This user guide covers the operation, specifications, calibration, and PC interface capabilities of the Extech 407355 Personal Noise Dosimeter.
The Extech 407355 is a personal noise dosimeter designed to test noise exposure in accordance with OSHA, MSHA, DOD, ACGIH, and ISO standards. It features a multi-function LCD display capable of measuring sound levels from 70 to 140 dBA and recording accumulated noise exposure as %DOSE.
| Measurement ranges (SPL) | 70 to 140dBA |
|---|---|
| Datalogging capacity | 8800 sets |
| Accuracy | ±1.5dB |
| Operating Temperature | 32 to 122 oF (0 to 50oC) |
| Battery power | Four (4) 1.5V 'AAA' batteries |
The device is designed to test noise exposure in accordance with OSHA, MSHA, DOD, ACGIH, and ISO standards.
Yes, the meter can also be used in SLM (sound level meter) mode where sound pressure levels are monitored from 70 to 140dB.
The approximate battery life is 40 hours.