煤矿用阻燃同轴射频电缆

　产品用途：产品适用于煤矿井下无线电通讯设备和采用类似技术的电子装置的有关无线电子设备中传输射频信号。 
　　Scope of application：The product is fit for the transmission of radio frequency signals in radio equipment or in electronic equipment adopting similar technologies.
　　执行标准 Standards implemented： Q/3210HL32-2005

型号规格及尺寸范围 Model specifications and sizes application

型 号 Model	内导体(根数/直径mm) Inner conductor (core No./dia)	标称绝缘外径mm Nominal insulation outerdiameter	标称电缆外径mm Nominal cable outer diameter
MSYV-50-2-1	7/0.16	1.5	2.8
MSYV-50-2-41	1/0.68	2.2	4.0
MSYV-50-3-1	7/0.32	2.95	5.0
MSYV-50-3-41	1/0.9	2.95	5.8
MSYV-50-5-1	1/1.4	4.8	7.2
MSYV-50-5-3	1/1.4	4.8	7.2
MSYV-50-7-1	7/0.76	7.3	10.3
MSYV-50-7-2	7/0.76	7.3	10.5
MSYV-50-9-41	7/0.95	9.0	12.2
MSYV-50-12-1	7/1.15	11.5	15.0
MSYV-75-2	7/0.08	1.5	2.9
MSYV-75-3-41	7/0.17	3.0	5.0
MSYV-75-5-41	1/0.75	4.8	7.2
MSYV-75-5-42	1/0.75	4.8	7.9
MSYV-75-7-1	7/0.40	7.3	10.3
MSYV-75-7-41	7/0.40	7.3	11.0
MSYV-75-9-41	1/1.37	9.0	12.2
MSYV-75-12-2	7/0.64	11.5	15.0
MSYV-75-15-41	7/0.82	15.0	19.0
MSYV-100-7	1/0.6	7.3	10.2

　　电缆结构示意图 IIIustration of cable structure
 
　　使用特性 Service characteristics

电缆导体最高工作温度 Electric cable conductor Max. temperature	70℃
最低环境温度 Lowest ambient temperature	固定敷设为-40℃,非固定敷设为-15℃ Fixed placing-40℃,Non-fixed placing -15℃
+40℃环境相对湿度 Environment relative humidity at 40℃	≤98%
电缆的最小弯曲半径 Minimun bending radius	电缆外径的5倍(在室内);电缆外径的10倍(在室外) Cable outer diam 5 times(In room);cable outer diam 10times(In outside)

　　电缆主要技术性能 Major technical performances

型 号 Model	标称特性阻抗(Ω) characteristic impedance	衰减常数 attenuation constant		额定电容(PF/m) Rated capacitance	试验电压(KV) Test voltage	绝缘电阻 (≥MΩ·Km) Insulation resistance
		频率(MHz) frequency	衰减(≤db/m) attenuation
MSYV-50-2-1	50	200	0.45	100	2.0	5000
MSYV-50-2-41			0.31		3.0
MSYV-50-3-1			0.24		4.0
MSYV-50-3-41			0.22		4.2
MSYV-50-5-1			0.15		6.5
MSYV-50-5-3			0.15		6.5
MSYV-50-7-1			0.11		10.0
MSYV-50-7-2			0.11		10.0
MSYV-50-9-41			0.095		12.0
MSYV-50-12-1			0.080		15.0
MSYV-75-2	75		0.579	67	1.5
MSYV-75-3-41			0.28		2.0
MSYV-75-5-41			0.15		5.5
MSYV-75-5-42			0.15		5.5
MSYV-75-7-1			0.12		8.0
MSYV-75-7-41			0.12		8.0
MSYV-75-9-41			0.088		10.0
MSYV-75-12-2			0.088		12.5
MSYV-75-15-41			0.066		16.0
MSYV-100-7	100		0.147	57	5.0

　　电缆其它主要技术性能 Other major technical performances

单根垂直燃烧试验 Single wire burning test	MT386
成束燃烧试验 Group burning test	符合GB/T 18380.3标准中B类中成束试验要求 Conforms to GB/T18380.3 standard B kind group burning test