Megger TDR500-3 Handheld Single Channel TDR

Megger TDR500-3 HANDHELD SINGLE CHANNEL TDR

The TDR500/3 is a hand held, compact Time Domain Reflectometer for locating faults on metallic cables. It has a minimum resolution of 0.1 m and a 5 km maximum range depending on velocity factor selected and cable type.

SKU: 4931

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Megger TDR500-3 HANDHELD SINGLE CHANNEL TDR

The Megger TDR500/3 is a versatile and user-friendly handheld single channel time domain reflectometer (TDR) designed for locating faults in metallic cables. With its compact design and robust functionality, it is an ideal tool for technicians who need a reliable device to diagnose and troubleshoot cable integrity in various environments.

Key Features and Functionalities

Compact and Portable: The TDR500/3 is specifically designed to be handheld, making it highly portable for field use. Its ergonomic design allows for easy handling and operation, even in challenging field conditions.

Broad Cable Compatibility: This device can be used on all metallic cable pairs, making it a versatile choice for a variety of industries, including telecommunications, power transmission, and more. It offers a minimum resolution of 0.1 meters, ensuring precise fault location, and can test cables up to a maximum range of 5 kilometers, depending on the velocity factor selected and the type of cable being tested.

Adjustable Output Impedances and Velocity Factor: The TDR500/3 features four selectable output impedances (25, 50, 75, and 100 ohms) to match the impedance of the cable being tested, which is crucial for accurate measurements. The velocity factor can be adjusted between 0.2 and 0.99, allowing for flexibility to meet any cable test requirements.

Intuitive User Interface: The unit is equipped with a simple selection option and a four-way control switch that facilitate intuitive operation. The ‘Auto selection’ feature automatically chooses the most effective testing parameters based on the cable length and type, which helps in rapid diagnosis and interpretation of the TDR trace.

Enhanced Display Features: The TDR500/3 boasts a high-resolution display enhanced with a white-light backlight and grey scale tones. This vibrant graphical display helps in clearly identifying and distinguishing key events on the TDR trace. An operator-controlled cursor allows for instant measurement of the distance to faults, and the trace ‘Hold’ feature lets you freeze the trace on the screen for detailed analysis — a feature that sets it apart from many other handheld TDRs.

Practical Applications

The TDR500/3 is not just a tool but a comprehensive solution for cable fault diagnosis. It is perfect for field technicians who require a dependable device that can quickly and accurately identify and locate faults in cable installations. Whether used in routine maintenance checks or emergency repairs, the TDR500/3 enhances the ability to ensure continuous operation of cable systems, thereby minimizing downtime and improving system reliability.

Four output impedances are available (25, 50, 75, and 100 Ω) and a velocity factor between 0.2 and 0.99 will meet any cable test requirements.

Megger TDR500-3 HANDHELD SINGLE CHANNEL TDR specifications:

  • Range: 10 m, 25 m, 100 m, 250 m, 1000 m,
    2500 m, 5000 m

    (30 ft, 75 ft, 300 ft, 750 ft, 3000 ft,

    7500 ft, 15000 ft)
  • Accuracy: ±1% of range ± pixel at 0.67 VF
    [Note – The measurement accuracy is for

    the indicated cursor position only and is

    conditional on the velocity factor being

    correct.]

  • Resolution: 1% of range
  • Input protection: This instrument complies with IEC61010-
    1 for connection to live systems up

    to 150 V CAT IV when used with the

    optional fused test lead set.

  • Output pulse: 5 volts peak to peak into open circuit.
    Pulse widths determined by range and

    cable.

  • Gain: Set for each range with three user
    selectable steps (in manual operating

    mode)
  • Velocity factor: Variable from 0.2 to 0.99 in steps of 0.01
  • TX null: Automatic
  • Power down: Automatic after 5 minutes with no key
    press


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Brand

Megger

Megger

Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.

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datasheet

Data Sheet

specifications

Specification Details
Range 10 m, 25 m, 100 m, 250 m, 1000 m, 2500 m, 5000 m (30 ft, 75 ft, 300 ft, 750 ft, 3000 ft, 7500 ft, 15000 ft)
Accuracy ±1% of range ± pixel at 0.67 VF [Accuracy is for the indicated cursor position and is conditional on the velocity factor being correct.]
Resolution 1% of range
Input Protection Complies with IEC 61010-1 for connection to live systems up to 150 V CAT IV when used with the optional fused test lead set.
Output Pulse 5 volts peak to peak into open circuit. Pulse widths determined by range and cable.
Gain Set for each range with three user-selectable steps (in manual operating mode)
Velocity Factor Variable from 0.2 to 0.99 in steps of 0.01
TX Null Automatic
Power Down Automatic after 5 minutes with no key press