ADM-933 Sound Level Meter
A precision sound level meter ideal for measuring noise levels in different environments and industries. Manufactured to IEC 60651 Type 2, this sound level meter has a precision electret condenser microphone and is lightweight and easy to use.
Key Features:

 
3 Manual Ranges: 30 to 80dB, 50 to 100dB, 80 to 130dB
 
0.1dB resolution
 
Selectable 'A' or 'C' frequency weighting
 
Fast (125ms) or Slow (1s) response filters
 
35mm LCD display with backlight and function indicators
 
Data Hold, Max Hold, and Min Hold functions
 
Over/Under range indicator
 
Auto power-off after 15 minutes of inactivity
 
Low battery indication
 
Foam wind muffler for outside use
 
2 Year Warranty
 
Supplied with soft carry case, wind muffler and battery

Technical Specification

 

 

 
Range
 
30 to 130dB over 3 ranges or Auto Range
 
 

 
Resolution
 
0.1dB
 
 

 
Accuracy
 
±1.4dB (94dB @ 1 KHz)
 
 

 
Frequency Range
 
31.5Hz to 8 KHz
 
 

 
Operation
 
-20°C to 60°C, below 80%RH