مشخصات فني


صدا سنج a , c

رنج 30db to 130db

ST-85A/85C Mini Sound Level Meter

85A/85C Mini Sound Level Meter have a wide dynamic range from 35 to 130dB. They have different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, they also supply Fast and Slow time constant setting. 
 

Specifications:

Function

Range

Accuracy

85A

85C

Sound Level

35-130 dB

±3.0 dB

(ref94dB@1KHz)

﹡

﹡

Frequency

31.5-8KHz

﹡

﹡

Frequency Weighting

 

A

C

 

Accessories:

9V battery, clamshell.