3B SCIENTIFIC
®
PHYSICS
1
Microphone U11367
Instruction sheet
11/08 Hh
1. Safety instructions
•
Do not expose the microphone to sound levels
in excess of 110 dB!
2. Scope of delivery
1 Microphone box
1 Table microphone
1 Mini DIN connecting lead 8-pin, 60 cm length
3. Description
The microphone is suitable for measurements of
relative sound pressure, for examination of sound
waves and sound frequencies, e.g. those of voices
and musical instruments (fundamental tone and
overtones), for determination of sound velocity in
air, as well as for the examination of beats and the
Doppler effect.
It consists of a microphone box with amplifier and
an electret table microphone on a base, with de-
tachable gooseneck stand.
4. Technical data
Table microphone with 3.5 mm stereo jack plug
Cable length:
1.8 m
Impedance: 1.4
k
Ω
Frequency range:
30 Hz – 16 kHz
Type: Omni-directional
5. Operation
•
Connect the microphone to the microphone
box and connect the latter to one of the two
analog inputs A or B of the 3B NET
log
TM
unit via
the mini DIN lead
•
Select “Vdc” as the operating mode for the
selected input.
