Wuhan ETERN Optoelectronics Technology Co.,Ltd. |
|
Leaky Cable for Rail Transit Signal System
Product Model | Inner Conductor | Insulation | Outer Conductor
| Outer Sheath
| |||
Material | Diameter | Material | Diameter | Material | Diameter | ||
HLRCTCY(Z)-50-32E (1-1/4”) | Smooth copper tube | 13.10mm | Physically-foamed polyethylene insulation | Punched hole copper strip landing edge longitudinal wrapped | 34.00mm | Black polyethylene or low smoke halogen-free flame retardant polyolefin | 38.00mm |
HLRHTCY(Z)-50-42E (1-5/8”) | Spiral corrugated copper tube | 17.40mm | 44.00mm | 49.00mm |
Mechanical & Environmental Properties
Product Model | Minimum Bending Radius for a Single Time | Minimum Bending Radius for Multiple Times (15 Times) | Maximum Tensile Resistance | Installation Temperature | Working Temperature |
HLRCTCY(Z)-50-32E (1-1/4”) | 400mm | 500mm | 2000N | -55℃~+85℃ | -40℃~+70℃ |
HLRHTCY(Z)-50-42E (1-5/8”) | 500mm | 700mm | 2500N |
Product Model | HLRCTCY(Z)-50-32E (1-1/4”) | HLRHTCY(Z)-50-42E (1-5/8”) | |||
1 | 2 | 1 | 2 | ||
Average Characteristic Impedance(Ω) | 50±2 | ||||
Transmission Rate | 90% | ||||
Capacitance(pF/m) | 76 | ||||
Dielectric strength(V,DC,1min) | 10000 | 15000 | |||
Minimum Insulation Resistance(MΩ·km) | 10000 | ||||
Sheath Spark Testing(V,AC,Effective Value) | 10000 | 10000 | |||
Longitudinal Attenuation dB/100m ±5%,20℃ | 800MHz | - | 2.7 | - | 2.2 |
1800MHz | 4.9 | 5.0 | 3.8 | 4.2 | |
Coupling Loss dB±5dB 95%,2m | 800MHz | - | 78 | - | 70 |
1800MHz | 72 | 72 | 68 | 68 | |
VSWR | 800~900MHz | - | ≤1.30 | - | ≤1.30 |
1780~1810MHz | ≤1.30 | ≤1.30 | ≤1.30 | ≤1.30 |