CEM DT-855/855S Sound Level Meters

CEM DT-855/855S 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.



This unit confirms to the IEC61672-1 class 2 for Sound Level Meters * *
MAX & MIN measurements * *
Overrange & Underrange display * *
A & C Weighting * *
FAST & SLOW response * *
Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder * *
Datalogger function * *
Adjustable Alarm-Levels * *
Memory for 32700 readings *
2GB Micro SD memory card *
Bluetooth interface to smartphone/PC *


Standard 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





9V battery, gift box and carrying case.

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