WisdomAugust
Publish time 2023-2-1 08:19:11
BNC Connector (female to dual-site of twisted pair cable)
WisdomAugust
Publish time 2023-2-3 08:37:50
We will measure the length of the two cables separately.
BNC extension cord
WisdomAugust
Publish time 2023-2-6 08:07:38
0.75 square 300V/500V wire
sophiehandrix
Publish time 2023-2-6 20:13:02
For all control cable manufacturers this device is very helpful. Because it helps them to measure the length of cable to provide 100% authentic cable to their customers. I will tell about this device to my cable manufacturers friends, this device will definitely help them.
WisdomAugust
Publish time 2023-2-7 08:12:24
Experimental proceduresMeasure the length of the BNC extension cord1 Connect the TDR pulse generator and the BNC adapter as follows
WisdomAugust
Publish time 2023-2-8 08:30:32
2 Connect the TDR pulse generator to the oscilloscope and insert the to-be-tested BNC extension cord into the BNC tee adapter as below. Turn on the oscilloscope and 5V DC power supply.
WisdomAugust
Publish time 2023-2-9 08:35:58
Use the oscilloscope’s cursor to measure the time difference between the transmitted signal and the reflected signal.
WisdomAugust
Publish time 2023-3-1 08:29:17
As the above screenshot shows, the time difference between the transmitted signal and the the reflected signal is 16 nanoseconds, which is calculated by using the formula:
The calculated cable length is 1.51 meters, and the actual length of the tested cable is 1.5 meters.
WisdomAugust
Publish time 2023-3-2 08:10:54
Measure the length of 0.75 square wire 1 Change a connector to measure the length of the 0.75 square wire.
WisdomAugust
Publish time 2023-3-3 08:34:24