Hljóðamælir 3 stig

Hljóðamælir mælir hávaðastig í skólastofunni, hægt að stilla á nokkra vegu. Einnig er hægt að hengja mælirinn upp á segultöflu.

Enables selection of acceptable noise levels within
classrooms, using the traffic light system. As noise
levels increase, lights change from green to yellow
then red with or without sound. Noise becomes
visible for all children.
An adjustable sound level meter controls the decibel
level. Table mount or wall brackets included.
Due to the rechareable battery pack you are independent
from cabling. The LED signal lights with
a durability of about 100,000 power-on hours are
ready for use at any place and any time. Thanks
to rechargeable batteries (included) a continuous
operation of 6 hours is possible.
Dimensions (H x W x D): 14.5 x 47 x 6.5 cm