AWA6228+ Multifunction Sound Level Meter

Applications:

1. Comprehensive noise measurements

2. Environment noise certification

3. Noise profile measurement of industrial noise

4. Peak C sound level measurements

5. Impulse noise measurements

6. Workplace noise assessments

7. Industry boundary assessments

Features:

1. A handhold noise measuring instrument

2. Multifunction and user- friendly sound level meter (integrating SLM, 1/1 OCT, 1/3 OCT analyzer, Noise dosimeter)

3. 240×320 color screen

4. Measurement range 20~142dB

5. Synchronously do statistical, real-time 1/1 OCT, 1/3 OCT, and noise dosimeter measure

6. Comply with IEC 61672 Class 1 and IEC61260 Class 1 and IEC 61252

7. 32G SD card function for precise audio recording, GPS positioning

Specifications

1. Fulfills Standards: IEC 61672 Class 1, IEC 61260 Class 1, IEC61252:2002, IEC 60651:2001 Type 1, IEC 60804: 2000 Type 1, ANSI S1.4: 1983 Type 1, ANSI S1.4A:1985 Type 1, ANSI S1.43:1997 Type 1, ANSI S1.25:1991

2. Microphone + Preamplifier: 1/2” prepolarized condenser microphone+ Preamplifier (Sensitivity Level: -28dB)

3. Correction Function: Diffusion field correction in order to comply with standards ANSI S1.4

4. Preamplifier: AWA14601 removable preamplifier

5. Frequency Range: 10 Hz ~ 20 kHz ± 1 dB (not including microphone)

6. Total Measurement Range:

1) Low range: (20~132)dBA, (25~132)dBC, (30~132)dBZ

2) High range: (16~142)dBA, (35~142)dBC, (40~142)dBZ

7.Self-generated Noise: <12 dB(A), 17 dB(C), 22 dB(Z)

8. Frequency Weighting: Parallel (simultaneous) A, C, Z, B, D and user 1&2-defined weighting

9. Time Weighting: Parallel (simultaneous) F, S, I, Peak

10. A/D Bits: 24 bits

11. Sampling Frequency: 48kHz

12. Calibration: Using Sound Calibrator Class 1 model AWA6221A

13. Correction Function: Diffusion field correction in order to comply with standards ANSI S1.4

14. Delay Time: The meter can delay 0~99s after pressing start measuring button

15. Back Erase Function: Elimination of undesired noise; example barking dogs, cars, doors

16. Display: 240×320 color screen, adjustable brightness, backlight can be closed

17. Display Resolution: 0.1dB

18. Low battery indication: Symbol  indicate low battery

19. Data Storage: (32Mb FLASH RAM. SD card is optional)

1) 3328 groups of integrating measuring results only.

2) 3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are same.)

3) 2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.)

20. Print: Mini-printer

21. Internal Clock: Error less than 1 min/month

22. Output Interface:

1) AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5mm stereo plug

2) DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug

3) RS232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing

4) Transmission speed: 4800, 9600,115200 bps

23. USB Interface: available and no need device drive. Allow USB to be controlled via communication commands

24. Power Supply:

1) 4×LR6 alkaline battery or rechargeable batteries

2) 5V external power supply

25. Dimensions: 260 x 80 x 30mm.

26. Weight: 0.35kg. (include batteries)

27. EMC: Type X

28. Bluetooth Module: Wireless printing