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QR500 75 OHMS COAXIAL CABLE
Article No:
TEST IS EXECUTED ON THE SAMPLE DRAWN AT
RANDOM,DETAILS ARE AS FOLLOWS:
PRODUCT DESCRIPTION:
ALUMINUM TUBE, PE JACKET
CENTER CONDUCTOR: 2.77mm BARE COPPER OR CCA
DIELECTRIC: GAS EXPANDED POLYETHYLENE
OUTER CONDUCTOR: ARGON-ARC WELDING ALUMINUM TUBE
JACKET: PE
NORMINAL CENTRAL CONDUCTOR DIA. 2.77CU/CCA+/-0.02 mm
NORMINAL INSULATION DIA. 11.43FPE+/-0.30 mm
OUTER CONDUCTOR DIA. 12.70mm
NORMINAL JACKET DIA. 14.48+/-0.30 mm
NORMINAL CAPACITANCE 50+/-3 pF/m
NORMINAL IMPEDANCE 75+/-3 Ohm
VELOCITY OF PROPAGATION 88%
RETURN LOSS ≥20dB
INSULATION RESISTANCE(20 ºC) MΩ • km ≥10000
DIELECTRIC STRENGTH (CONDUCTOR TO SHIELD) ≥1.6 kV
ATTENUATION TESTED AT 68 ºF(20 ºC)
TESTED AT LENGTH 100m
 
FOR BEST ELETRICAL PERFORMANCE:
1.PRODUCTS SHOULD BE HANDLED WITH CARE.
2.STRONG ELECTROMAGENTIC FIELDS SHOULD BE AVOIDEO.
3.EXTREMELY HOT AND COLD ENVIRONMENTS SHOULD BE AVOIDED.
@  Frequency MHz dB/100ft(MAX) dB/100m(MAX)
5 0.16 0.52
30 0.4 1.31
50 0.52 1.71
55 0.54 1.77
83 0.66 2.46
211 1.09 3.58
220 1.11 3.64
250 1.2 3.94
300 1.31 4.3
350 1.43 4.69
400 1.53 5.02
450 1.63 5.35
500 1.73 5.67
550 1.82 5.97
600 1.91 6.27
750 2.16 7.09
865 2.34 7.68
1000 2.52 8.27

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