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Megger TDR 1000/3 Time Domain Reflectometer (Cable Fault Finder)

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Megger's TDR 1000/3 can accurately trace faults on metallic cables across a wide distance.

Handheld and portable for use in the field, the TDR 1000/3 is capable of locating faults at a distance of up to 15000ft (depending on the selected velocity factor the type of cable under test). Multiple output impedance (25, 50, 75 and 100Ω) can all be selected and velocity factor can be adjusted from 0.2 to 0.99 to cater for different cable types.

The TDR 1000/3 comes with a dedicated AUTO function. This mode automatically selects the most effective parameters depending on the range required, ensuring diagnosis is as fast and efficient as possible. Dual cursors also allow the user to accurately designate the distance between two points for maximum control.

Additional functions of this unit include a backlit, monochorme LCD screen with adjustable contrast, excellent resolution to 0.1m and selectable measurement units (distance in metres/feet).

Megger TDR 1000/3 Time Domain Reflectometer Key Features

  • Compatible with Telecom TNV-3 circuit or 150V CAT IV power circuits
  • Backlit monochrome LCD screen 9256 x 128 pixels)
  • Adjustable display contrast
  • Resolution to 0.1m
  • Doesn't require the use of power blocking filters
  • IP54 for protection against dust and water damage
  • Automatically selected output impedance - options are 25, 50, 75 and 100Ω
  • 2ns pulse for near-end fault location
  • AUTO option - automatically selects gain and pulse for each range
  • Choose your measurement unit - switch between metres and feet
  • Powered by 5 x AA batteries

What's Included?

  • Megger TDR 1000/3 Time Domain Reflectometer
  • Hard Carrying Case
  • Miniature Clip Test Lead Set
  • User Guide on CD
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Part Code1001-788

Megger TDR 1000/3 Technical Specifications

Ranges 10m, 25m, 100m, 250m, 1000m, 2500m, 5000m,
30ft, 75ft, 300ft, 750ft, 3000ft, 7500ft, 15000ft)
Accuracy ±1% of range ± pixel at 0.67VF
(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 150V 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 5 x LR6 (AA) batteries, manganese alkali or nickel metal-hydride cells
Case Dimensions 230mm x 115mm x 48mm (9 x 4.5 x 2")
Instrument Weight 0.6kg (1.32lbs)
Case Material ABS
Connectors 2 x 4mm safety terminals
Test Leads 2m consisting of 2 x 4mm shrouded connectors to miniature crocodile clips
Display 256 x 128 pixel graphical LCD
Operating Temperature -15 to +50°C (5 to 122°F)
Storage Temperature -20 to +70°C (-4 to 158°F)
Safety When using the optional fused test lead set this instrument complies with IEC61010-1 for connection to live systems with less than 300V between the terminals and up to 150V CAT IV to earth
EMC BSEN61326-1 Emission Class A; Immunity Table 2; Industrial
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