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CEL-63x Environmental & Occupational Noise Meter
2
Casella CEL
Contents
Contents ...................................................................................................................................... 2
1
Introduction ................................................................................................................... 5
1.1
Structure of this User Manual .......................................................................................... 5
Colour coding .................................................................................................................... 6
1.2
Safety ................................................................................................................................ 7
Features ........................................................................................................................ 9
3
Quick reference ........................................................................................................... 10
3.1
Powering the instrument ................................................................................................ 10
Battery supply ................................................................................................................. 10
How to fit new batteries ................................................................................................. 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
3.4
Calibrating the instrument .............................................................................................. 13
3.5
Making a measurement run ............................................................................................ 16
Measurement view .......................................................................................................... 16
Measurement controls ..................................................................................................... 18
Measurement data sets ................................................................................................... 21
4
Detailed description .................................................................................................... 24
4.1
Microphone and pre-amplifier ........................................................................................ 24
4.2
User controls ................................................................................................................... 24
Soft keys .......................................................................................................................... 24
Navigation keys ............................................................................................................... 25
Run/Stop key ................................................................................................................... 25
4.3
Screen groups ................................................................................................................. 25
Switch-on ......................................................................................................................... 26
Status .............................................................................................................................. 27