BRUEL & KJAER 4230 - Specifications

5.
Frequency:
Sound pressure
level:
Accuracy:
Influence of static pressure:
Distortion:
Microphone types:
Power
Supply:
Battery check:
Specifications
1000Hz ±1.5%
94 dB
re 2x1Q-5 N/m2 (1 N/m2)
±0.25 dB at 250C
±0.35 dB between. 1 ooc and 4QOC
±0.50 dB between ooc and 5QOC
±0.05 dB per 100 mbar change in
pressure between
500 mbar and 1100 mbar
Less than 1%
1 in and 1/2 in
Built-in battery 1 x
9V (IEC 6 F 22,
NEDA 1604)
As long as the signal lasts for a few
seconds the change in SPL is less
than 0.05 dB.
Dimensions
including leather case: Length 110 mm
Weight:
Temperature range:
Equivalent volume:
Accessories:
12
Diameter 44 mm
260g.
0- 5QOC
lVI > 200 cm3 at 250C
lV I> 100 cm3 between 1QOC and 4QOC
l VI > 50 cm3 between ooc and5QOC
1 Battery
1 leather
case
1 adaptor