Etymotic ER•200DW8 Personal Noise Dosimeter with Data Logging - Manual (Page 14)

14
Interpreting Results
QuickCheck Mode
(Based on NIOSH Criteria)
Solid LED is
Est. Dose per
hour
Est. Dose per
8 hours
No LED lit < 12.5% <100%
green 12.5% 12.5 - 24% 100-192%
green 25% 25 - 49% 200 - 392%
yellow 50% 50 - 99% 400 – 792%
red 100% 100 - 199% 800 – 1592%
red 2x 200 - 399% 1600 -3192%
red 4x 400 - 799% 3200 – 6392%
>8x alternating
flash red/green
>800% >6400%