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1 Introduction
Models and options
Sound Examiner SE-400 Series
Introduction
The 3M
TM
Sound Examiner SE-400 Series are sound level meters used to measure noise over time with robust
logging capabilities, selective measurement values, and with a variety of end-user applications including
occupational noise measurements and assessment of environmental noise levels.
Models and options
There are five models offered in the Sound Examiner Series including intrinsically safe (IS) and non-intrinsically safe
models. The differences between models are accounted for by three primary characteristics: intrinsic safety,
accuracy of measurement, and remote microphone measurement capability. The table below summarizes the
differences between the models.
Table 1-1: Sound Examiner SE-400 IS and non-IS models explained
Sound Examiner SE-400 Series overview
Display and keypad
The keypad is used to run and stop your sessions, view your measurement values, select specific set up
parameters, and power on and off the sound level meter.
Sound Examiner
Models/Series
Intrinsically safe
Class/Type 1
Class/Type 2
Remote capability with removable
preamp
External outputs: AC/DC
Serial printing
(SoundPatrol add-on option)
USB connectivity
Removable Preamp
SE-402 IS
*
*
*
SE-401 IS
*
*
*
SE-401 Non-IS
*
*
*
*
*
SE-402 Non-IS
*
*
*
*
SE-402R Non-IS
*
*
*
*
*
*
CHAPTER
1