AWA6291 Vibration Level Meter

No

Model

AWA6291

1

Name

Real Time Signal Analyzer

2

Fulfils Standards

IEC 61672 class 1 and IEC 61260 class 1

3

Microphone

1/2" Prepolarized Condenser Mic. Model AWA14423 (sensitivity: 50 mV/Pa)

4

Preamplifier

AWA14601

5

Frequency Range

10 Hz ~ 20 kHz

6

Range Gain

-10 dB, 0 dB, 10 dB, 20 dB, 30 dB, 40 dB.

Range Error: ≤0.1 dB.

7

Self-generated Noise

<18 dB(A), 23 dB(C), 28 dB(Z)

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Meas. upper Range

140 dB

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Peak C Sound Level Measuring Range

50~143 dB

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Frequency Weighting.

Parallel (simultaneous) A, C, Z. Realized by digital filtering

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Time Weighting

Parallel F, S, I, Peak C+, Peak C-

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A/D Bits

24 bits

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Level Linearity Range

>90 dB

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Sampling Frequency

48 kHz

15

Display

240×160 graphic LCD, with EL back-lit

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Display Refresh

1 Hz for value; 10 Hz for graph

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Main Parameters of Integrating Measurement

Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak+, Cpeak-, LAFmax, LAFmin, LAFeqT, LASeqT, LAIeqT

Note: X is A, C, Z and Y is F, S, I

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Main Parameters of Airport Noise Meas

LEPN,Td,Lmax

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Display Resolution

0.1 dB

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Real-time Analysis Speed

Approx. 47 times/s (It can simultaneously complete all center frequencies and A, C, Z weighting.)

21

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

22

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

23

Real-time 1/1 OCT spectrum analysis

1/1 OCT spectrum analysis software for noise (S6291 -00202)

Filters Center Frequency: 16 Hz~16 kHz

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Real-time 1/1 OCT spectrum analysis

1/3 OCT spectrum analysis software for noise (S6291 -00303)

Filters Center Frequency: 10 Hz~20 kHz

25

FFT analysis function

FFT analysis software for noise (S6291 -00404)

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Reverberation time measurement function

Reverberation time measurement software

(S6291-00508)

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: 0.20s 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

27

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

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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

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Print

Can print analytical results in the mini-print, can also print the contents showed on LCD

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Data Recall

Recalled any data

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Intelligent Delete

Burst event may be deleted scientifically

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Internal Clock

Error less than 1 min/month

33

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

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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

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Dimensions

310(H) × 90(W) × 38(D),mm

36

Weight

0.5 kg (include batteries)

37

EMC

Type X

38

Working Temperature

-10 ~ 50°c

39

Relative Humidity

25 ~ 90%

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Atmospheric Pressure

65 kPa ~ 108 kPa