HANGZHOU TANGYI INDUSTRIAL CO.,LTD

Aluminum tube electric cable

SYWLY-75 Construction and Dimensions
SYWVLY-75		'-7	'-9(412)	'-12(500)	-13(Qr540)
Inner conductor mm		1.66±0.02	2.15±0.02	2.77±0.02	3.15±0.02
Insulator mm		7.25±0.20	9.00±0.20	11.50±0.20	13.03±0.02
External diameter of cable mm		10.30±0.30	12.30±0.30	15.00±0.40	15.50±0.30
Packing requirement	wood roll	500m/1000m	500m/1000m	500m/1000m	500m/1000m

SYWLY-75 Consrtuction Electricial Perfomance
SYWLY-75		'-7	'-9(412)	'-12(500)	-13(Qr540)
Insulation resistance MΩ·km		20000	20000	20000	20000
Dielectrength of cable core)KV		1.6	1.6	1.6	1.6
Dielectric strength of sheath(KV)		4	6	6	6
Capacitance pF/m		52	52	52	52
Characteristic impedance Ω		75.0±2.0	75.0±2.0	75.0±2.0	75.0±2.0
Return loss (DB)min	VHF	23	23	23	23
	UHF	20	20	20	20
Attenuation constant dB/100m max	50MHZ	2.73	2.20	1.60	1.39
	200MHZ	5.50	4.30	3.40	2.90
	300MHZ	6.86	5.10	4.15	3.65
	450MHZ	8.50	6.60	5.17	4.60
	550MHZ	9.50	7.50	6.01	5.08
	750MHZ	11.20	8.82	6.90	6.10
	800MHZ	11.70	8.90	7.00	6.28
	860MHZ	12.60	9.83	7.60	6.77
	1000MHZ	13.20	10.30	8.00	7.20