AWA6228+ Multifunction Sound Level Meter

Model AWA6228+ Sound level meter is a new generation noise measurement instrument developed with digital signal processing technology, which is up-to-date product of the AWA6228 series.

Model	AWA6228+ Multifunction Sound Level Meter
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
Microphone + Preamplifier	1/2” pre-polarized condenser microphone+ Preamplifier (Sensitivity Level: -28dB)
Correction Function	Diffusion field correction in order to comply with standards ANSI S1.4
Preamplifier	AWA14601 removable preamplifier
Frequency Range	10 Hz ~ 20 kHz ± 1 dB (not including the microphone)
Total Measurement Range	Low range: (20～132)dBA, (25-132)dBC, (30-132)dBZ High range: (16～142)dBA, (35-142)dBC, (40-142)dBZ
Self-generated Noise	<12 dB(A), 17 dB(C), 22 dB(Z)
Frequency Weighting	Parallel (simultaneous) A, C, Z, B, D and user1&2-defined weighting
Time Weighting	Parallel (simultaneous) F, S, I, Peak
A/D Bits	24 bits
Sampling Frequency	48 kHz
Calibration	Using Sound Calibrator Class 1 model AWA6221A
Correction Function	Diffusion field correction in order to comply with standards ANSI S1.4
Delay Time	The meter can delay 0~99s after pressing the start measuring button
Back Erase Function	Elimination of undesired noise; for example barking dogs, cars, doors
Display	240×320 color screen, adjustable brightness, the backlight can be closed
Display Resolution	0.1 dB
Low battery indication	Symbols indicate low battery
Data Storage (32 Mb FLASH RAM. SD card is optional)	◆ 3328 groups of integrating measuring results only.
	◆ 3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are the same.)
	◆ 2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.)
Print	Mini-printer
Internal Clock	Error less than 1 min/month
Output Interface	AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5 mm stereo plug
	DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug
	RS232 Interface: To computer for output some measurement results instantaneous values, also to mini-printer for printing Transmission speed: 4800, 9600,115200 bps
	USB Interface: available and no need device drive. Allow USB to be controlled via communication commands
Power Supply	4×LR6 alkaline battery or rechargeable batteries
Power Supply	5 V external power supply
Battery Life	The longest time of 30 hours continuously with a 4×LR6 alkaline battery
Dimensions	260 (H) x 80 (W) x 30 (D), mm.
Weight	0.35 kg. (include batteries)
EMC	Type X
Environment	Working Temperature: -10 ~ 50 °C, Storing Temperature: -20 ~ 70 °C, Relative Humidity: 25 ~ 90 %
Accessories	AC adaptor, USB cable, RS232 transmission cable, windscreen, hand strap, windscreen fall prevention rubber, carrying case, U-disk, user’s manual
Bluetooth Module	Wireless printing

■ Comprehensive noise measurements

■ Environment noise certification

■ Noise profile measurement of industrial noise

■ Peak C sound level measurements

■ Impulse noise measurements

■ Workplace noise assessments

■ Industry boundary assessments

Embedded Software Optional		Corresponding Functions
S6228+ -10100 Integral software		The noise integral measuring
S6228+ -10101 Statistics analytical software		The statistical analysis, 24 hours noise monitors automatically
S6228+ -10202 The OCT analysis software		Noise real-time OCT spectral analysis
S6228+ -10303 The 1/3 OCT analysis software		Noise real-time 1/3 OCT spectral analysis
S6228+ -10404 The FFT analysis software		Noise real-time FFT spectral analysis
S6228+ -00013 The Noise Dosimeter software		Noise dosimeter measuring
S6228+ -00509 The Data Logging software		Do data logging
S6228+ -00508 The Reverberation Time Measurement software		Reverberation Time Measurement
Other function
32G SD memory card & wave record	Bluetooth function		GPS positioning modular