous value, 1-second integral value, and integral value of FFT analysis; The instantaneous values and integral measurement results of the total value analysis can be obtained in 12288 sets, and the measurement results can also be saved to a USB flash drive

Optional Configuration List(Can be provided according to user ordering requirements)