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Fulfils Standards
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IEC 61672-2013 Class 1
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IEC 61260-2014 Class 1
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ANSI S1.11: 2004
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IEC 60651:2001 Type 1
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IEC 60804: 2000 Type 1
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IEC61252:2002
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Microphone+preamplifier
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1/2” prepolarized condenser microphone+ Preamplifier
(Sensitivity Level: -28dB)
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Preamplifier
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AWA14601 removable preamplifier type 1
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Frequency Range
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10 Hz ~ 20 kHz ± 1 dB (not including microphone)
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Total Measurement Range
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Low range: (20~132)dBA, (25-132)dBC, (30-132)dBZ
High range: (30~142)dBA, (35-142)dBC, (40-142)dBZ
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Self-generated Noise
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<12 dB(A), 17 dB(C), 22 dB(Z)
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Frequency Weighting.
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Parallel (simultaneous) A, C, Z, B, D and user1&2-defined weighting
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Time Weighting
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Parallel (simultaneous) F, S, I, Peak
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Measurement Parameters
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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
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A/D Bits:
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24 bits
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Sampling Frequency
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48 kHz
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Calibration
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Using Sound Calibrator Class 1 : IEC60942:2003 / IEC 60942:2017
model AWA6221A
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Correction Function
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Press field correction in order to comply with standards ANSI S1.4
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Delay Time
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The meter can delay 0~99s after pressing start measuring button
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Back Erase Function
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Elimination of undesired noise; example barking dogs, cars, doors
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Display
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240×320 color screen, adjustable brightness, backlight can be closed
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Display Resolution
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0.1 dB
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Low battery indication
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Symbol indicate low battery
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Data Storage
(32 Mb FLASH RAM.
SD memory card is optional)
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- 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.)
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Print
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Mini-printer
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Internal Clock
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Error less than 1 min/month
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Output Interface
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AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5 mm stereo plug
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DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug
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RS232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing
Transmission speed: 4800, 9600,115200 bps
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USB Interface: available and no need device drive.
Allow USB to be controlled via communication commands
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