High Precision OTDR Tester Optical Time Domain Reflectometer FF980PRO

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http://youtube.com/watch?v=uN6ACydNK4c

Another video in my Aviation series. The TDR is a very useful tool for troubleshooting wiring issues. This tool can tell you what is wrong with a wire, and where the problem is down to the inch. A much need watch video for anyone who troubleshoots Aircraft, Computer Networks, Coax cables or automobiles. • Click below to fast forward: • 0:40 What is a TDR? • 1:05 How does a TDR work? • 1:57 Test lead error • 2:14 Dead zone errors • 3:04 Velocity factor explained • 4:34 Sampling a cable for velocity factor • 5:14 Using TDR's when velocity factor is unknown • 6:43 Impedance explained • 10:17 Impedance scale on the TDR • 10:50 Reading TDR traces • 11:50 Proper test lead hookup • 13:14 External factors that affect your TDR trace • 14:31 Sample screen shots of TDR traces • 15:17 Coax display after pinching the shield • 17:00 Intermittent fault detection • 17:19 TDR into an LRU • 17:40 Noise on a TDR trace • 18:00 Purchasing a TDR

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