■  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

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” prepolarized 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 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 start measuring button
Back Erase Function	Elimination of undesired noise; example barking dogs, cars, doors
Display	240×320 color screen, adjustable brightness, backlight can be closed
Display Resolution	0.1 dB
Low battery indication	Symbol  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 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
	5 V external power supply
Battery Life	Longest time of 30 hours continuously with 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







Can choose to install list 




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