
Hand-held Analyzer 2250 Light – User Manual164
Microphone Type 4950
4952 0°
4952 90°
4184-A 0°
4184-A 90°
EH-2152 0°
EH-2152 90°
Unknown
If microphone is a known type, then the rest of
the parameters of the transducer are set
automatically. Sound Field Correction and
Windscreen Correction are possible for known
microphone types only.
Microphone Types 4952 and 4184-A can be
used with 0° reference direction or 90°
reference direction.
For unknown microphone types, set the rest of
the parameters – no corrections can be made
for unknown types
Note 1: Type 4184-A is available for hardware
version 4 only
Note 2: You can specify up to 5 different
microphones in the transducer database.
For hardware versions 1 – 3 the number is
limited to 3.
Nominal Sensitivity Double Set automatically for known Microphone Type,
otherwise set the nominal sensitivity of the
microphone in mV/Pa
Polarization Voltage Yes
No
Set to No if microphone is prepolarized,
otherwise set to Yes for polarization voltage of
200 V. Set automatically for known
Microphone Type.
Note: This parameter is available for
hardware version 4 only.
Free-field Type Yes
No
Set to Yes for Free-field types, otherwise set
to No. Set automatically for known
Microphone Type
Capacitance Double Insert capacitance of microphone in pF. Set
automatically for known Microphone Type
Calibration Check CIC
Actuator
Microphone only: For microphone
Type 4184-A you can select to check the
calibration of the system using CIC or
Actuator – for all other microphone types
the setting is preset to CIC.
Table C.2 (Cont.) Microphone setup parameters
Parameter Values Comment
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