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Megger TDR2050 Advanced Dual Channel Time Domain Reflectometer

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  • Cat IV 600V safety rating allows fault finding on live power cables
  • Intuitive operation thanks to navigation buttons and soft keys
  • Step TDR and distance dependent gain enhance accuracy of traces

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"A vast array of advanced features leads to incredibly accurate fault-finding in cables"

  • Description

    Megger TDR2050 Advanced Dual Channel Time Domain Reflectometer

    As the most advanced device in the Megger TDR20XX range, the Megger TDR2050 Advanced Dual Channel Time Domain Reflectometer features excellent measurement and data display technology as well as other sophisticated features. It is primarily designed for locating faults on paired metal cables in power circuits up to 600V. With a minimum resolution of 0.1m and a maximum range of 20km, the device has both breadth and precision whilst adjustable output impedances (25, 50, 75, 100, 125Ω) and velocity factor (0.2 to 0.99) further enhance user choice.

    The Megger TDR2050 auto-selects the most appropriate settings depending on range but there is a manual override for fine-tuning or specific adjustments. The navigation buttons and soft keys make the instrument very intuitive to use whilst dual cursors instantly show the distance between two points. The AutoFind feature automatically adjusts range and gain before finding the major events in a trace. Once again, manual override is available.

    All results are shown in graph form on the customisable, colour, LCD screen which also offers trace comparison. Up to 100 tagged traces can be stored in the internal memory and recalled to the screen at any time. The Megger TDR2050 comes supplied with TraceXpert software which helps download data to a computer via USB and process that data afterwards.

    The Megger TDR2050 is safety rated as Cat IV up to 600V so it can connect to potentially live circuits, thereby increasing range and versatility. Furthermore, the Step TDR function negates the Dead Zone effect which hides faults near the end of circuits. Another useful measurement feature unique to the TDR2050 is the distance dependent gain which compensates for diminished signal attenuation over long distances by gradually increasing the gain and therefore creates a more representative trace. Finally the FindEnd option can use TDR to locate the end of an object cable which is great way of quickly measuring cable length.

    Therefore, the Megger TDR2050 constitutes a highly versatile time domain reflectometer thanks to its adjustable settings and ability to connect to potentially live circuits. The state-of-the-art measurement features ensure accuracy whilst the colour screen and TraceXpert software allow useful, usable analysis of all the readings to accurately locate problems in cables.

    Megger part number: 1005-021

    Key Features

    • Suitable for power cables up to 600V (Cat IV rated up to 600V)
    • Minimum resolution: 0.1m / Maximum range: 20km
    • Adjustable impedance output and velocity factor
    • Auto-selection of settings (with manual override)
    • Easy navigation via direction buttons and soft keys
    • Dual cursors immediately highlight distance between two spots
    • AutoFind function adjusts range and gain before identifying first major event in trace
    • Internal memory for 100 traces with condition tags
    • TraceXpert software supplied as standard
    • USB data transfer to computer
    • Step TDR function negates ‘Dead Zone’ at the end of cables
    • Distance dependent gain creates true trace over long wires
    • FindEnd function locates end of cable under test and allows speedy measurement of cable length
    • Suitable for outdoor use thanks to IP54 weatherproof rating
    • 12-hour battery life
  • Specification

    Except where otherwise stated, this specification applies at an ambient temperature of 20°C

    GENERAL
    Range (m; ft; ns)
    Up to 20000 m with a minimum resolution of 0.1 m

    • 10; 30; 125
    • 25; 80; 250
    • 50; 160; 500
    • 100; 320; 100
    • 250; 800; 2500
    • 500; 1600; 5000
    • 1000; 3200; 10000
    • 2500; 8000; 25000
    • 5000; 16000; 50000
    • 10000; 32500; 100000
    • 20000; 65000; 200000
    • Accuracy ±1% of range ±1 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 to protect the user in the event of connection to live systems. TDR2050 is rated at 600 V CAT IV whilst all other models are rated at 150 V CAT IV. TDR2050 is specifically designed to allow use on energised systems up to the rated voltage. All other models are designed for use on de-energised systems and fused leads must be used if the potential voltage between terminals could exceed 300 V
    • Output pulse: Up to 20 volts peak to peak into open circuit. Pulse widths determined by range, cable and model used.
    • Gain Set for each range with user selectable steps (in Manual operating mode)
    • Velocity factor: Variable from 0.2 to 0.99 in steps of 0.01
    • TX null: Automatic
    • Trace Tagging - 32 characters chosen from upper case letters including accents
    • Colour schemes - Default, Outdoor, Custom
    • Step TDR - Eliminates the Dead Zone effect.
    • DDG - Available in ranges 1000m and above in 0.5 dB steps
    • Cable Impedance - 25, 50, 75, 100, 125, 140 ohm + AUTO
    • Power down: User programmable auto power off timer 1, 5, 10 mins or never
    • Battery: Li-ion rechargeable battery
    • Battery charge time: 6 hours at 0 °C to 40 °C
    • Battery life: 12 hours typical
    • Safety: These instruments comply with IEC61010-1 for connections to live systems up to 150 V CAT IV or 300 V CAT III (TDR2000/3 and 2010 only). TDR2050 is rated at 600 V CAT IV. Fused leads must be used if the voltage between terminals exceeds 300 V. Compliant with EN60950-1, EN61010-1, UN38.3 and EN62133.
    • EMC: Complies with Electromagnetic Compatibility Specifications (Light industrial) BS EN 61326-1, with a minimum performance of ‘B’ for all immunity tests.

    MECHANICAL

    • IP rating: The instrument is designed for use indoors or outdoors and is rated to IP54.
    • Case: ABS
    • Dimensions: 290 mm (11.4 in) x 190 mm (7.5 inches) x 55 mm (2.2 inches)
    • Weight: 1.7kg (3.8lbs)
    • Connectors: Four 4mm-safety terminals. Other standard push on adapters will fit.
    • Test lead: 2 pairs 1.5 meters long retractable sheath leads
    • Display: 800 x 480 pixel colour graphics LCD, viewable in external environments.
    • Selectable colour schemes: 8
    • Backlight: Permanent backlight with all colour schemes (adjustable brightness)

    ENVIRONMENTAL

    • Operating temperature range and humidity: -15 °C to +50 °C (5 °F to 122 °F)
    • Storage temperature range and humidity: -20 °C to 70 °C (-4 °F to 158 °F)
  • Supplied Accessories

    • Megger TDR2050 Advanced Dual Channel Time Domain Reflectometer
    • Split conductor dual fused test lead set (2 pairs)
    • Download kit
    • Carry case
    • AC/DC charger
    • User guide CD
    • Instruction Manual
    • Retractable sheath fused test lead (1 pair)
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