Model AWA 6291 Real-time Signal Analyzer is a pocket real-time analyzer that can make analysis on the noise, vibration or other
Fulfils Standards | IEC 61672 class 1 |
Microphone | 1/2" Prepolarized Condenser Mic. Model AWA14423 (sensitivity : 50 mV/Pa) |
Preamplifier | AWA14601 |
Frequency Range | 10 Hz ~ 20kHz |
Range Gain | 10 dB, 0 dB, 10 dB, 20 dB, 30 dB, 40 dB.Range Error: ≤0.1 dB |
Self-generated Noise | <18 dB(A), 23 dB(C), 28 dB(Z) |
Meas. upper Range | 140 dB |
Peak C Sound Level Measuring Range | 50 ~ 143 dB |
Frequency Weighting. | Parallel (simultaneous) A, C, Z. Realized by digital filtering |
Time Weighting | Parallel F, S, I, C, Peak C |
A/D Bits | 24 bits |
Level Linearity Range | >90 dB |
Sampling Frequency | 48 kHz |
Display | 240×160 graphic LCD, with EL back lit |
Display Refresh | 1 Hz for value; 10 Hz for graph |
Main Parameters of Integrating Measurement | Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, Cpea,LAFmax, LAFmin, LAFeqT, LASeqT, LAIeqT. Note: X is A, C, Z and Y is F, S, I. |
Main Parameters of Airport Noise Meas | LEPN,Td,Lmax |
Display Resolution | 0.1.dB |
Real-time Analysis Speed | Approx. 47 times / s (It can simultaneously complete all center frequencies and A, C, Z weighting.) |
Statistical analysis Function | Statistical analysis software (S6291 00101) Statistical analysis Menu: LAFp, LAFmax, LAF5, LAF10, LAF50, LAF90, LAF95, LAFmin, SD, LAeq1 s, LAeq, T, LAE, LAFeqT. 24 hours monitors menu :And Ld, Ln, Ldn
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Real-time spectrum analysis | Fulfils standards:, IEC 61260 Class 1 Filter type: Digital band pass filter Measuring Parameters: Lfmi, Lfmeq,1s, Lfmeq,T, Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, Tm. Note: fm is center frequency; X is frequency weighting A, C, Z. Y is time weighting F, S, I |
Real-time 1/1 OCT spectrum analysis | 1/1 OCT spectrum analysis software for noise (S6291 00202) Filters Center. Frequency: 16 Hz~16 kHz. |
Real-time 1/1 OCT spectrum analysis | 1/3 OCT spectrum analysis software(S6291 00303) Filters Center Frequency 10 Hz~20 kHz |
FFT analysis function | FFT analysis software for noise (S6291 -00404) 1. Line Number: 200 lines on the display. 2. Sampling Frequency: 48 kHz, 24 kHz, 12 kHz,6 kHz, 3 kHz, 1.5 kHz. 3. Upper Limit of Analysis Frequency: 18.75 kHz, 9375 Hz, 4687 Hz, 2344 Hz, 1172 Hz, 586 Hz. 4. Bandwidth of each line: 93.75 Hz, 46.875 Hz, 23.438 Hz, 11.74 Hz, 5.8594 Hz, 2.9297Hz. 5. Average Method: index and linearity. 6. Measuring Parameters: Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak,Tm in every line |
Reverberation time measurement function | 1. Function:Reverberation time,EDT measurement by integrated impulse response method 2. Fulfils Standard:ISO 3382 3. Measuring Parameters:T20,T30,EDT 4. Measuring Range:0.20 s to 20.00 s 5. Wave record time:10 s or 20 s 6. Bandwidth of digital filters:1/1 OCT or 1/3 OCT 7. Center Frequency Ranges: 63 Hz ~ 16 kHz for Oct., 40 Hz ~ 16 kHz for 1/3 Oct. 8. Date store : Max 12288 groups reverberation time,also translate to U disc |
Data Storage | 64M bits Flash, instantaneous data, 1 second integral results and integral measuring result (maximum 12288 groups). Also can be stored in Flash disk or transferred to the Flash disk through USB interface |
Integral Time | Manual, 10 s, 1 min, 5 min, 10 min, 15 min, 20 min, 30 min, 1h, 4h, 8h, 24h or 1 min~59 min |
Can print analytical results in the mini-print, can also print the contents showed on LCD | |
Data Recall | Recalled any data |
Intelligent Delete | Burst event may be deleted scientifically |
Internal Clock | Error less than 1 min/month |
Output Interface | Stereo Connector AC Signal Output RS 232 interface to the mini-printer, or connected to PC USB Interface, which can transfer the measuring results to PC, or the Flash disk. |
Power Supply | 6 × LR6 alkaline battery or rechargeable batteries, which can work for over 12 hours continuously. 9 V external power supply is also acceptable |
Dimensions | 310(H) × 90(W) × 38(D),mm |
Weight | 0. 5 kg. (include batteries) |
EMC | Type X |
Working Temperature | 10 ~ 50 °C |
Relative Humidity | 25 ~ 90 % |
Atmospheric Pressure | 65 kPa ~ 108 kPa |
AWA6291 Real Time Signal Analyzer