DT-8851/8852 Sound Level Meters
8851/8852 Sound Level Meters are
designed for noise project,quality control, illness prevention & cure and
all kinds of environmental sounds measurements. It is applied to the sounds
measurement at factory, school, office, traffic access and household
etc.
제품특징
1.This unit confirms to the
IEC61672-1 class 2 for Sound Level Meters
2.MAX & MIN
measurements
3.Overrange
display
4.Underrange
display
5.A & C
Weighting
6.FAST & SLOW
response
7.Analog AC/DC outputs for
connection to frequency analyzer or X-Y shaft recorder
8.Datalogger function
(8852)
9.Adjustable Alarm-Levels
(8852)
10.Memory for 32700
readings
제품사양
|
Standard applied |
IEC61672-1 Type 2,ANSI S1.4 Type2 |
|
Accuracy |
±1.4dB |
|
Frequency range |
31.5HZ ~ 8KHZ |
|
Dynamic range |
50dB |
|
Level ranges |
LO:30dB~80dB Med:50dB~100dB |
|
Hi:80dB~130dB Auto:30dB~130dB | |
|
Time
weighting |
FAST
( 125mS ), SLOW ( 1s ) |
|
Microphone |
1/2
inch electret condenser microphone |
|
Resolution |
0.1dB |
|
Display Update |
2
times/sec |
|
Analog output |
AC/DC outputs, AC=1Vrms,DC=10mV/dB |




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