Return loss test, Ground resistance – EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual
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CableSHARK P3 User Guide
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Accuracy:
±2dB
Return Loss Test
(Plot with cursor and zoom)
Range:
0 to 60 dB
Resolution:
0.1 dB
Accuracy:
+/- 1 dB from 0 to 40 dB
Horizontal scale:
17 kHz to 2.2 MHz
Vertical scale:
0 to 60 dB
RFL
Resistive Fault Location. Detects faults such as shorts, grounds, and battery crosses.
Displays total loop resistance, resistance to fault & resistance from fault to strap and
equivalent distances.
Fault detection:
0 to 20 MΩ, resolution 3 significant digits
Loop resistance:
7 kΩ maximum
Wire gauges:
0.4, 0.5, 0.6 or 0.8 mm (19, 22, 24, 26 AWG)
Cable temperature range:
-40ºF to +140ºF (-40ºC to +60ºC)
Multiple cable sections:
5 (includes gauge and temperature setting)
Fault location:
Total resistance, near-end to fault resistance, fault to strap resistance (4 significant
digits)
Total length, distance to fault, distance from fault to strap (1 ft (3 m) resolution
Accuracy:
0.1% ±1 LSB for loop resistance of 0 to 99.99Ω
0.2% ±1 LSB for loop resistance of 100Ω - 999.99Ω
1% ± 1LSB for loop resistance of 1kΩ – 7kΩ
Ground Resistance
Detects CO voice switch line cards with constant voltage source, constant current source or grounded
balanced source.
Range:
0 to 500 Ω
Resolution:
1 Ω
Accuracy:
±3 Ω ±1% of reading