AWA รุ่นAWA-6228+เครื่องวัดระดับเสียงแบบมัลติฟังก์ชั่นความแม่นยำสูง,Multifunction Sound Level Meter,Class1,Meas.range:20～142dB

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