12
According to OSHA's noise standard, specifically, 29 CFR 1910.95, the
dosimeter must be set up to record noise exposure using the
following criteria:
• Exchange rate: 5dB
• Frequency weighting: A
• Response: Slow
• Criterion level: 90dBA (Hearing Conservation) or 90dBA (Administrative
and Engineering Controls).
• Threshold: 80dBA (Hearing Conservation) or 90dBA (Administrative and
Engineering Controls).
The Dosimeter allows for testing to begin immediately which is referred to
as a Test Duration (DUR) or with programmable beginning and end times
(BEG & END). Both modes are described in the following 2 sections.
Noise Exposure (%DOSE) - Test Duration Mode
1. Press the
FUNC.
button until you see SPL on the LCD.
2. Press and hold the button to select the desired Response Time.
3. Set the Criterion Level (Lc), Exchange Rate (ER), and Threshold Level
(Lt) (see
Setup Mode
section for details).
Note:
At start up, the meter's default settings are Lc
90, Lt
70,
ER
3.
4. Press the
FUNC.
button to enter the %DOSE mode. By default, the
meter will be set to test duration (DUR).
5. Press and hold the button to set the duration time required
for testing.
6. Use the and buttons to select between the following
duration times:
24Hr
12Hr
10Hr
8Hr
4Hr
2Hr
1Hr
30 minutes
15 minutes
10 minutes
5
minutes
1
minute
7. Press the
ENTER
button to confirm selection and return to the
main screen.
Note:
Make sure you have enough memory to complete your noise survey
(see
Clear Stored Data in Setup Mode
section for details).
8. The meter can be placed in a pant or shirt pocket.
continued...
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