DT-855/855S

Sound Level Meter
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.


Features

DT-855

DT-855S

This unit confirms to the IEC61672-1 class 2 for Sound Level Meters

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MAX & MIN measurements

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Overrange & Underrange display

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A & C Weighting

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FAST & SLOW response

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Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder

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Datalogger function

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Adjustable Alarm-Levels

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Memory for 32700 readings

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2GB Micro SD memory card

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Bluetooth interface to smartphone/PC

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Size (H x W x D): 248mm x 65mm x 45mm

Weight: 248g




Specifications

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








Accessories: 9V battery, gift box and carrying case.

DT-855/855S
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