Svantek SV 102, SV 102A Short User Manual
Usage of SV 102 and SV 102A
Noise Dosimeters with
SV 25S Microphone
in Real Ear Technique (MIRE)
Short User Guide
Warsaw, March 2011
SV 25S Short User Guide
2
Please read the whole user guide before
assembling the SV 25S microphone kit
IT IS VERY IMPORTANT.
Table of Contents:
1. Introduction ........................................................................................ 3
2. Elements of the SV 25S set…….…………………………….………….4
3. Assembling of the SV 25S microphone .............................................. 5
4. Calibration of SV 25S microphone…. ................................................. 8
5. Using SV 25S microphone…. ............................................................. 9
SV 25S Short User Guide
3
1. Introduction.
Microphone In Real Ear (MIRE) is a technique for assessing the noise sources
placed in a short distance to a human ear.
SV 25S microphone measures
sound pressure level in the ear
canal by means of the probe which
is placed at the entry to the ear
canal. The length of the probe is
16mm to ensure the maximum
comfort and protect from contact
with the eardrum.
To prevent any damage of the
eardrum or skin and ensure the
hygienic comfort, the probe tube is
covered by disposable silica pipe.
SV 25S is dedicated to be used with SV 102 and SV 102A Noise Dosimeters.
For usage of SV 25S microphone the appropriate digital correction filter is required.
For this reason, the SV 25S cannot be used with any other SLM than SV 102 or
SV 102A.
Microphone must
be connected to the SV 102 (or SV 102A) instrument in the first
turn! After this step instrument can be switched on.
SV 102 instrument automatically detects type of microphones connected and
activates the appropriate compensation filters.
Because historically SV 25S microphone was used with different length probes
ensure that the appropriate probe length is selected in the instrument’s menu.
Depending on this setting the adequate compensation filter is activated!
In order to choose the appropriate compensation
filter, user has to select the PROBES length in
the menu SETUP\MIRE and press the <ENTER>.
Instrument detects SV 25S automatically
signalizing it in menu SETUP\MIRE as ON/OFF
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