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DT- 815 Sound Level Meter
815 Sound Level Meter is designed
for noise project, quality control, illness prevention & cure and all kinds
of environment sounds measurements. It is applied to the sounds measurement at
factory, school, office, traffic access and household, etc.
This unit confirms to the IEC61672-1
class 2 for Sound Level Meter
제품특징
1.This unit confirms to the
IEC61672-1 class 2 for Sound Level Meters
2.MAX & MIN
measurements
3.Over range
display
4.Under range
display
5.A & C
Weighting
6.FAST & SLOW
response
7.Digit LCD display with a
resolution of 0.1dB , bargraph & white backlight
8.
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 |
|
Reading display update |
2
times/sec |
|
Bargraph display update |
2
times/sec |
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