Megger TDR1000/3P Handheld Time Domain Reflectometer

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  • Suitable for fault detection in Telecom TNV-3 and Cat IV 150V cables
  • Minimum resolution of 0.1m and maximum range of 5km
  • Automatically selects pulse and gain depending on selected range

rrp £1,000.00

now £865.00 (Ex. VAT) £1,038.00 (Inc. VAT)

rrp £1,000.00


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"Suitable for fault detection in communications and power circuits"

  • Description

    Megger TDR1000/3P Handheld Time Domain Reflectometer

    With a lightweight, compact design, the Megger TDR1000/3P Handheld Time Domain Reflectometer is a portable device that is principally used for locating faults on metal cables in Telecom TNV-3 circuits or 150V Cat IV power circuits. The minimum resolution of 0.1m/0.3ft allows precise detection of cable faults and the instrument can inspect up to 5km of wire at once depending on the cable type and measurement velocity factor so it is extremely practical.

    The user has the choice of output impedances of 25Ω, 50Ω, 75Ω and 100Ω whilst the adjustable velocity factor between 0.2 and 0.99 means that the Megger TDR1000/3P is suitable for any cable test. In particular, a 2ns pulse helps find faults near the end of cables. The trace hold function means that trace characteristics can be compared and contrasted which is a highly advanced feature for a handheld TDR.

    The Megger TDR1000/3P also has several user-friendly features. It automatically selects the correct settings according to the required range, thus saving time when taking TDR measurements. The user interface has simple dial operation and navigation buttons with two cursors which give an instant indication of the distance between two points. The bright, backlit, greyscale display gives readings in graph form so key events on the trace are very clear. There is no need for power block filtering and the user can easily toggle between metric and imperial measurements.

    An IP54 weatherproof rating certifies that the Megger TDR1000/3P can be used outdoors and it provides the user with impressive fault detection capabilities in a small, portable package that is very straightforward to operate.

    Megger part number: TDR1000/3P

    Key Features

    • Suitable for fault detection in Telecom TNV-3 or Cat IV 150V circuits
    • Minimum resolution of 0.1m
    • Maximum range of 5km
    • Choice of output impedances (25Ω, 50Ω, 75Ω and 100Ω)
    • Completely adjustable velocity factor between 0.2 and 0.99
    • 2ns pulse for fault finding near the end of cables
    • Light, portable design
    • Automatically selects correct settings depending on range
    • Bright, backlit screen with greyscale graphics display
    • Trace hold function for comparing conditions
    • Simple operation with dial and navigation buttons
    • IP54 weatherproof rating
  • Specification


    • Ranges: 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
    • Refresh rate: Trace updates 3 times per second
    • 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
    • Backlight: Stays on for 1 minute with no key press
    • Batteries: Five LR6 (AA) type batteries, Manganese alkali or nickel metal-hydride cells
    • Battery life: Up to 14 hours (Typical)
    • Mechanical: The instrument is designed for use indoors or outdoors and is rated to IP54.
    • Case dimensions: 230 mm (9 in) x 115 mm (4.5 inches) x 48 mm (2 inches)
    • Instrument weight: 0.6 kg (1.32 lbs)
    • Case material: ABS
    • Connectors: Two 4 mm-safety terminals
    • Test leads (TDR1000/3P): 0.5 metres long fitted with 500 mA FF HBC 1 kV 50 kA Fuse
    • Display: 256 x 128 pixel Graphics LCD


    • Operating temperature -15 ºC to +50 ºC (5 ºF to 122 ºF)
    • Storage temperature: -20 ºC to 70 ºC (-4 ºF to 158 ºF
    • Safety: When using the optional fused test lead set this instrument complies with IEC61010-1 for connection to live systems with less than 300 V between the terminals and up to 150 V CAT IV to earth
    • EMC: Complies with Electromagnetic Compatibility Specifications (Light industrial) BS EN 61326-1, with a minimum performance of ‘B’ for all immunity tests
  • Supplied Accessories

    • Megger TDR1000/3P Time Domain Reflectometer
    • Megger TDR1000/3P Time Domain Reflectometer instructions
    • Hard carry case
    • Fused test lead set
    • User guide CD
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