Extech SL400 Personal Noise Dosimeter with USB Interface
- Measures frequency weighted noise exposure and peak (C, Z) sound level.
- Datalog's up to 999,999 readings when used as a sound level meter with sampling times between 1 second and 24 hours.
- Sound level mode: displays sound level, min/max, time-averaged sound level (Leq), peak, and sound exposure level (SEL).
- Adjustable Criterion Level, Exchange Rate and Threshold.