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

Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, LAFmax, LAfmin, LAfeqT, LAseqT, LAieqT.

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)

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 (Optional)

Can communicate with smart phone and realize wireless control sound level meter