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Contact:
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Tel: +86-10-87709858
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Fax: +86-10-87709228 |
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E-mail:
info@farAsia.com.cn |
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Add:
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1401, No. 12 Bldg,
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Panjiayuan Nanli,
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Chaoyang, Beijing,
100021, China
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AZ-8921/8922
Sound Level Meter
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DIGITAL DISPLAY WITH ANALOG GRAPH!
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BACKGROUND NOISE ABSORBER ! MAX / MIN RECORD, MAX HOLD !
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RS232 INTERFACE !
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MEETS IEC 651, TYPE 2 CLASS !
Range:
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Meets IEC 651;ANSI S1.4, type2 standard.
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Quasi-Analog bar indicator:1dB display steps, 50dB display range, updated
every 50ms.
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Measurement level range features 6 ranges.
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Background noise absorber mode filters ambient sounds.
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Fast( 125 msec.) or Slow( 1 sec.) respone 3 times.
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Record Max / Min. & Maximum Hold function.
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A / C Weighting selectionable.
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Microphone : 6mm(Dia.)electric condenser type.
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Backlight for use in dark areas (Model 8922).
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Low battery indicator.
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Optional RS232 software (Disk & PC cable).
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Serial formt: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
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Monitor the sound levels from traffic noise, alarm systems and workplace
machinery,
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Multi-Freguency calibration to ensure quality stable
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Auto range :30-130dB. |
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Big LCD :42x64mm. |
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Measurement level range :6
ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB,
80-130dB. |
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Accuracy
:±1.5dB (
under reference condition ) |
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Digital display :3-1/2
dight LCD, 0.1dB resolution updated0.5seconds. |
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Analog output :AC:0.707vrms(
at full scale )/DC:10mV/ dB |
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Measurement frequency range
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31.5Hz-8KHz |
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Measurement level A weighting : |
30dB~130dB. |
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Measurement level C weighting : |
35dB~130dB. |
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Operation temperature : |
0~50℃,10~90%RH |
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Storage temperature : |
-20~60℃ |
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Meter includes hard ABS case, battery, manual. |
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Battery life : |
20 hours typical (9V) |
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Dimensions (meter WxHxT) : |
80 x 256 x 38mm |
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