
skcinc.com
Form 37177 Rev 200910
Page 21
Exposure
The Exposure menu allows you to alter how SoundCHEK Essential records Exposure data.
Scroll the available options using the directional
Arrow
keys and press the
Left
and
Right
Arrow
keys to
toggle the highlighted selection.
UK/EU:
Select this option for requirements meeting UK or EU legislation. Exchange Rate, Criterion and
Threshold are fixed as below:
•
Exchange Rate = 3
•
Criterion = 85
•
Threshold = Off
When UK/EU is selected, the Exposure measurement screen displays and records the following
parameters:
L
EPd
, L
AVG
, Exposure
(Pa
2
h)
% D
OSE
, % D
OSE/HR
, P
OINTS,
P
OINTS
/H
r.
OSHA (PEL):
Select this option for requirements meeting OSHA (PEL) legislation. Exchange Rate,
Criterion and Threshold are fixed as below:
•
Exchange Rate = 5
•
Criterion = 90
•
Threshold = 80
When OSHA (PEL) is selected, the Exposure measurement screen displays and records the following
parameters: LEPd, LAVG, Exposure (Pa
2
h) % DOSE, % DOSE/HR, TWA.
Custom
: Select this option to manually set legislation requirements:
•
Exchange Rate = 3, 4, 5 or 6
•
Criterion = 70, 75, 80, 85, 90 or 95
•
Threshold = Off, 70, 75, 80, 85, 90 or 95
When Custom is selected the Exposure measurement screen displays and records the following
parameters: LEPd, LAVG, Exposure (Pa
2
h) % DOSE, % DOSE/HR, TWA.
Note: TWA is calculated using the instrument Exposure Time, to achieve TWA(8), ensure the Exposure
Time is 8 hours. TWA is not available for EU or UK exposure settings.