AWA6228+ Professional Digital Sound Level Meter Designed to IEC 61672 (Class 1) and ANSI S1.4 (Type Standards Range 20-142

Fulfils Standards

IEC 61672-2013 Class 1

IEC 61260-2014 Class 1

ANSI S1.11-2004

IEC 60651:2001 Type 1

IEC 60804: 2000 Type 1

IEC61252:2002 

Microphone+preamplifier

1/2” prepolarized condenser microphone+ Preamplifier

(Sensitivity Level: -28dB)

Preamplifier

AWA14601 removable preamplifier type 1

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: (30~142)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

Measurement Parameters

L_xyp, L_xyi, L_xeq,1s, L_xeq,T, L_AE, E, C_peak, L_AFmax, L_Afmin, L_AfeqT, L_AseqT, L_AieqT.

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

A/D Bits:

24 bits

Sampling Frequency

48 kHz

Calibration

Using Sound Calibrator Class 1 : IEC60942:2003 / IEC 60942:2017

model AWA6221A

Correction Function

Press 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 memory card is optional)

• Ø  3328 groups of integrating measuring results only.


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


• Ø  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

Type & Name

Main function

AWA6228⁺ host

Host hardware part (Don’t include transducer and software), box, transfer software.

Model AWA14601 Preamplifier type 1

Pre-amplify, gain is 0 dB.

Model AWA14425 microphone type 1

1/2", Prepolarized condenser microphone, 10 Hz ~ 20 kHz,  40 mV/Pa.

Windscreen S 80

Reduce the affection of wind

AH40 Mini-printer

Print measuring result, include connecting line, print paper

extension cable with 5, 10 or 20 m

For  AWA14601 and AWA6228⁺ host

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 1/3OCT analysis software

Noise real-time 1/3OCT 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

32G SD memory card& recording

GPS positioning modular

Tripod (1.46m Height)