Introduction – Casella CEL CEL-281 User Manual
Page 22
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Meal
Time (hours)
Level
Level
Time (hours)
Level
Time (hours)
Level
Machine noise at
SLM like CEL-231 or
variations in level is best
Machine noise with large
measured by integrating
L
eq
constant level is easily
periods on several
When worker spends
dosimeter like CEL-272
Time (hours)
periods on several
When worker spends
logging dosimeter
different machines use
CEL-254
to measure noise dose
measured with simple
SLM like CEL-269
different machines use
CEL-281 to store
complete record for
later evaluation of
noise problems
900161
Break
Meal
Break
Meal
Break
Meal
Break
The application of different types of sound measurement instrument
Page 14 - CEL-281 Operator's Handbook
Introduction_
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