QR500 КАБЕЛЬ

QR500 PRODUCT DESCRIPTION: (AERIAL CONSTRUCTION) SOLID ALUMINUM TUBE SWAGED ONTO DIELECTRIC CORE, FULLY BONDED COPPER CLAD CENTER CONDUCTOR MEDIUM DENSITY PE JACKET, FIGURE 8 INTEGRATED MESSENGER CENTER CONDUCTOR: COPPER CLAD ALUMINUM NOMINALDIAMETER: 0.109 (2.77 mm) DIELECTRIC: MICRO-CELLULAR FOAM PE NOMINAL DIAMETER 0.450(11.43 mm) SHIELD: SOLID ALUMINUM TUBE NOMINAL OUTER CONDUCTOR THICKNESS: 0.240 (0.64mm) JACKET: MEDIUM DENSITY PE NOMINAL JACKET DIAMETER: 0.56(14.22 mm) NOMINAL JACKET THICKNESS: 0.030 (0.76 mm) MESSENGER: NOMINAL DIAMETER OF STEEL MESSENGER: 0.109 (2.77 mm) MINIMUM BREAKING STRENGTH OF MESSENGER: 1,800 lbs. (816 kgf) MECHANICAL CHARACTERISTICS: MINIMUM BEND RADIUS STANDARD: 6.0 (15.20 cm) MINIMUM BEND RADIUS: BONDED = 3.5 (8.9 cm) MAXIMUM PULLING TENSION = 300 lbs. (136 kgf) ELECTRICAL CHARACTERISTICS: CAPACITANCE: 15.3 ± 1.0 pf/ft. (50 ±3.0 nf/km) IMPEDANCE: 75 ± 2 Ohms VELOCITY OF PROPAGATION: 87% NOMINAL NOMINAL DC LOOP RESISTANCE @ 68ºF: 1.10 Ohms/1000 ft. (3.51 Ohms/km) ATTENUATION @ 68ºF (20ºC): @ Frequency MHz dB/100ft.(Max.)dB/100meters(Max.)5 MHz0.160.5255 MHz0.541.7783 MHz0.662.17211 MHz1.093.58250 MHz1.203.94300 MHz1.314.30350 MHz1.434.69400 MHz1.534.17450 MHz1.355.02500 MHz1.735.67550 MHz1.825.97600 MHz1.916.27750 MHz2.167.09865 MHz2.347.681000 MHz2.528.27