This instrument can undertake 12v car electrichorn, 24v durability test.
本仪器可进行12v、24v汽车电喇叭的耐久试验。
2
By single chip computer control of counter automatically generate tong 1 second stop 4 seconds of signal, make no. 5 relay output drive electrichorn turns electrify.
由单片计算机控制的计数器自动产生通1秒停4秒的信号，使5路继电器输出带动电喇叭轮流通电。
3
The output power is measured by horn and electric probe and the frequency is measured by a wave-guide dispersion line.