Handheld Time Domain Reflectometer locates near-end faults.
December 11, 2012 -
Using launch pulses with durations as short as 2 ns, CFL510G locates near-end faults less than 1 m from point of connection in voice and data communications networks. Unit incorporates auto set-up feature, backlit display, and trace hold function. Latter allows comparisons to be readily made between cables. With user-selectable ranges from 10–5,000 m, product is designed for use on all-metallic cable pairs with impedances of 25, 50, 75, or 100 Ω and velocity factors from 0.2–0.99.
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|Original Press Release |
2621 Van Buren Ave.
Norristown, PA, 19401
Megger's New TDR Ends Near-End Problems
With Megger’s new handheld CFL510G time domain reflectometer, locating near-end faults in voice and data communications networks is no longer a problem. By using launch pulses with durations as short as 2ns, this innovative instrument can accurately determine the location of faults that are less than a metre from the point of connection.
In addition, the CFL510G incorporates an auto set-up feature that automatically determines the impedance of the cable under test and sets the instrument accordingly, and also automatically selects the optimum gain and pulse width according to the range chosen by the operator. Auto set-up makes it easy for even inexperienced users to obtain good results, and is also a big time saver for experienced users.
Despite it’s compact construction, the CFL510G incorporates a large high-resolution backlit display. This makes it easy to analyse the traces and to accurately position the cursors, two of which are provided to gives users full control and to provide instant indication of the distance between two points.
A further key benefit is a trace hold function, which allows comparisons to be readily made between cables: the trace for the first cable is held on the display, and is then overlaid by the trace for next cable tested. This invaluable comparison function is normally only available on much larger and much more costly dual-channel TDRs.
Megger’s new CFL510G time domain reflectometer is designed for use on all metallic cable pairs with impedances of 25 Ω, 50 Ω, 75 Ω or 100 Ω and velocity factors from 0.2 to 0.99. It has user selectable ranges from 10 m to 5,000 m and, in manual operating mode, the gain for each range can be set in four user-selectable steps. The instrument features rugged yet lightweight construction and an IP54 ingress protection rating. It is powered from inexpensive and readily available AA batteries.
For further information:
Peg Houck, Megger
2621 Van Buren Avenue
Norristown, PA 19403