ATP AMT-911A MINI SOUND LEVEL METER WITH TEMPERATURE
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 features the environmental temperature on its hi-contrast colour LCD display as well as 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)
- Lmin (LAFMin LASmin)
General Features
- 30mm Colour LCD display with function indicators
- Display updates every 300ms
- Backlight for dark environments
- Data hold
- Max hold – displays highest measured value
- Min hold – displays lowest measured value
- Low battery indicator
- Auto power off after 15 minutes of no activity (Can be user disabled)
- Supplied with wind muffler and battery
- Includes Temperature Scale
Specifications
- Measurement Range: 35dB to 135dB
- Dynamic range 50dB
- Frequency range 31.5Hz - 8KHz
- Accuracy ±2.0dB
- Frequency weighting A
- frequency weighting
- Time weighting FAST: 125ms / SLOW: 1s
- Microphone 1/2 inch electrets condenser microphone
- High/low reading indication
- Temperature range > 100dB, LCD displays “Hi” < 100dB, LCD displays “LO” -20°C to 70°C / -4°F to 158°F
- Temperature accuracy ±1°C / 2.7°F
- Resolution 0.1
- Data update 300ms
- Battery life at least 60 hours
- Enable/Disable Auto power off: The meter shuts off automatically after 15 minutes of inactivity Auto power off mode can be disabled
- Battery 3 x 1.5V “AAA” batteries
- Operating conditions -20°C to 60°C /-4°F to 140°F,10%RH to 90 RH%
- Storage conditions -20°C to 60°C /-4°F to 140°F,10%RH to 75 RH%
- Dimensions 144 x 56 x 30.5mm
- Weight 73g