Etymotic ER•200DW8 Personal Noise Dosimeter with Data Logging - Manual (Page 12)

12
Interpreting Results
Normal Mode
(Based on NIOSH Criteria)
LED Dose% Risk Factor
Hearing
Protection
Needed
green 12.5%
(slow flash)
< 12.5%
No risk of hearing
loss
No
green 12.5%
(regular flash)
12.5 - 24%
No risk of hearing
loss
No
green 25% 25 - 49%
No risk of hearing
loss
No
yellow 50% 50 - 99%
1/2 or more of
daily dose
Yes
(conservatively)
red 100% 100 - 199%
Exposure limit
exceeded
Yes
red 2x 200 - 399%
> 2x allowable
daily dose
Yes
red 4x 400 - 799%
> 4x allowable
daily dose
Yes
red 8, 16, 32x
(regular flash)
8x
> 8x allowable
daily dose
Yes
red 8, 16, 32x
(double flash)
16x
> 16x allowable
daily dose
Yes
red 8, 16, 32x
(fast flash)
32x
> 32x allowable
daily dose
Yes