Description
The AET-933 is a lightweight and user friendly sound level indicator offering 4 measurements ranges (3 manually selectable, 1 auto range). It offers selectable ‘A’ or ‘C’ frequency weightings and a choice of either fast or slow time weightings. It is designed to match the accuracies required of IEC 61672:2013 at ±1.4dB.
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- 4 measurement ranges
- 30 to 80dB
- 50 to 100dB
- 80 to 130dB
- 30 to 130dB (Auto range)
- Over/under range indicator
- 1dB resolution
- Selectable ‘A’ or ‘C’ frequency weightings
- Selectable fast (125ms) or slow (1s) time weightings
- Precision ½ inch electret condenser microphone
- Lmax (LAFmax, LASmax, LCFmax, LCSmax)
- Lmin (LAFmin, LASmin, LCFmin, LCSmin)
- 35mm LCD display with function indicators
- LCD display backlight
- 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
- Supplied with soft carry case, wind muffler, battery and 2 year warranty
- 4 measurement ranges
Technical Specification
| Range | 30 to 80dB, 50 to 100dB, 80 to 130dB, 30 to 130dB (auto range) |
| Resolution | 0.1dB |
| Accuracy | ±1.4dB (94dB @ 1 Khz) |
| Frequency Range | 31.5Hz - 8Khz |
| Frequency Weightings | 'A' or 'C' |
| Time Weightings | Fast or Slow |
| Power | 1 x 9V PP3 alkaline battery (LR-61) |
| Dimensions | 158 x 62 x 32mm |
| Weight | 178g |
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