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 features the environmental temperature on its hi-contrast colour LCD display as well as min/max and data hold functions.
- Single measurement range: 35 to 135dB
- Hi-range >100dB, Lo-Range <100dB
- 0.1dB resolution
- ‘A’ frequency weighting
- Frequency Range 31.5hz to 8khz
- Fast 125ms, or slow 1s time response weighting
- Precision ½ inch electret condenser microphone
- Lmax (LAFmax, LASmax)
- Lmin (LAFMin LASmin)
- 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
Technical Specification
|
|
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 Weightings | A | |
| Time Weightings | Fast/Slow | |
| Power | 3 x 1.5V AAA Alkaline Batteries (LR-3) | |
| Dimensions | 144 x 56 x 31mm | |
| Weight | 73g | |
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