Mô tả
Thông số kỹ thuật:
– Operating voltage : 9 – 30 VDC.
– Sound level for continuous tone (No. 14) at 1 m : 105 dB(A).
– Current consumption : 18 mA.
– Frequency range : 500-4000 Hz.
– Tones : 28.
– Sound intensity regulation : Trimmer.
– Operating temperature : -25… +80 °C.
– Weight : 0.205 kg.
