مشخصات فني


 صدا سنج ST-815

محدوده اندازه گیری :30db to 130 db

دقت اندازه گیری 2 to 61672

اندازه گیری مدهای slow/fast

دارای باراگراف و ذخیره اطلاعات با تایمر

به همراه کیف حمل و دفترچه راهنما و باطری
 

ST- 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 
 
  Features:

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.Readings memories
 

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

Reading display update

2 times/sec

Bargraph display update

2 times/sec

Accessories:

9V battery, Carrying case and Gift box.