ATP AMT-911A Sound Level Meter with Temperature
Product Description
The AMT-911A mini digital sound level meter has a wide dynamic range and gives virtually instant readings. It is ideal for quick and easy environmental sound level checks. It features an accuracy of ±2dB, a fixed 'A' frequency rating, and the choice of fast or slow time weightings. It also displays the environmental temperature on its Hi-Contrast Colour LCD display, alongside min/max and data hold functions.
Sound Features

 
Single Measurement Range: 30 to 130dB
 
Hi-Range >100dB, Lo-Range <100dB
 
0.1dB Resolution
 
'A' Frequency Weighting
 
Fast 125ms, or Slow 1s time response weighting
 
Precision ½ inch electret condenser microphone
 
Lmax (LAFmax, LASmax) and Lmin (LAFMin, LASmin)

General Specifications

 
30mm Colour LCD display with function indicators
 
Display updates every 300ms
 
Backlight for dark environments
 
Data hold, Max hold, and Min hold functions
 
Low battery indicator
 
Auto power off after 15 minutes (user-disableable)

Technical Specifications

 

 

 
Feature
 
Sound
 
Temperature
 
 
 

 

 
Range
 
35 to 135dB
 
-20° to 70°C
 
 

 
Resolution
 
0.1dB
 
0.1°C
 
 

 
Accuracy
 
±2dB (94dB @ 1 Khz)
 
±1.5°C
 
 

 
Frequency Range
 
31.5Hz - 8Khz
 
-
 
 

 
Frequency Weighting
 
A
 
-
 
 

 
Time Weighting
 
Fast/Slow
 
-
 
 

 
Power
 
3 x 1.5V AAA Alkaline Batteries (LR-3)
 
 

 
Dimensions
 
144 x 56 x 31mm
 
 

 
Weight
 
73g