8921 & 8922
AT A GLANCE
 DIGITAL
DISPLAY WITH ANALOG GRAPH! BACKGROUND
NOISE ABSORBER ! MAX
/ MIN RECORD, MAX HOLD ! RS232
INTERFACE ! MEETS
IEC 651, TYPE 2 CLASS !
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FEATURE
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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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| SPECIFICATION
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Auto
range : |
30-130dB. |
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Big
LCD : |
42x64mm. |
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Measurement
level range :
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6
ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB,
60-110dB, 70-120dB, 80-130dB. |
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Accuracy
: |
¡Ó1.5dB
( under reference condition ) |
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Digital
display
: |
3-1/2
dight LCD, 0.1dB resolution updated 0.5seconds.
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Analog
output
: |
AC:0.707vrms(
at full scale )
DC:10mV/ dB |
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Measurement
frequency range
: 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¢J,10~90%RH |
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Storage
temperature : |
-20~60¢J |
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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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©
Copyright 2000 AZ Instrument Corp. Last update on:08/01/2001.
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