AWA6228+Multifunction Sound Level Meter-High Precision

Multifunction Sound Level Meter AWA6228+

AWA6228+Multifunction Sound Level Meter

AWA6228+Multifunction Sound Level Meter is a new generation noise measuring instrument using digital signal processing technology.

It is an upgraded product of AWA6228 series. is a new generation noise measuring instrument using digital signal processing technology, and it is an upgraded product of AWA6228 series.

Three parallel (simultaneous) frequency weightings of A, CZ and three parallel (simultaneous) time weightings of F, S, I can simultaneously perform integral measurement, statistical analysis, 1/1 OCT analysis, and 1/3 OCT analysis , FFT analysis, personal sound exposure, measurement of reverberation time. The instrument has the advantages of large dynamic range and low power consumption.

Modular design Users can purchase corresponding modules according to their needs.

Technical Specifications

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
Power Supply	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

Features

■ A handhold noise measuring instrument

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

■ 240×320 color screen

■ Measurement range 20~142dB

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

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

■ CE Mark.

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

Product Uses

It can be widely used in environmental protection, occupational health, safety supervision, product inspection, scientific research and teaching, hall sound quality and other fields.

■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

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