YS □系列betway必威备用网址扬声器为隔爆型电气设备。适用于石油、化 工等含有爆炸性气体的易燃易爆场所。可以和各种规格各类放 大器配套适用。硅铝合金铸造外壳，表面静电喷涂处理，不锈 钢紧固件，可以满足IIC级betway必威备用网址要求。其中YSd031型为dIIBT6 级，YSc051 型为dIICT6 级。 YS □系列betway必威备用网址扬声器有10W，15W，25W，30W四种功 率的产品供不同的要求选择，四种功率的产品又有低电频和高 电频工作型之分。体积小，声音洪亮，保真度高，外形美观，安 装和维修方便。 YS □ series of explosion-protected horn is flameproof electrical device. It can be used in petroleum and chemical as well as other explosive gas area. It is used with various amplifier. Enclosure is made of Si-Aluminum alloy with electrostatic plastic-sprayed surface, stainless steel tight-plated. It can meet the requirement of IIC degree. The YSd031 type is dIIBT6 and YSc051 type is dIICT6. YS□ series of explosion-protected horn has different power of 10w, 15w, 25w, and 30w to meet different requirements. It has high frequency type and low frequency type. Small volume,loud voice,high fidelity,pleasant outlooking and convenient installation.