Connector and Cable Assembly Supplier

Megger Handheld TDR for Mixed Paired Metallic Cables

The new Megger handheld TDR locates faults up to 12 miles on mixed paired metallic cables.

Megger CFL535G Handheld TDRMegger now offers a handheld time domain reflectometer (TDR) that locates faults on mixed paired metallic cables. The CFL535G can test the capabilities of connections and locate faults for up to 12 miles (20 km).

This high-resolution, compact TDR features dual-channel capability and dual-aspect display. Megger’s CFL535G allows technicians to compare cable pairs to each other and determine if one is faulty, based on differences shown on the TDR.

Ideal for use by telecommunications technicians, electrical service contractors, and cable television companies on all metallic pairs including twisted pair copper, concentric, or coax cables, this new handheld unit is used during cable installations. The CFL535G establishes a benchmark for future comparison, measures cable length, locates and evaluates splices and joints, and detects cable taps.

The cost-effective CFL535G features an ultra-fast 2 ns pulse width that nearly eliminates dead zones and provides a real-time trace for tested cables giving quick and accurate results. It also offers two inputs that enable simultaneous measurements of two different cables.

An auto set-up mode for instant use is incorporated into the TDR. This feature helps determine the impedance of the cable under test, sets the instrument accordingly, and selects the optimum gain and pulse width chosen by the operator.

The CFL535G features Megger’s Xpert mode. This unique mode allows for rapid identification of faults by simply pressing the Xpert key. The unit then automatically adjusts the range and gain, while positioning the cursor to the first major fault on the cable. By pressing the Xpert key a second time, the TDR then moves to the next detected disturbance.

The unit’s trace hold and overlay feature is used for comparison between cables for both live and saved traces. A large, color, high-resolution, fully adjustable backlit display comes standard on the CFL535G, making it easy to analyze the traces and accurately position the cursor. The unit also features ‘bed of nails’ test leads. These reliable contact leads allow for quick and simultaneous contact with hundreds of individual test points within the circuitry of a DUT.

The CFL535G features five output impedances: 25 Ohm, 50 Ohm, 75 Ohm, 100 Ohm, and 120 Ohm, and a velocity factor between 0.2 and 0.99 in steps of 0.01. The rugged, IP54-rated TDR is powered by a long life (12-hour real-world usage), rechargeable Li-Ion battery, and has an operating temperature of -15°C to +50°C.

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