BRUEL & KJAER 2203 Instructions And Applications

METER SCALE
The upper scale is calibrated in dB from -1 0 to + 1 0 dB for the read-
ing
of sound pressure level or vibration level. The lower scale (red) is
calibrated for the Microphone K-factor which takes into account various
microphone sensitivities . Two red marks below the K scale give the
range for "good" battery condition indication.
METER MECHANICAL ZERO ADJUSTMENT
Is adjusted with the instrument turned off to give a meter deflection
on the- co mark of the METER SCALE.
POWER ON FLASHER
This lamp flashes when the instrument is on.
METER
LIGHT SWITCH
This momentary contact switch provides meter scale illumination
while pressed in.
METER
SWITCH
This 11 position switch serves as the main power switch, weighting
network, meter damping, and external filter selector .
"Pull On"
"Batt."
"Fast"
"Slow"
10
The METER SWITCH is pulled out to turn the instru-
ment on. Warm-up time is about 20 s.
Battery check position. Meter deflection below the
red area marked "Battery" indicates batteries must
be replaced (See Section 3.1 ).
Selects the Fast meter damping (according to IEC
1 79 .... See Introduction) for the five functions on
the left side of the knob.
Selects the Slow meter damping (according to IEC

BRUEL & KJAER 2203 Specifications

General

Brand	BRUEL & KJAER
Model	2203
Category	Measuring Instruments
Language	English