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Views on the Edge
Definitions of data log values and views
053-644, Rev E Page 21 eg4 & eg3
21
Views on the
Edge
Explanation
Memory storage symbol –
eg4: The eg4 model displays the total memory storage
remaining in hours and minutes. For example, if it displays the
memory symbol 181:50 this represents 181 hours and 50
minutes of memory storage remaining on the dosimeter.
eg3: The eg3 model displays the memory by indicating the
remaining number of studies it will store into memory. For
example, if the eg3 displays “50” this indicates you can store 50
studies on the dosimeter. (Note: the difference is because the
eg3 model does not data log.)
Calendar symbol– The calendar symbol and calendar field
displays the day-month-year
Battery power clock symbol – The battery power clock
symbol identifies the number of hours and minutes of battery
time remaining on the dosimeter.
Table 3-1: Dosimeter parameters and definitions (continued)
Edge Measurement descriptors/variants
The following is an explanation of the Edge descriptors and equivalents for Lmax, Lmin, & Lpk.
Descriptors
Variants
Lmax variants
Sound pressure level - is the basic measure of noise loudness, expressed
in decibels. (In DMS this is noted as “SPL”)
L
ASMX
Maximum sound level- is the highest sound level recorded during a
measurement interval with a particular response setting (Slow or Fast) and
weighting (A or C). LMax is the highest value that is included in LAvg or
dose calculations.
Under OSHA regulations, unprotected workers may not be exposed to
maximum sound levels greater than 115 dB, measured with a Slow
response rate.
L
CPK
Peak Level - is the highest instantaneous sound pressure level recorded
during a measurement interval. Unlike the maximum level, the peak is
detected independently of dosimeter settings for response rate or weighting.
Under OSHA regulations, unprotected workers may not be exposed to peak
sound levels greater than 140 dB.
L
ASMN
Minimum sound level - The lowest sampled sound level during the
measurement interval allowing for the unit’s Response Time setting (Fast or
Slow).
Table 3-2: Dosimeter measurement descriptors/variants