SOUND LEVEL
METER
Model : SL-4011
Your purchase of this
SOUND LEVEL METER
marks a step forward for
you into the field of
precision measurement.
Although this METER is a
complex and delicate
instrument, its durable
structure will allow many
years of use if proper
operating techniques are
developed. Please read
the following instructions
carefully and always keep
this manual within easy
reach.
OPERATION MANUAL
