Details

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TM-104  Sound Level Meter

 
According to standard

• IEC 61672-1 class 2 
• IEC651 Type2 
• ANSI1.4 Type2

 

Application

This sound level meter is a digital noise meter auto-shifting function that can be applied to the measurements for both environmental noise and mechanical noise.

 

Features

• 4 digital LCD.
• Frequency weighting: dBA, dBC
• Time weighting: FAST, SLOW
• Data hold.
• Autoranging.
• Auto power off(default 15 min)and disable auto power off.
• Maximum and Minimum hold
• Overloading “OVER” or “UNDER”.
• Low battery indication

 

Specifications

Environmental conditions at 23°C ± 5°C

Sample rate	1 second
According to standard	IEC 61672-1 class 2   IEC651 Type2  ANSI S1.4 Type2
Microphone	½inch Electret condenser microphone
Dynamic Range	50 dB
Measuring range	35 ~ 130 dBA
	40 ~ 130 dBC
Frequency response	31.5 Hz ~ 8 KHz
Resolution	0.1 dB
Time weighting	FAST 125 ms ; SLOW 1s
Frequency weighting	A / C
Accuracy	±1.8 dB (reference SPL 94 dB @1KHZ)