مشخصات فني

 صوت سنج ST-8851 / 8852

صدا سنج دیجیتالی با رنج اندازه گیری : 30db to 130 db

دقت اندازه گیری 2 to 61672

تعویض اتوماتیک محدوده اندازه گیری و کالیبره آسان

با قابلیت اتصال به کامپیوتر و LCD با گراف

به همراه کیف حمل و کابل CD / USB  و آدابتور و

دفترچه راهنما و باطری و سه پایه
 

ST-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. 
 
 

Features:

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
 

Specifications:

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

 

Accessories :

Battery, screwdriver, audio plug, windscreen, software, USB cable, tripod and DC 9V power supply and gift box with carrying case.