Casella CEL CEL-281 - Manual (Page 144)

I Impulse Time Weighting
(35 ms rise time,
1.5 s decay) 6, 33
Installation/Removal of
Keypad 63
Interface
Description 58
Interface Cable
(Centronics Printer)
C6231 16, 115
Description 109
ISO 1999: 1990 Noise
Exposure Standard 13, 85
Keypad CEL-6012 1, 13, 15-16, 27,
36, 58, 65, 72,
78, 82, 115-116
Description 36
Installation/Removal 63
L 10
Statistical Percentile 23
L 50
Statistical Percentile 23
L 90
Statistical Percentile 23
L Aeq Equivalent
Continuous Sound
Level
Explanation 21
L AVG
Symbol Displayed 42
L AVG display legend
(Time Averaged
Level) 32
L EP,d Daily Sound
Exposure Level
Explanation 21
L eq Equivalent Noise
Reading Level
- Brief Details 7
Reading Level
in Detail 101
Level
Operational Area 29
L MAX Maximum Noise
Reading Level
- Brief Details 7
Reading Level
in Detail 101
Locking Screw 1-4, 62-64
Logging
Use of Manual
Start & Stop
- Brief Details 6
LOW BAT display legend
(Less than 4.2 V) 33, 60
MAX display legend
(Maximum Level) 32
Microphone 4, 15, 67
1/4" Electret 30, 115
Replacement
Procedure 116
Microphone Coupler
CEL-6050 4, 67, 115, 118
Noise Dose
Explanation 21
Measurement 90
Parameters Stored 58
Noise Level Key
Functions 43
Use in Noise
Measurement 88
ON display legend
(Instrument ON) 32, 62
ON/OFF Switch 62-63
Operation as Sound
Level Meter 7
Operational Areas
Description 27
OSHA 1910.95
Occupational Noise
Exposure 15
Reference Page Reference Page
CEL-281 Operator's Handbook - Page 135
Index