Casella-cel CEL-63X Manuel d'utilisateur télécharger pdf (Page 54)

CEL-63x Environmental & Occupational Noise Meter

54 Casella CEL

period and produce an average level that assumes the highest level was

present for the entire 3 or 5 second period.

Statistical values

The statistical functions L

, L

and L

show the sound

pressure levels that are exceeded for 10 %, 50 %, 90 % and 95 %

of the measurement period respectively. For example, the

measurement L

is the level exceeded for 10 % of the

measurement time and L

is the level exceeded for 90 % of the

measurement time.

The CEL-63x instrument also provides a user-defined, variable statistical

measurement.

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User Manual 1
Contents 2
3 Casella CEL 3
4 Casella CEL 4
1 Introduction 5
Colour coding 6
1.2 Safety 7
8 Casella CEL 8
2 Features 9
3 Quick reference 10
Mains DC supply 11
USB supply 11
Battery condition indicator 11
3.2 Using the controls 12
Soft keys 12
Navigation keys 12
Run/Stop key 12
3.3 Set the time and date 13
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Measurement view 16
Fixed measurement view 17
Measurement controls 18
Key press 19
Fixed duration 19
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Measurement data sets 21
Profile recording 22
Periodic measurements 22
Synchronise time 23
4 Detailed description 24
4.3 Screen groups 25
Switch-on 26
Measurement stop screen 27
Octave and 1/3-Octaves 28
Overload 28
Calibration mode 29
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Measurement run screens 31
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Menu screens 33
User settings 34
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Data sets 37
Event setup 38
Level Events 38
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Audio Recording 40
Audio Notes 40
For Markers 40
For Events 41
Quality 41
Pre-trigger 41
Meter Mode 42
Memory results 43
View results 43
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Print Screens 45
Printer set-up 46
USB connect mode 47
4.4 Measurement views 48
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Measurement functions 50
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Statistical values 54
4.5 Connections 55
Power input port 55
Mini B USB port 55
AC and DC output port 56
5.1 General 57
5.2 SLM Mode 57
5.3 Online Mode 57
5.4 NNR Mode 57
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6 Specifications 59
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6.18 Microphones 62
6.19 Calibration 62
6.20 Power supply 62
6.21 Internal clock 62
6.22 Languages 62
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6.29 Available data sets 64
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C) Profile Results 66
6.30 Physical 67
7 Care and maintenance 68
8.1 Inspection and test 69
8.3 Repairs 70
8.4 User servicing 71
9 Glossary 72
Example 73
10 Additional information 75
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Examples 78
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A) To set Periods Only 83
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RS232 Data Format 87

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Casella-cel CEL-63X Manuel d'utilisateur Page 54

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