ATP ET-933 Manual or Auto Range Sound Level Meter
 
ATP ET-933 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 ½" electret condenser microphone and is lightweight and easy to use.
Features:
- Over/under range indicator
 
- 35 mm LCD display with function indicators
 
- LCD display backlight
 
- Maximum/Minimum hold displays the highest/lowest measured value
 
- Low battery indicator
 
- Auto power off after 15 minutes of no activity
 
- Foam wind muffler for outside use
 
- Data hold function freezes displayed value
 
Specifications:
- Battery Type: Alkaline
 
- Measurement Range: 30 to 80 dB, 50 to 100 dB, 80 to 130 dB, 30 to 130 dB
 
- Resolution: 0.1 dB
 
- Measurement Parameters: lp, lmax, lmin
 
- Accuracy: ±1.4 dB
 
- Frequency Range: 31.5 Hz to 8 KHz
 
- Frequency Weightings: A or C
 
- Time Weightings: Fast or Slow
 
- Width: 62 mm
 
- Depth: 32 mm
 
- Height: 158 mm
 
- Weight: 0.178 kg
 
Includes
- 9 volt Battery
 
- Wind Muffle
 
- Soft Carry Case